UPDATE: Update howto, fix bug bytes humman format

FIX: Fix bug version parse
FIX: Fix bug hdiff
2025-10-04 20:30:51 +07:00 · 2025-09-26 10:06:49 +07:00 · 2025-09-09 08:47:16 +07:00 · 2025-08-29 21:13:10 +07:00 · 2025-08-27 08:27:02 +07:00 · 2025-08-26 09:58:30 +07:00
68 changed files with 2440 additions and 1223 deletions
--- a/.gitignore
+++ b/.gitignore
@@ -3,6 +3,7 @@ bin
 tests/
 server/
 proxy/
+proto/
 temp/
 frontend/dist
 frontend/node_modules
--- a/7
+++ b/7
@@ -0,0 +1,7 @@
+PROTO_SRC=./proto
+GEN_DEST=./pkg
+
+build_proto:
+	@echo Compiling Protobuf files...
+	protoc --go_out=${GEN_DEST} --go-grpc_out=${GEN_DEST} ${PROTO_SRC}/*.proto
+	@echo Done!
--- a/assets/7zip/7za.dll
+++ b/assets/7zip/7za.dll
--- a/assets/7zip/7za.exe
+++ b/assets/7zip/7za.exe
--- a/assets/7zip/7zxa.dll
+++ b/assets/7zip/7zxa.dll
--- a/assets/HDiffPatch/hdiffz.exe
+++ b/assets/HDiffPatch/hdiffz.exe
--- a/assets/HDiffPatch/hpatchz.exe
+++ b/assets/HDiffPatch/hpatchz.exe
--- a/assets/hpatchz.exe
+++ b/assets/hpatchz.exe
--- a/frontend/bindings/firefly-launcher/internal/app-service/appservice.js
+++ b/frontend/bindings/firefly-launcher/internal/app-service/appservice.js
@@ -0,0 +1,22 @@
+// @ts-check
+// Cynhyrchwyd y ffeil hon yn awtomatig. PEIDIWCH Â MODIWL
+// This file is automatically generated. DO NOT EDIT
+
+// eslint-disable-next-line @typescript-eslint/ban-ts-comment
+// @ts-ignore: Unused imports
+import { Call as $Call, CancellablePromise as $CancellablePromise, Create as $Create } from "@wailsio/runtime";
+
+/**
+ * @param {number} timeout
+ * @returns {$CancellablePromise<[boolean, string]>}
+ */
+export function CloseAppAfterTimeout(timeout) {
+    return $Call.ByID(1705931481, timeout);
+}
+
+/**
+ * @returns {$CancellablePromise<[boolean, string]>}
+ */
+export function GetCurrentLauncherVersion() {
+    return $Call.ByID(3575133982);
+}
--- a/frontend/bindings/firefly-launcher/internal/app-service/index.js
+++ b/frontend/bindings/firefly-launcher/internal/app-service/index.js
@@ -0,0 +1,8 @@
+// @ts-check
+// Cynhyrchwyd y ffeil hon yn awtomatig. PEIDIWCH Â MODIWL
+// This file is automatically generated. DO NOT EDIT
+
+import * as AppService from "./appservice.js";
+export {
+    AppService
+};
--- a/frontend/bindings/firefly-launcher/internal/appservice.js
+++ b/frontend/bindings/firefly-launcher/internal/appservice.js
@@ -1,24 +0,0 @@
-// @ts-check
-// Cynhyrchwyd y ffeil hon yn awtomatig. PEIDIWCH Â MODIWL
-// This file is automatically generated. DO NOT EDIT
-
-// eslint-disable-next-line @typescript-eslint/ban-ts-comment
-// @ts-ignore: Unused imports
-import {Call as $Call, Create as $Create} from "@wailsio/runtime";
-
-/**
- * @param {number} timeout
- * @returns {Promise<[boolean, string]> & { cancel(): void }}
- */
-export function CloseAppAfterTimeout(timeout) {
-    let $resultPromise = /** @type {any} */($Call.ByID(982751559, timeout));
-    return $resultPromise;
-}
-
-/**
- * @returns {Promise<[boolean, string]> & { cancel(): void }}
- */
-export function GetCurrentLauncherVersion() {
-    let $resultPromise = /** @type {any} */($Call.ByID(2542090372));
-    return $resultPromise;
-}
--- a/frontend/bindings/firefly-launcher/internal/diff-service/diffservice.js
+++ b/frontend/bindings/firefly-launcher/internal/diff-service/diffservice.js
@@ -0,0 +1,65 @@
+// @ts-check
+// Cynhyrchwyd y ffeil hon yn awtomatig. PEIDIWCH Â MODIWL
+// This file is automatically generated. DO NOT EDIT
+
+// eslint-disable-next-line @typescript-eslint/ban-ts-comment
+// @ts-ignore: Unused imports
+import { Call as $Call, CancellablePromise as $CancellablePromise, Create as $Create } from "@wailsio/runtime";
+
+/**
+ * @param {string} patchPath
+ * @returns {$CancellablePromise<[boolean, string, string]>}
+ */
+export function CheckTypeHDiff(patchPath) {
+    return $Call.ByID(3717449114, patchPath);
+}
+
+/**
+ * @param {string} gamePath
+ * @returns {$CancellablePromise<[boolean, string]>}
+ */
+export function CutData(gamePath) {
+    return $Call.ByID(2019290107, gamePath);
+}
+
+/**
+ * @param {string} gamePath
+ * @param {string} patchPath
+ * @returns {$CancellablePromise<[boolean, string]>}
+ */
+export function DataExtract(gamePath, patchPath) {
+    return $Call.ByID(2161622254, gamePath, patchPath);
+}
+
+/**
+ * @param {string} gamePath
+ * @returns {$CancellablePromise<[boolean, string]>}
+ */
+export function DeleteFiles(gamePath) {
+    return $Call.ByID(1103091613, gamePath);
+}
+
+/**
+ * @param {string} gamePath
+ * @returns {$CancellablePromise<[boolean, string]>}
+ */
+export function HDiffPatchData(gamePath) {
+    return $Call.ByID(3944051994, gamePath);
+}
+
+/**
+ * @param {string} gamePath
+ * @returns {$CancellablePromise<[boolean, string]>}
+ */
+export function LDiffPatchData(gamePath) {
+    return $Call.ByID(360123238, gamePath);
+}
+
+/**
+ * @param {string} gamePath
+ * @param {string} patchPath
+ * @returns {$CancellablePromise<[boolean, string]>}
+ */
+export function VersionValidate(gamePath, patchPath) {
+    return $Call.ByID(2105077257, gamePath, patchPath);
+}
--- a/frontend/bindings/firefly-launcher/internal/diff-service/index.js
+++ b/frontend/bindings/firefly-launcher/internal/diff-service/index.js
@@ -0,0 +1,8 @@
+// @ts-check
+// Cynhyrchwyd y ffeil hon yn awtomatig. PEIDIWCH Â MODIWL
+// This file is automatically generated. DO NOT EDIT
+
+import * as DiffService from "./diffservice.js";
+export {
+    DiffService
+};
--- a/frontend/bindings/firefly-launcher/internal/fs-service/fsservice.js
+++ b/frontend/bindings/firefly-launcher/internal/fs-service/fsservice.js
@@ -0,0 +1,71 @@
+// @ts-check
+// Cynhyrchwyd y ffeil hon yn awtomatig. PEIDIWCH Â MODIWL
+// This file is automatically generated. DO NOT EDIT
+
+// eslint-disable-next-line @typescript-eslint/ban-ts-comment
+// @ts-ignore: Unused imports
+import { Call as $Call, CancellablePromise as $CancellablePromise, Create as $Create } from "@wailsio/runtime";
+
+/**
+ * @param {string} path
+ * @returns {$CancellablePromise<boolean>}
+ */
+export function DirExists(path) {
+    return $Call.ByID(1772289644, path);
+}
+
+/**
+ * @param {string} path
+ * @returns {$CancellablePromise<boolean>}
+ */
+export function FileExists(path) {
+    return $Call.ByID(1782610747, path);
+}
+
+/**
+ * @param {string} archivePath
+ * @param {string} fileInside
+ * @returns {$CancellablePromise<[boolean, string]>}
+ */
+export function FileExistsInZip(archivePath, fileInside) {
+    return $Call.ByID(2509699047, archivePath, fileInside);
+}
+
+/**
+ * @param {string} path
+ * @returns {$CancellablePromise<[boolean, string]>}
+ */
+export function OpenFolder(path) {
+    return $Call.ByID(1635714001, path);
+}
+
+/**
+ * @param {string} filter
+ * @returns {$CancellablePromise<string>}
+ */
+export function PickFile(filter) {
+    return $Call.ByID(3756474934, filter);
+}
+
+/**
+ * @returns {$CancellablePromise<string>}
+ */
+export function PickFolder() {
+    return $Call.ByID(3654471460);
+}
+
+/**
+ * @param {string} path
+ * @returns {$CancellablePromise<boolean>}
+ */
+export function StartApp(path) {
+    return $Call.ByID(1267568402, path);
+}
+
+/**
+ * @param {string} path
+ * @returns {$CancellablePromise<boolean>}
+ */
+export function StartWithConsole(path) {
+    return $Call.ByID(3249271428, path);
+}
--- a/frontend/bindings/firefly-launcher/internal/fs-service/index.js
+++ b/frontend/bindings/firefly-launcher/internal/fs-service/index.js
@@ -0,0 +1,8 @@
+// @ts-check
+// Cynhyrchwyd y ffeil hon yn awtomatig. PEIDIWCH Â MODIWL
+// This file is automatically generated. DO NOT EDIT
+
+import * as FSService from "./fsservice.js";
+export {
+    FSService
+};
--- a/frontend/bindings/firefly-launcher/internal/fsservice.js
+++ b/frontend/bindings/firefly-launcher/internal/fsservice.js
@@ -1,78 +0,0 @@
-// @ts-check
-// Cynhyrchwyd y ffeil hon yn awtomatig. PEIDIWCH Â MODIWL
-// This file is automatically generated. DO NOT EDIT
-
-// eslint-disable-next-line @typescript-eslint/ban-ts-comment
-// @ts-ignore: Unused imports
-import {Call as $Call, Create as $Create} from "@wailsio/runtime";
-
-/**
- * @param {string} path
- * @returns {Promise<boolean> & { cancel(): void }}
- */
-export function DirExists(path) {
-    let $resultPromise = /** @type {any} */($Call.ByID(1291974398, path));
-    return $resultPromise;
-}
-
-/**
- * @param {string} path
- * @returns {Promise<boolean> & { cancel(): void }}
- */
-export function FileExists(path) {
-    let $resultPromise = /** @type {any} */($Call.ByID(3373618865, path));
-    return $resultPromise;
-}
-
-/**
- * @param {string} archivePath
- * @param {string} fileInside
- * @returns {Promise<[boolean, string]> & { cancel(): void }}
- */
-export function FileExistsInZip(archivePath, fileInside) {
-    let $resultPromise = /** @type {any} */($Call.ByID(1737012553, archivePath, fileInside));
-    return $resultPromise;
-}
-
-/**
- * @param {string} path
- * @returns {Promise<[boolean, string]> & { cancel(): void }}
- */
-export function OpenFolder(path) {
-    let $resultPromise = /** @type {any} */($Call.ByID(2733319263, path));
-    return $resultPromise;
-}
-
-/**
- * @returns {Promise<string> & { cancel(): void }}
- */
-export function PickFile() {
-    let $resultPromise = /** @type {any} */($Call.ByID(2181012076));
-    return $resultPromise;
-}
-
-/**
- * @returns {Promise<string> & { cancel(): void }}
- */
-export function PickFolder() {
-    let $resultPromise = /** @type {any} */($Call.ByID(3906046322));
-    return $resultPromise;
-}
-
-/**
- * @param {string} path
- * @returns {Promise<boolean> & { cancel(): void }}
- */
-export function StartApp(path) {
-    let $resultPromise = /** @type {any} */($Call.ByID(3825990132, path));
-    return $resultPromise;
-}
-
-/**
- * @param {string} path
- * @returns {Promise<boolean> & { cancel(): void }}
- */
-export function StartWithConsole(path) {
-    let $resultPromise = /** @type {any} */($Call.ByID(2364569062, path));
-    return $resultPromise;
-}
--- a/frontend/bindings/firefly-launcher/internal/git-service/gitservice.js
+++ b/frontend/bindings/firefly-launcher/internal/git-service/gitservice.js
@@ -0,0 +1,66 @@
+// @ts-check
+// Cynhyrchwyd y ffeil hon yn awtomatig. PEIDIWCH Â MODIWL
+// This file is automatically generated. DO NOT EDIT
+
+// eslint-disable-next-line @typescript-eslint/ban-ts-comment
+// @ts-ignore: Unused imports
+import { Call as $Call, CancellablePromise as $CancellablePromise, Create as $Create } from "@wailsio/runtime";
+
+/**
+ * @param {string} version
+ * @returns {$CancellablePromise<[boolean, string]>}
+ */
+export function DownloadProxyProgress(version) {
+    return $Call.ByID(3559275334, version);
+}
+
+/**
+ * @param {string} version
+ * @returns {$CancellablePromise<[boolean, string]>}
+ */
+export function DownloadServerProgress(version) {
+    return $Call.ByID(1954767259, version);
+}
+
+/**
+ * @returns {$CancellablePromise<[boolean, string, string]>}
+ */
+export function GetLatestLauncherVersion() {
+    return $Call.ByID(262637602);
+}
+
+/**
+ * @returns {$CancellablePromise<[boolean, string, string]>}
+ */
+export function GetLatestProxyVersion() {
+    return $Call.ByID(289488362);
+}
+
+/**
+ * @returns {$CancellablePromise<[boolean, string, string]>}
+ */
+export function GetLatestServerVersion() {
+    return $Call.ByID(2918980975);
+}
+
+/**
+ * @returns {$CancellablePromise<void>}
+ */
+export function UnzipProxy() {
+    return $Call.ByID(2563246729);
+}
+
+/**
+ * @returns {$CancellablePromise<void>}
+ */
+export function UnzipServer() {
+    return $Call.ByID(1126363284);
+}
+
+/**
+ * @param {string} version
+ * @returns {$CancellablePromise<[boolean, string]>}
+ */
+export function UpdateLauncherProgress(version) {
+    return $Call.ByID(97272861, version);
+}
--- a/frontend/bindings/firefly-launcher/internal/git-service/index.js
+++ b/frontend/bindings/firefly-launcher/internal/git-service/index.js
@@ -0,0 +1,8 @@
+// @ts-check
+// Cynhyrchwyd y ffeil hon yn awtomatig. PEIDIWCH Â MODIWL
+// This file is automatically generated. DO NOT EDIT
+
+import * as GitService from "./gitservice.js";
+export {
+    GitService
+};
--- a/frontend/bindings/firefly-launcher/internal/gitservice.js
+++ b/frontend/bindings/firefly-launcher/internal/gitservice.js
@@ -1,74 +0,0 @@
-// @ts-check
-// Cynhyrchwyd y ffeil hon yn awtomatig. PEIDIWCH Â MODIWL
-// This file is automatically generated. DO NOT EDIT
-
-// eslint-disable-next-line @typescript-eslint/ban-ts-comment
-// @ts-ignore: Unused imports
-import {Call as $Call, Create as $Create} from "@wailsio/runtime";
-
-/**
- * @param {string} version
- * @returns {Promise<[boolean, string]> & { cancel(): void }}
- */
-export function DownloadProxyProgress(version) {
-    let $resultPromise = /** @type {any} */($Call.ByID(1951249093, version));
-    return $resultPromise;
-}
-
-/**
- * @param {string} version
- * @returns {Promise<[boolean, string]> & { cancel(): void }}
- */
-export function DownloadServerProgress(version) {
-    let $resultPromise = /** @type {any} */($Call.ByID(314135954, version));
-    return $resultPromise;
-}
-
-/**
- * @returns {Promise<[boolean, string, string]> & { cancel(): void }}
- */
-export function GetLatestLauncherVersion() {
-    let $resultPromise = /** @type {any} */($Call.ByID(3191972855));
-    return $resultPromise;
-}
-
-/**
- * @returns {Promise<[boolean, string, string]> & { cancel(): void }}
- */
-export function GetLatestProxyVersion() {
-    let $resultPromise = /** @type {any} */($Call.ByID(1462362449));
-    return $resultPromise;
-}
-
-/**
- * @returns {Promise<[boolean, string, string]> & { cancel(): void }}
- */
-export function GetLatestServerVersion() {
-    let $resultPromise = /** @type {any} */($Call.ByID(1447982978));
-    return $resultPromise;
-}
-
-/**
- * @returns {Promise<void> & { cancel(): void }}
- */
-export function UnzipProxy() {
-    let $resultPromise = /** @type {any} */($Call.ByID(4071181044));
-    return $resultPromise;
-}
-
-/**
- * @returns {Promise<void> & { cancel(): void }}
- */
-export function UnzipServer() {
-    let $resultPromise = /** @type {any} */($Call.ByID(4110296071));
-    return $resultPromise;
-}
-
-/**
- * @param {string} version
- * @returns {Promise<[boolean, string]> & { cancel(): void }}
- */
-export function UpdateLauncherProgress(version) {
-    let $resultPromise = /** @type {any} */($Call.ByID(2648938152, version));
-    return $resultPromise;
-}
--- a/frontend/bindings/firefly-launcher/internal/hdiffzservice.js
+++ b/frontend/bindings/firefly-launcher/internal/hdiffzservice.js
@@ -1,64 +0,0 @@
-// @ts-check
-// Cynhyrchwyd y ffeil hon yn awtomatig. PEIDIWCH Â MODIWL
-// This file is automatically generated. DO NOT EDIT
-
-// eslint-disable-next-line @typescript-eslint/ban-ts-comment
-// @ts-ignore: Unused imports
-import {Call as $Call, Create as $Create} from "@wailsio/runtime";
-
-/**
- * @param {string} patchPath
- * @returns {Promise<[boolean, string, string]> & { cancel(): void }}
- */
-export function CheckTypeHDiff(patchPath) {
-    let $resultPromise = /** @type {any} */($Call.ByID(1068035136, patchPath));
-    return $resultPromise;
-}
-
-/**
- * @param {string} gamePath
- * @returns {Promise<[boolean, string]> & { cancel(): void }}
- */
-export function CutData(gamePath) {
-    let $resultPromise = /** @type {any} */($Call.ByID(3671642725, gamePath));
-    return $resultPromise;
-}
-
-/**
- * @param {string} gamePath
- * @param {string} patchPath
- * @param {boolean} isSkipVerify
- * @returns {Promise<[boolean, string]> & { cancel(): void }}
- */
-export function DataExtract(gamePath, patchPath, isSkipVerify) {
-    let $resultPromise = /** @type {any} */($Call.ByID(1843136452, gamePath, patchPath, isSkipVerify));
-    return $resultPromise;
-}
-
-/**
- * @param {string} gamePath
- * @returns {Promise<[boolean, string]> & { cancel(): void }}
- */
-export function DeleteFiles(gamePath) {
-    let $resultPromise = /** @type {any} */($Call.ByID(989019003, gamePath));
-    return $resultPromise;
-}
-
-/**
- * @param {string} gamePath
- * @returns {Promise<[boolean, string]> & { cancel(): void }}
- */
-export function PatchData(gamePath) {
-    let $resultPromise = /** @type {any} */($Call.ByID(3608591627, gamePath));
-    return $resultPromise;
-}
-
-/**
- * @param {string} gamePath
- * @param {string} patchPath
- * @returns {Promise<[boolean, string]> & { cancel(): void }}
- */
-export function VersionValidate(gamePath, patchPath) {
-    let $resultPromise = /** @type {any} */($Call.ByID(3916254383, gamePath, patchPath));
-    return $resultPromise;
-}
--- a/frontend/bindings/firefly-launcher/internal/index.js
+++ b/frontend/bindings/firefly-launcher/internal/index.js
@@ -1,16 +0,0 @@
-// @ts-check
-// Cynhyrchwyd y ffeil hon yn awtomatig. PEIDIWCH Â MODIWL
-// This file is automatically generated. DO NOT EDIT
-
-import * as AppService from "./appservice.js";
-import * as FSService from "./fsservice.js";
-import * as GitService from "./gitservice.js";
-import * as HdiffzService from "./hdiffzservice.js";
-import * as LanguageService from "./languageservice.js";
-export {
-    AppService,
-    FSService,
-    GitService,
-    HdiffzService,
-    LanguageService
-};
--- a/frontend/bindings/firefly-launcher/internal/language-service/index.js
+++ b/frontend/bindings/firefly-launcher/internal/language-service/index.js
@@ -0,0 +1,8 @@
+// @ts-check
+// Cynhyrchwyd y ffeil hon yn awtomatig. PEIDIWCH Â MODIWL
+// This file is automatically generated. DO NOT EDIT
+
+import * as LanguageService from "./languageservice.js";
+export {
+    LanguageService
+};
--- a/frontend/bindings/firefly-launcher/internal/language-service/languageservice.js
+++ b/frontend/bindings/firefly-launcher/internal/language-service/languageservice.js
@@ -0,0 +1,25 @@
+// @ts-check
+// Cynhyrchwyd y ffeil hon yn awtomatig. PEIDIWCH Â MODIWL
+// This file is automatically generated. DO NOT EDIT
+
+// eslint-disable-next-line @typescript-eslint/ban-ts-comment
+// @ts-ignore: Unused imports
+import { Call as $Call, CancellablePromise as $CancellablePromise, Create as $Create } from "@wailsio/runtime";
+
+/**
+ * @param {string} path
+ * @returns {$CancellablePromise<[boolean, string, string, string]>}
+ */
+export function GetLanguage(path) {
+    return $Call.ByID(3574191687, path);
+}
+
+/**
+ * @param {string} path
+ * @param {string} text
+ * @param {string} voice
+ * @returns {$CancellablePromise<[boolean, string]>}
+ */
+export function SetLanguage(path, text, voice) {
+    return $Call.ByID(2768939795, path, text, voice);
+}
--- a/frontend/bindings/firefly-launcher/internal/languageservice.js
+++ b/frontend/bindings/firefly-launcher/internal/languageservice.js
@@ -1,27 +0,0 @@
-// @ts-check
-// Cynhyrchwyd y ffeil hon yn awtomatig. PEIDIWCH Â MODIWL
-// This file is automatically generated. DO NOT EDIT
-
-// eslint-disable-next-line @typescript-eslint/ban-ts-comment
-// @ts-ignore: Unused imports
-import {Call as $Call, Create as $Create} from "@wailsio/runtime";
-
-/**
- * @param {string} path
- * @returns {Promise<[boolean, string, string, string]> & { cancel(): void }}
- */
-export function GetLanguage(path) {
-    let $resultPromise = /** @type {any} */($Call.ByID(3450750492, path));
-    return $resultPromise;
-}
-
-/**
- * @param {string} path
- * @param {string} text
- * @param {string} voice
- * @returns {Promise<[boolean, string]> & { cancel(): void }}
- */
-export function SetLanguage(path, text, voice) {
-    let $resultPromise = /** @type {any} */($Call.ByID(2793672496, path, text, voice));
-    return $resultPromise;
-}
--- a/frontend/src/helper/launcher.ts
+++ b/frontend/src/helper/launcher.ts
@@ -1,7 +1,8 @@
 import useLauncherStore from "@/stores/launcherStore";
-import { AppService, GitService } from "@bindings/firefly-launcher/internal";
+import { AppService,  } from "@bindings/firefly-launcher/internal/app-service";
 import { toast } from "react-toastify";
 import { sleep } from "./sleep";
+import { GitService } from "@bindings/firefly-launcher/internal/git-service";

 export async function CheckUpdateLauncher(): Promise<{ isUpdate: boolean; isExists: boolean; version: string }> {
    const [currentOk, currentVersion] = await AppService.GetCurrentLauncherVersion()
--- a/frontend/src/helper/proxy.ts
+++ b/frontend/src/helper/proxy.ts
@@ -1,6 +1,7 @@
 import useLauncherStore from "@/stores/launcherStore";
 import useSettingStore from "@/stores/settingStore";
-import { FSService, GitService } from "@bindings/firefly-launcher/internal";
+import { FSService } from "@bindings/firefly-launcher/internal/fs-service";
+import { GitService } from "@bindings/firefly-launcher/internal/git-service";
 import { toast } from "react-toastify";

 export async function CheckUpdateProxy(proxyPath: string, proxyVersion: string) : Promise<{isUpdate: boolean, isExists: boolean, version: string}> {
--- a/frontend/src/helper/server.ts
+++ b/frontend/src/helper/server.ts
@@ -1,6 +1,7 @@
 import useLauncherStore from '@/stores/launcherStore';
 import useSettingStore from '@/stores/settingStore';
-import { FSService, GitService } from '@bindings/firefly-launcher/internal';
+import { FSService } from '@bindings/firefly-launcher/internal/fs-service';
+import { GitService } from '@bindings/firefly-launcher/internal/git-service';
 import { toast } from 'react-toastify';

 export async function CheckUpdateServer(
--- a/frontend/src/hooks/useGlobalEvents.tsx
+++ b/frontend/src/hooks/useGlobalEvents.tsx
@@ -12,6 +12,7 @@ export function useGlobalEvents({
    setProgressDownload,
    setDownloadSpeed,
    setMessageUpdate,
+    setStageType,

 }: {
    setGameRunning: (v: boolean) => void;
@@ -20,8 +21,9 @@ export function useGlobalEvents({
    setProgressUpdate: (v: number) => void;
    setMaxProgressUpdate: (v: number) => void;
    setProgressDownload: (v: number) => void;
-    setDownloadSpeed: (v: number) => void;
+    setDownloadSpeed: (v: string) => void;
    setMessageUpdate: (v: string) => void;
+    setStageType: (v: string) => void,
 }) {
    useEffect(() => {
        const onGameExit = () => setGameRunning(false);
@@ -31,7 +33,7 @@ export function useGlobalEvents({
        const onDownload = (event: any) => {
            const { percent, speed } = event.data[0];
            setProgressDownload(Number(percent));
-            setDownloadSpeed(Number(speed));
+            setDownloadSpeed(speed);
        };

        const onUpdateProgress = (event: any) => {
@@ -45,14 +47,20 @@ export function useGlobalEvents({
            setMessageUpdate(message);
        };

+        const onStageUpdate = (event: any) => {
+            const { stage } = event.data[0];
+            setStageType(stage);
+        };
+
        Events.On("download:server", onDownload);
        Events.On("download:proxy", onDownload);
        Events.On("game:exit", onGameExit);
        Events.On("server:exit", onServerExit);
        Events.On("proxy:exit", onProxyExit);
-        Events.On("hdiffz:progress", onUpdateProgress);
-        Events.On("hdiffz:message", onMessageUpdate);
-        Events.On("hdiffz:error", (event: any) => {
+        Events.On("diff:progress", onUpdateProgress);
+        Events.On("diff:message", onMessageUpdate);
+        Events.On("diff:stage", onStageUpdate);
+        Events.On("diff:error", (event: any) => {
            const { message } = event.data[0];
            toast.error(message);
        });
@@ -63,8 +71,9 @@ export function useGlobalEvents({
            Events.Off("game:exit");
            Events.Off("server:exit");
            Events.Off("proxy:exit");
-            Events.Off("hdiffz:progress");
-            Events.Off("hdiffz:message");
+            Events.Off("diff:progress")
+            Events.Off("diff:message");
+            Events.Off("diff:stage");
            Events.Off("version:check");
        };
    }, []);
--- a/frontend/src/main.tsx
+++ b/frontend/src/main.tsx
@@ -4,20 +4,15 @@ import { RouterProvider, createRouter } from '@tanstack/react-router'
 import './styles/index.css'
 import "../runtime.js"
 import "@wailsio/runtime";
-// Import the generated route tree
 import { routeTree } from './routeTree.gen.js'

-// Create a new router instance
 const router = createRouter({ routeTree })
-
-// Register the router instance for type safety
 declare module '@tanstack/react-router' {
  interface Register {
    router: typeof router
  }
 }

-// Render the app
 const rootElement = document.getElementById('root')!
 if (!rootElement.innerHTML) {
  const root = ReactDOM.createRoot(rootElement)
--- a/frontend/src/pages/about/index.tsx
+++ b/frontend/src/pages/about/index.tsx
@@ -3,7 +3,7 @@ import { Link } from "@tanstack/react-router";
 export default function AboutPage() {
    return (
      <div className="min-h-screen bg-base-200 flex items-center justify-center p-6">
-        <div className="max-w-3xl w-full bg-base-100 shadow-xl rounded-2xl p-8 space-y-6">
+        <div className="w-full bg-base-100 shadow-xl rounded-2xl p-8 space-y-6">
          <h1 className="text-4xl font-bold text-primary text-center">About</h1>
  
          <div className="space-y-4">
--- a/frontend/src/pages/analysis/index.tsx
+++ b/frontend/src/pages/analysis/index.tsx
@@ -3,7 +3,7 @@ import { Link } from '@tanstack/react-router';
 export default function AnalysisPage() {
    return (
        <div className="min-h-screen bg-base-200 flex items-center justify-center p-6">
-            <div className="max-w-4xl w-full bg-base-100 shadow-xl rounded-2xl p-8 space-y-8">
+            <div className="w-full bg-base-100 shadow-xl rounded-2xl p-8 space-y-8">
                <h1 className="text-4xl font-bold text-primary text-center">
                    Firefly Analysis & Veritas Plugin
                </h1>
@@ -144,7 +144,7 @@ export default function AnalysisPage() {
                            <div className="space-y-2 text-purple-700">
                                <div className="flex items-start gap-2">
                                    <span className="font-medium min-w-[20px] text-purple-600">1.</span>
-                                    <p>Launch the <span className="font-semibold">game</span> and your <span className="font-semibold">Firefly Private Server (PS)</span>.</p>
+                                    <p>Launch the <span className="font-semibold">game</span> and your <span className="font-semibold">Firefly GO Server (PS)</span>.</p>
                                </div>
                                <div className="flex items-start gap-2">
                                    <span className="font-medium min-w-[20px] text-purple-600">2.</span>
--- a/frontend/src/pages/hdiffz/index.tsx
+++ b/frontend/src/pages/hdiffz/index.tsx
@@ -2,11 +2,12 @@ import useSettingStore from "@/stores/settingStore"
 import { Check, Folder, File, X, Settings } from "lucide-react"
 import { useEffect } from "react"
 import { toast } from "react-toastify"
-import { FSService, HdiffzService} from "@bindings/firefly-launcher/internal"
+import { DiffService} from "@bindings/firefly-launcher/internal/diff-service"
+import { FSService } from "@bindings/firefly-launcher/internal/fs-service"
 import { motion } from "motion/react"
-import useHdiffzStore from "@/stores/hdiffzStore"
+import useDiffStore from "@/stores/diffStore"

-export default function HdiffzPage() {
+export default function DiffPage() {
    const { gameDir, setGameDir } = useSettingStore()
    const { 
        isLoading, 
@@ -27,7 +28,7 @@ export default function HdiffzPage() {
        setStageType,
        messageUpdate,
        setMessageUpdate
-    } = useHdiffzStore()
+    } = useDiffStore()

    useEffect(() => {
        const getLanguage = async () => {
@@ -78,7 +79,7 @@ export default function HdiffzPage() {
    const handlePickDiffFile = async () => {
        try {
            setIsLoading({game: false, diff: true})
-            const basePath = await FSService.PickFile()
+            const basePath = await FSService.PickFile("")
            if (basePath) {
                if (!basePath.endsWith(".7z") && !basePath.endsWith(".zip") && !basePath.endsWith(".rar")) {
                    toast.error('Not valid file type')
@@ -86,13 +87,6 @@ export default function HdiffzPage() {
                    setDiffDir('')
                    return
                }
-                const [exists, error] = await FSService.FileExistsInZip(basePath, "StarRail_Data\\StreamingAssets\\BinaryVersion.bytes")
-                if (!exists) {
-                    toast.error(error)
-                    setDiffCheckResult('error')
-                    setDiffDir('')
-                    return
-                }
                setDiffDir(basePath)
                setDiffCheckResult('success')
            } else {
@@ -109,79 +103,79 @@ export default function HdiffzPage() {
    }

    const handleUpdateGame = async () => {
+        const handleResult = (ok: boolean, error: string) => {
+            if (!ok) {
+                toast.error(error)
+                return false
+            }
+            return true
+        }
+    
        try {
            setIsDiffLoading(true)
+    
            if (!gameDir || !diffDir) {
                toast.error('Please select game directory and diff file')
-                setIsDiffLoading(false)
                return
            }
+    
            setStageType('Check Type HDiff')
            setProgressUpdate(0)
            setMaxProgressUpdate(1)
-            const [isOk, validType, errorType] = await HdiffzService.CheckTypeHDiff(diffDir)
-            if (!isOk) {
-                toast.error(errorType)
-                setIsDiffLoading(false)
-                return
-            }
+    
+            const [isOk, validType, errorType] = await DiffService.CheckTypeHDiff(diffDir)
+            if (!handleResult(isOk, errorType)) return
            setProgressUpdate(1)
    
-            if (validType === 'hdiffmap.json') {
+            if (['hdiffmap.json', 'hdifffiles.txt', 'hdifffiles.json'].includes(validType)) {
                setStageType('Version Validate')
                setProgressUpdate(0)
                setMaxProgressUpdate(1)
-                const [validVersion, errorVersion] = await HdiffzService.VersionValidate(gameDir, diffDir)
-                if (!validVersion) {
-                    toast.error(errorVersion)
-                    setIsDiffLoading(false)
-                    return
-                }
+                const [validVersion, errorVersion] = await DiffService.VersionValidate(gameDir, diffDir)
+                if (!handleResult(validVersion, errorVersion)) return
                setProgressUpdate(1)
            }

            setStageType('Data Extract')
-            const [validData, errorData] = await HdiffzService.DataExtract(gameDir, diffDir, validType === 'hdifffiles.txt')
-            if (!validData) {
-                toast.error(errorData)
-                setIsDiffLoading(false)
-                return
-            }
+            const [validData, errorData] = await DiffService.DataExtract(gameDir, diffDir)
+            if (!handleResult(validData, errorData)) return
    
            setStageType('Cut Data')
            setMessageUpdate('')
-            const [validCut, errorCut] = await HdiffzService.CutData(gameDir)
-            if (!validCut) {
-                toast.error(errorCut)
-                setIsDiffLoading(false)
-                return
-            }
+            const [validCut, errorCut] = await DiffService.CutData(gameDir)
+            if (!handleResult(validCut, errorCut)) return
    
+            switch (validType) {
+                case 'hdifffiles.txt':
+                case 'hdiffmap.json':
+                case 'hdifffiles.json': {
                    setStageType('Patch Data')
-            const [validPatch, errorPatch] = await HdiffzService.PatchData(gameDir)
-            if (!validPatch) {
-                toast.error(errorPatch)
-                setIsDiffLoading(false)
-                return
-            }
+                    const [validPatch, errorPatch] = await DiffService.HDiffPatchData(gameDir)
+                    if (!handleResult(validPatch, errorPatch)) return
    
                    setStageType('Delete old files')
-            const [validDelete, errorDelete] = await HdiffzService.DeleteFiles(gameDir)
-            if (!validDelete) {
-                toast.error(errorDelete)
-                setIsDiffLoading(false)
-                return
+                    const [validDelete, errorDelete] = await DiffService.DeleteFiles(gameDir)
+                    if (!handleResult(validDelete, errorDelete)) return
+                    break
                }
+                case 'manifest': {
+                    setStageType('Patch Data')
+                    const [validPatch, errorPatch] = await DiffService.LDiffPatchData(gameDir)
+                    if (!handleResult(validPatch, errorPatch)) return
+                    break
+                }
+            }
+    
            toast.success('Update game completed')
        } catch (err: any) {
            console.error(err)
-            toast.error('PickFile error:', err)
-            setIsDiffLoading(false)
+            toast.error(`PickFile error: ${err}`)
        } finally {
            setIsDiffLoading(false)
        }
    }
    
+
    return (
        <div className="p-2 mx-4">
            <div className="max-w-4xl mx-auto">
--- a/frontend/src/pages/fireflytools/index.tsx
+++ b/frontend/src/pages/fireflytools/index.tsx
@@ -1,23 +1,23 @@
 import { Link } from "@tanstack/react-router";

-export default function SrToolsPage() {
+export default function FireflyToolsPage() {
  return (
      <div className="min-h-screen bg-base-200 flex items-center justify-center p-6">
-          <div className="max-w-4xl w-full bg-base-100 shadow-xl rounded-2xl p-8 space-y-8">
-              <h1 className="text-4xl font-bold text-primary text-center">SR Tools</h1>
+          <div className="w-full bg-base-100 shadow-xl rounded-2xl p-8 space-y-8">
+              <h1 className="text-4xl font-bold text-primary text-center">Firefly Tools</h1>

              {/* Section 1: About SR Tools */}
              <div className="bg-blue-50 border-l-4 border-blue-400 p-6 rounded-r-lg">
                  <h2 className="text-2xl font-bold text-blue-800 flex items-center gap-2 mb-4">
                      <span>ℹ️</span>
-                      <span>About SR Tools</span>
+                      <span>About Firefly Tools</span>
                  </h2>
                  <div className="space-y-3 text-blue-700">
                      <div className="flex items-start gap-3">
                          <div className="text-blue-600 text-lg">🏠</div>
                          <p>
                            This site is a another version of {" "}
-                            <span className="font-semibold text-success">SR Tools {" "}</span>
+                            <span className="font-semibold text-success">Firefly Tools {" "}</span>
                            developed by {" "}
                            <span className="font-semibold text-warning">Me {"(Kain)"}</span>
                          </p>
@@ -95,9 +95,24 @@ export default function SrToolsPage() {
                      </div>
                      <div className="flex items-start gap-3">
                          <div className="text-green-600 text-lg">🔌</div>
-                          <p>Instantly apply setups to <span className="font-semibold text-warning">Firefly Private Server</span> using <span className="font-semibold">Connect PS</span> — no manual file uploads required.</p>
+                          <p>Instantly apply setups to <span className="font-semibold text-warning">Firefly GO Server</span> using <span className="font-semibold">Connect PS</span> — no manual file uploads required.</p>
                      </div>
                      <div className="flex items-start gap-3">
+  <div className="text-green-600 text-2xl">✨</div>
+  <div>
+    <h4 className="font-semibold text-green-800 text-lg">Extra Settings</h4>
+    <p className="text-green-700 mt-1">
+      Enhance your <span className="font-semibold text-warning">Firefly GO Server</span> experience with extra features:
+    </p>
+    <ul className="list-disc list-inside mt-2 space-y-1 text-green-700">
+      <li>🎭 <span className="font-medium">Hidden Game UI</span> — remove the entire game interface.</li>
+      <li>🚫 <span className="font-medium">Disable Censorship</span> — get rid of Lens Flare censor 💀.</li>
+      <li>🧪 <span className="font-medium">Theorycraft Mode</span> — configure HP, cycles, and more via the web.</li>
+    </ul>
+  </div>
+</div>
+
+                      <div className="flex items-start gap-3">
                          <div className="text-green-600 text-lg">📂</div>
                          <p>Export and import full builds using <code className="bg-gray-200 px-2 py-1 rounded text-sm">freesr-data.json</code>.</p>
                      </div>
--- a/frontend/src/pages/howto/index.tsx
+++ b/frontend/src/pages/howto/index.tsx
@@ -3,7 +3,7 @@ import { Link } from '@tanstack/react-router';
 export default function HowToPage() {
    return (
        <div className="min-h-screen bg-base-200 flex items-center justify-center p-6">
-            <div className="max-w-4xl w-full bg-base-100 shadow-xl rounded-2xl p-8 space-y-8">
+            <div className=" w-full bg-base-100 shadow-xl rounded-2xl p-8 space-y-8">
                <h1 className="text-4xl font-bold text-primary text-center">How to Use</h1>

                {/* Section 1: Launcher Features */}
@@ -28,13 +28,23 @@ export default function HowToPage() {
                            </p>
                        </div>
                        <div className="flex items-start gap-3">
-                            <div className="text-green-600 text-lg">📦</div>
-                            <p>Patch and update game files using{" "}
-                                <a href="/hdiff" className="link link-info font-mono">Hdiffz Tool</a>
-                                {" "}(HDiffPatch) — fast & lightweight incremental updates.
+                            <div className="text-green-600 text-2xl">📦</div>
+                            <div>
+                                <p className="text-green-800 font-semibold">
+                                    Patch & Update Game Files
+                                </p>
+                                <p className="text-green-700">
+                                    Use the{" "}
+                                    <a href="/diff" className="link link-info font-mono">Diff Tool</a>{" "}
+                                    (<span className="font-medium">DiffPatch</span>) for fast & lightweight incremental updates.
+                                </p>
+                                <p className="text-green-700 mt-1">
+                                    Supports <span className="font-semibold">Hdiff</span>, <span className="font-semibold">Ldiff</span>, and custom diff formats.
                                </p>
                            </div>
                        </div>
+
+                    </div>
                </div>

                {/* Section 2: FireflyGo Commands */}
@@ -65,8 +75,60 @@ export default function HowToPage() {
                        </div>
                    </div>

+                    <div className="bg-white border border-blue-200 rounded-lg p-4">
+                        <div className="flex items-start gap-3">
+                            <div className="text-blue-600 text-lg">✨</div>
+                            <div className="flex-1">
+                                <h4 className="font-semibold text-blue-800 mb-1">Extra Settings</h4>
+
+                                <div className="space-y-4 text-blue-700 text-sm">
+
+                                    <div className="bg-blue-50 border border-blue-200 rounded-lg p-3">
+                                        <h5 className="font-semibold text-blue-800 flex items-center gap-2">
+                                            🎭 Hidden UI
+                                        </h5>
+                                        <p className="mt-1">
+                                            Instantly hides the entire game UI — often used in DIM showcase videos.
+                                        </p>
+                                    </div>
+
+
+                                    <div className="bg-blue-50 border border-blue-200 rounded-lg p-3">
+                                        <h5 className="font-semibold text-blue-800 flex items-center gap-2">
+                                            🚫 Disable Censorship
+                                        </h5>
+                                        <p className="mt-1">
+                                            Remove the Lens Flare censor effect 💀 for a cleaner experience.
+                                        </p>
+                                    </div>
+
+                                    <div className="bg-blue-50 border border-blue-200 rounded-lg p-3">
+                                        <h5 className="font-semibold text-blue-800 flex items-center gap-2">
+                                            🧪 Theorycraft Mode
+                                        </h5>
+                                        <p className="mt-1">
+                                            No need to type chat commands anymore — configure everything through the
+                                            web: adjust monster HP, set cycles, view logs, and more.
+                                        </p>
+                                    </div>
+                                </div>
+
+
+                                <div className="mt-4 aspect-w-16 aspect-h-9">
+                                    <iframe
+                                        src="https://www.youtube.com/embed/uiKdFrvn9NQ"
+                                        title="Extra Settings Tutorial"
+                                        allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture"
+                                        allowFullScreen
+                                        className="rounded-lg w-full h-[300px]"
+                                    ></iframe>
+                                </div>
+                            </div>
+                        </div>
+                    </div>
+
                    {/* Commands List */}
-                    <div className="space-y-4">
+                    <div className="space-y-4 mt-4">
                        <h3 className="text-lg font-semibold text-blue-800">Available Commands:</h3>

                        {/* Theorycraft Toggle */}
@@ -103,16 +165,28 @@ export default function HowToPage() {
                            <div className="flex items-start gap-3">
                                <div className="text-blue-600 text-lg">❤️</div>
                                <div className="flex-1">
-                                    <h4 className="font-semibold text-blue-800 mb-1">HP Override <span className="text-red-600 text-sm">(Theorycraft only)</span></h4>
-                                    <div className="space-y-1 text-blue-700">
-                                        <p><code className="bg-blue-100 px-1 py-0.5 rounded text-sm">/hp WAVE HP</code> — Set monster HP for a specific wave</p>
-                                        <p className="text-sm">Example: <code className="bg-blue-100 px-1 py-0.5 rounded text-sm">/hp 1 2000000</code> sets Wave 1 monster HP to 2,000,000</p>
-                                        <p className="text-sm"><code className="bg-blue-100 px-1 py-0.5 rounded text-sm">/hp 0</code> disables HP override</p>
+                                    <h4 className="font-semibold text-blue-800 mb-1">
+                                        HP Override <span className="text-red-600 text-sm">(Theorycraft only)</span>
+                                    </h4>
+                                    <div className="space-y-2 text-blue-700 text-sm">
+                                        <p>
+                                            <code className="bg-blue-100 px-1 py-0.5 rounded text-sm">/hp N</code> — Set monster HP (only available in Theorycraft mode)
+                                        </p>
+                                        <p>
+                                            <code className="bg-blue-100 px-1 py-0.5 rounded text-sm">/hp 0</code> — Disable the set HP feature
+                                        </p>
+                                        <p>
+                                            <code className="bg-blue-100 px-1 py-0.5 rounded text-sm">/hp Wave V1 V2 ...</code> — Set HP for each monster in a specific wave
+                                        </p>
+                                        <p className="ml-4">
+                                            Example: <code className="bg-blue-100 px-1 py-0.5 rounded text-sm">/hp 1 2000000 3000000</code> sets wave 1 monster1 HP=2,000,000 and monster2 HP=3,000,000
+                                        </p>
                                    </div>
                                </div>
                            </div>
                        </div>

+
                        {/* Log Command */}
                        <div className="bg-white border border-blue-200 rounded-lg p-4">
                            <div className="flex items-start gap-3">
--- a/frontend/src/pages/language/index.tsx
+++ b/frontend/src/pages/language/index.tsx
@@ -1,7 +1,7 @@
 import { useEffect, useState } from 'react'
 import { Folder, Settings, Check, X, Globe, Mic } from 'lucide-react'
-import { FSService } from '@bindings/firefly-launcher/internal'
-import { LanguageService } from '@bindings/firefly-launcher/internal'
+import { FSService } from '@bindings/firefly-launcher/internal/fs-service'
+import { LanguageService } from '@bindings/firefly-launcher/internal/language-service'
 import { toast } from 'react-toastify'
 import useSettingStore from '@/stores/settingStore'

--- a/frontend/src/pages/launcher/index.tsx
+++ b/frontend/src/pages/launcher/index.tsx
@@ -1,6 +1,7 @@
 import { useEffect } from 'react';
 import { Play, Menu, FolderOpen, MessageCircleQuestionMark } from 'lucide-react';
-import { FSService, AppService } from '@bindings/firefly-launcher/internal';
+import { AppService } from '@bindings/firefly-launcher/internal/app-service';
+import { FSService } from '@bindings/firefly-launcher/internal/fs-service';
 import { toast } from 'react-toastify';
 import path from 'path-browserify'
 import useSettingStore from '@/stores/settingStore';
@@ -120,7 +121,7 @@ export default function LauncherPage() {
    const handlePickFile = async () => {
        try {
            setIsLoading(true)
-            const basePath = await FSService.PickFile()
+            const basePath = await FSService.PickFile("exe")
            if (basePath.endsWith("StarRail.exe") || basePath.endsWith("launcher.exe")) {
                const normalized = basePath.replace(/\\/g, '/')
                const folderPath = path.dirname(normalized)
@@ -404,7 +405,7 @@ export default function LauncherPage() {
                        <div className="flex justify-center items-center text-sm text-white/80">
                            <span>{downloadType}</span>
                            <div className="flex items-center gap-4 ml-4">
-                                <span className="text-cyan-400 font-semibold">{downloadSpeed.toFixed(1)} MB/s</span>
+                                <span className="text-cyan-400 font-semibold">{downloadSpeed}</span>
                                <span className="text-white font-bold">{progressDownload.toFixed(1)}%</span>
                            </div>
                        </div>
@@ -413,7 +414,7 @@ export default function LauncherPage() {
                                className="h-full bg-gradient-to-r from-cyan-400 to-blue-500 rounded-full"
                                initial={{ width: 0 }}
                                animate={{ width: `${progressDownload}%` }}
-                                transition={{ duration: 0.3 }}
+                                transition={{ type: "tween", ease: "linear", duration: 0.03 }}
                            />
                        </div>
                        <div className="text-center text-xs text-white/60">
--- a/frontend/src/routeTree.gen.ts
+++ b/frontend/src/routeTree.gen.ts
@@ -12,7 +12,7 @@ import { Route as rootRouteImport } from './routes/__root'
 import { Route as SrtoolsRouteImport } from './routes/srtools'
 import { Route as LanguageRouteImport } from './routes/language'
 import { Route as HowtoRouteImport } from './routes/howto'
-import { Route as HdiffzRouteImport } from './routes/hdiffz'
+import { Route as DiffRouteImport } from './routes/diff'
 import { Route as AnalysisRouteImport } from './routes/analysis'
 import { Route as AboutRouteImport } from './routes/about'
 import { Route as IndexRouteImport } from './routes/index'
@@ -32,9 +32,9 @@ const HowtoRoute = HowtoRouteImport.update({
  path: '/howto',
  getParentRoute: () => rootRouteImport,
 } as any)
-const HdiffzRoute = HdiffzRouteImport.update({
-  id: '/hdiffz',
-  path: '/hdiffz',
+const DiffRoute = DiffRouteImport.update({
+  id: '/diff',
+  path: '/diff',
  getParentRoute: () => rootRouteImport,
 } as any)
 const AnalysisRoute = AnalysisRouteImport.update({
@@ -57,7 +57,7 @@ export interface FileRoutesByFullPath {
  '/': typeof IndexRoute
  '/about': typeof AboutRoute
  '/analysis': typeof AnalysisRoute
-  '/hdiffz': typeof HdiffzRoute
+  '/diff': typeof DiffRoute
  '/howto': typeof HowtoRoute
  '/language': typeof LanguageRoute
  '/srtools': typeof SrtoolsRoute
@@ -66,7 +66,7 @@ export interface FileRoutesByTo {
  '/': typeof IndexRoute
  '/about': typeof AboutRoute
  '/analysis': typeof AnalysisRoute
-  '/hdiffz': typeof HdiffzRoute
+  '/diff': typeof DiffRoute
  '/howto': typeof HowtoRoute
  '/language': typeof LanguageRoute
  '/srtools': typeof SrtoolsRoute
@@ -76,7 +76,7 @@ export interface FileRoutesById {
  '/': typeof IndexRoute
  '/about': typeof AboutRoute
  '/analysis': typeof AnalysisRoute
-  '/hdiffz': typeof HdiffzRoute
+  '/diff': typeof DiffRoute
  '/howto': typeof HowtoRoute
  '/language': typeof LanguageRoute
  '/srtools': typeof SrtoolsRoute
@@ -87,7 +87,7 @@ export interface FileRouteTypes {
    | '/'
    | '/about'
    | '/analysis'
-    | '/hdiffz'
+    | '/diff'
    | '/howto'
    | '/language'
    | '/srtools'
@@ -96,7 +96,7 @@ export interface FileRouteTypes {
    | '/'
    | '/about'
    | '/analysis'
-    | '/hdiffz'
+    | '/diff'
    | '/howto'
    | '/language'
    | '/srtools'
@@ -105,7 +105,7 @@ export interface FileRouteTypes {
    | '/'
    | '/about'
    | '/analysis'
-    | '/hdiffz'
+    | '/diff'
    | '/howto'
    | '/language'
    | '/srtools'
@@ -115,7 +115,7 @@ export interface RootRouteChildren {
  IndexRoute: typeof IndexRoute
  AboutRoute: typeof AboutRoute
  AnalysisRoute: typeof AnalysisRoute
-  HdiffzRoute: typeof HdiffzRoute
+  DiffRoute: typeof DiffRoute
  HowtoRoute: typeof HowtoRoute
  LanguageRoute: typeof LanguageRoute
  SrtoolsRoute: typeof SrtoolsRoute
@@ -144,11 +144,11 @@ declare module '@tanstack/react-router' {
      preLoaderRoute: typeof HowtoRouteImport
      parentRoute: typeof rootRouteImport
    }
-    '/hdiffz': {
-      id: '/hdiffz'
-      path: '/hdiffz'
-      fullPath: '/hdiffz'
-      preLoaderRoute: typeof HdiffzRouteImport
+    '/diff': {
+      id: '/diff'
+      path: '/diff'
+      fullPath: '/diff'
+      preLoaderRoute: typeof DiffRouteImport
      parentRoute: typeof rootRouteImport
    }
    '/analysis': {
@@ -179,7 +179,7 @@ const rootRouteChildren: RootRouteChildren = {
  IndexRoute: IndexRoute,
  AboutRoute: AboutRoute,
  AnalysisRoute: AnalysisRoute,
-  HdiffzRoute: HdiffzRoute,
+  DiffRoute: DiffRoute,
  HowtoRoute: HowtoRoute,
  LanguageRoute: LanguageRoute,
  SrtoolsRoute: SrtoolsRoute,
--- a/frontend/src/routes/__root.tsx
+++ b/frontend/src/routes/__root.tsx
@@ -3,7 +3,7 @@ import ThemeController from '../components/themeController'
 import { ToastContainer } from 'react-toastify'
 import { useGlobalEvents } from '@/hooks';
 import useLauncherStore from '@/stores/launcherStore';
-import useHdiffzStore from '@/stores/hdiffzStore';
+import useDiffStore from '@/stores/diffStore';

 export const Route = createRootRoute({
    component: RootLayout
@@ -11,7 +11,7 @@ export const Route = createRootRoute({

 function RootLayout() {
    const { setGameRunning, setServerRunning, setProxyRunning, setProgressDownload, setDownloadSpeed } = useLauncherStore()
-    const { setProgressUpdate, setMaxProgressUpdate, setMessageUpdate } = useHdiffzStore()
+    const { setProgressUpdate, setMaxProgressUpdate, setMessageUpdate, setStageType } = useDiffStore()
    useGlobalEvents({
        setGameRunning,
        setServerRunning,
@@ -21,6 +21,7 @@ function RootLayout() {
        setProgressDownload,
        setDownloadSpeed,
        setMessageUpdate,
+        setStageType
    });

    return (
@@ -40,7 +41,7 @@ function RootLayout() {
                                <a>Tools</a>
                                <ul className="p-2">
                                    <li><Link to="/language">Language</Link></li>
-                                    <li><Link to="/hdiffz">Hdiffz</Link></li>
+                                    <li><Link to="/diff">Diff</Link></li>
                                </ul>
                            </li>
                            <li>
@@ -70,14 +71,14 @@ function RootLayout() {
                    </Link>
                </div>
                <div className="navbar-center hidden md:flex">
-                    <ul className="menu menu-horizontal px-1">
+                    <ul className="menu menu-horizontal px-1 gap-4">
                        <li><Link to="/">Home</Link></li>
                        <li>
                            <details>
                                <summary>Tools</summary>
                                <ul className="p-2">
                                    <li><Link to="/language">Language</Link></li>
-                                    <li><Link to="/hdiffz">Hdiffz</Link></li>
+                                    <li><Link to="/diff">Diff</Link></li>
                                </ul>
                            </details>
                        </li>
@@ -86,7 +87,7 @@ function RootLayout() {
                                <summary>Plugins</summary>
                                <ul className="p-2">
                                    <li><Link to="/analysis">Analysis (Veritas)</Link></li>
-                                    <li><Link to="/srtools">SrTools</Link></li>
+                                    <li><Link to="/srtools">Firefly Tools</Link></li>
                                </ul>
                            </details>
                        </li>
--- a/frontend/src/routes/diff.tsx
+++ b/frontend/src/routes/diff.tsx
@@ -0,0 +1,7 @@
+import DiffPage from '@/pages/diff'
+import { createFileRoute } from '@tanstack/react-router'
+
+export const Route = createFileRoute('/diff')({
+  component: DiffPage,
+})
+
--- a/frontend/src/routes/hdiffz.tsx
+++ b/frontend/src/routes/hdiffz.tsx
@@ -1,7 +0,0 @@
-import HdiffzPage from '@/pages/hdiffz'
-import { createFileRoute } from '@tanstack/react-router'
-
-export const Route = createFileRoute('/hdiffz')({
-  component: HdiffzPage,
-})
-
--- a/frontend/src/routes/srtools.tsx
+++ b/frontend/src/routes/srtools.tsx
@@ -1,8 +1,8 @@
-import SrToolsPage from '@/pages/srtools'
+import FireflyToolsPage from '@/pages/fireflytools'
 import { createFileRoute } from '@tanstack/react-router'

 export const Route = createFileRoute('/srtools')({
-  component: SrToolsPage,
+  component: FireflyToolsPage,
 })


--- a/frontend/src/stores/hdiffzStore.ts
+++ b/frontend/src/stores/hdiffzStore.ts
@@ -1,7 +1,7 @@

 import { create } from 'zustand'

-interface LauncherState {
+interface DiffState {
    folderCheckResult: 'success' | 'error' | null,
    isLoading: {game: boolean, diff: boolean},
    diffDir: string,
@@ -22,7 +22,7 @@ interface LauncherState {
    setStageType: (value: string) => void,
 }

-const useLauncherStore = create<LauncherState>((set, get) => ({
+const useDiffStore = create<DiffState>((set, get) => ({
    isLoading: {game: false, diff: false},
    folderCheckResult: null,
    diffDir: "",
@@ -43,4 +43,4 @@ const useLauncherStore = create<LauncherState>((set, get) => ({
    setStageType: (value: string) => set({ stageType: value }),
 }));

-export default useLauncherStore;
+export default useDiffStore;
--- a/frontend/src/stores/launcherStore.ts
+++ b/frontend/src/stores/launcherStore.ts
@@ -11,7 +11,7 @@ interface LauncherState {
    isLoading: boolean;
    gameRunning: boolean;
    progressDownload: number;
-    downloadSpeed: number;
+    downloadSpeed: string;
    launcherVersion: string;
    updateData: Record<'server' | 'proxy' | 'launcher', { isUpdate: boolean, isExists: boolean, version: string }>;
    setDownloadType: (value: string) => void;
@@ -24,7 +24,7 @@ interface LauncherState {
    setGameRunning: (value: boolean) => void;
    setProgressDownload: (value: number) => void;
    setLauncherVersion: (value: string) => void;
-    setDownloadSpeed: (value: number) => void;
+    setDownloadSpeed: (value: string) => void;
    setUpdateData: (value: Record<'server' | 'proxy' | 'launcher', { isUpdate: boolean, isExists: boolean, version: string }>) => void;
 }

@@ -38,7 +38,7 @@ const useLauncherStore = create<LauncherState>((set, get) => ({
    proxyRunning: false,
    gameRunning: false,
    progressDownload: 0,
-    downloadSpeed: 0,
+    downloadSpeed: "",
    launcherVersion: "",
    updateData: {
        server: { isUpdate: false, isExists: false, version: "" },
@@ -55,7 +55,7 @@ const useLauncherStore = create<LauncherState>((set, get) => ({
    setGameRunning: (value: boolean) => set({ gameRunning: value }),
    setProgressDownload: (value: number) => set({ progressDownload: value }),
    setLauncherVersion: (value: string) => set({ launcherVersion: value }),
-    setDownloadSpeed: (value: number) => set({ downloadSpeed: value }),
+    setDownloadSpeed: (value: string) => set({ downloadSpeed: value }),
    setUpdateData: (value: Record<'server' | 'proxy' | 'launcher', { isUpdate: boolean, isExists: boolean, version: string }>) => set({ updateData: value }),
 }));

--- a/go.mod
+++ b/go.mod
@@ -10,6 +10,7 @@ require (
 require (
 	aead.dev/minisign v0.3.0 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
+	golang.org/x/crypto v0.41.0 // indirect
 	golang.org/x/text v0.28.0 // indirect
 )

@@ -33,6 +34,7 @@ require (
 	github.com/jbenet/go-context v0.0.0-20150711004518-d14ea06fba99 // indirect
 	github.com/jchv/go-winloader v0.0.0-20250406163304-c1995be93bd1 // indirect
 	github.com/kevinburke/ssh_config v1.4.0 // indirect
+	github.com/klauspost/compress v1.18.0
 	github.com/leaanthony/go-ansi-parser v1.6.1 // indirect
 	github.com/leaanthony/u v1.1.1 // indirect
 	github.com/lmittmann/tint v1.1.2 // indirect
@@ -48,9 +50,9 @@ require (
 	github.com/wailsapp/go-webview2 v1.0.21 // indirect
 	github.com/wailsapp/mimetype v1.4.1 // indirect
 	github.com/xanzy/ssh-agent v0.3.3 // indirect
-	golang.org/x/crypto v0.41.0 // indirect
-	golang.org/x/exp v0.0.0-20250819193227-8b4c13bb791b // indirect
+	golang.org/x/exp v0.0.0-20250819193227-8b4c13bb791b
 	golang.org/x/net v0.43.0 // indirect
+	google.golang.org/protobuf v1.36.8
 	gopkg.in/ini.v1 v1.67.0 // indirect
 	gopkg.in/warnings.v0 v0.1.2 // indirect
 )
--- a/go.sum
+++ b/go.sum
@@ -55,6 +55,8 @@ github.com/jchv/go-winloader v0.0.0-20250406163304-c1995be93bd1 h1:njuLRcjAuMKr7
 github.com/jchv/go-winloader v0.0.0-20250406163304-c1995be93bd1/go.mod h1:alcuEEnZsY1WQsagKhZDsoPCRoOijYqhZvPwLG0kzVs=
 github.com/kevinburke/ssh_config v1.4.0 h1:6xxtP5bZ2E4NF5tuQulISpTO2z8XbtH8cg1PWkxoFkQ=
 github.com/kevinburke/ssh_config v1.4.0/go.mod h1:q2RIzfka+BXARoNexmF9gkxEX7DmvbW9P4hIVx2Kg4M=
+github.com/klauspost/compress v1.18.0 h1:c/Cqfb0r+Yi+JtIEq73FWXVkRonBlf0CRNYc8Zttxdo=
+github.com/klauspost/compress v1.18.0/go.mod h1:2Pp+KzxcywXVXMr50+X0Q/Lsb43OQHYWRCY2AiWywWQ=
 github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
 github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
 github.com/kr/pretty v0.3.1/go.mod h1:hoEshYVHaxMs3cyo3Yncou5ZscifuDolrwPKZanG3xk=
@@ -147,6 +149,8 @@ golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.28.0 h1:rhazDwis8INMIwQ4tpjLDzUhx6RlXqZNPEM0huQojng=
 golang.org/x/text v0.28.0/go.mod h1:U8nCwOR8jO/marOQ0QbDiOngZVEBB7MAiitBuMjXiNU=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+google.golang.org/protobuf v1.36.8 h1:xHScyCOEuuwZEc6UtSOvPbAT4zRh0xcNRYekJwfqyMc=
+google.golang.org/protobuf v1.36.8/go.mod h1:fuxRtAxBytpl4zzqUh6/eyUujkJdNiuEkXntxiD/uRU=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
--- a/internal/app-service/app.go
+++ b/internal/app-service/app.go
@@ -1,4 +1,4 @@
-package internal
+package appService

 import (
 	"firefly-launcher/pkg/constant"
--- a/internal/diff-service/hdiffz.go
+++ b/internal/diff-service/hdiffz.go
@@ -0,0 +1,259 @@
+package diffService
+
+import (
+	"bufio"
+	"encoding/json"
+	"firefly-launcher/pkg/constant"
+	"firefly-launcher/pkg/hpatchz"
+	"firefly-launcher/pkg/models"
+	"firefly-launcher/pkg/sevenzip"
+	"firefly-launcher/pkg/verifier"
+	"fmt"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"github.com/wailsapp/wails/v3/pkg/application"
+)
+
+type DiffService struct{}
+
+func (h *DiffService) CheckTypeHDiff(patchPath string) (bool, string, string) {
+	if ok, err := sevenzip.IsFileIn7z(patchPath, "hdifffiles.txt"); err == nil && ok {
+		return true, "hdifffiles.txt", ""
+	}
+	if ok, err := sevenzip.IsFileIn7z(patchPath, "hdifffiles.txt"); err == nil && ok {
+		return true, "hdifffiles.json", ""
+	}
+	if ok, err := sevenzip.IsFileIn7z(patchPath, "hdiffmap.json"); err == nil && ok {
+		return true, "hdiffmap.json", ""
+	}
+	if ok, err := sevenzip.IsFileIn7z(patchPath, "manifest"); err == nil && ok {
+		return true, "manifest", ""
+	}
+
+	return false, "", "not found hdifffiles.txt or hdiffmap.json"
+}
+
+func (h *DiffService) VersionValidate(gamePath, patchPath string) (bool, string) {
+	oldBinPath := filepath.Join(gamePath, "StarRail_Data\\StreamingAssets\\BinaryVersion.bytes")
+	if _, err := os.Stat(oldBinPath); err != nil {
+		return false, err.Error()
+	}
+	if _, err := os.Stat(patchPath); err != nil {
+		return false, err.Error()
+	}
+
+	if _, err := os.Stat(constant.TempUrl); os.IsNotExist(err) {
+		if err := os.MkdirAll(constant.TempUrl, os.ModePerm); err != nil {
+			return false, err.Error()
+		}
+	}
+
+	okFull, errFull := sevenzip.IsFileIn7z(patchPath, "StarRail_Data\\StreamingAssets\\BinaryVersion.bytes")
+	okDiff, errDiff := sevenzip.IsFileIn7z(patchPath, "StarRail_Data\\StreamingAssets\\BinaryVersion.bytes.hdiff")
+
+	if (errFull != nil && errDiff != nil) || (!okFull && !okDiff) {
+		return false, "BinaryVersion file not found in patch"
+	}
+
+	var tempBinFile string
+
+	if okFull {
+		if err := sevenzip.ExtractAFileFromZip(patchPath, "StarRail_Data\\StreamingAssets\\BinaryVersion.bytes", constant.TempUrl); err != nil {
+			return false, err.Error()
+		}
+		tempBinFile = filepath.Join(constant.TempUrl, "BinaryVersion.bytes")
+	} else {
+		if err := sevenzip.ExtractAFileFromZip(patchPath, "StarRail_Data\\StreamingAssets\\BinaryVersion.bytes.hdiff", constant.TempUrl); err != nil {
+			return false, err.Error()
+		}
+		patchBinFile := filepath.Join(constant.TempUrl, "BinaryVersion.bytes.hdiff")
+		sourceBinFile := oldBinPath
+		tempBinFile = filepath.Join(constant.TempUrl, "BinaryVersion.bytes")
+		if err := hpatchz.ApplyPatch(sourceBinFile, patchBinFile, tempBinFile); err != nil {
+			os.Remove(patchBinFile)
+			return false, err.Error()
+		}
+		os.Remove(patchBinFile)
+	}
+
+	okFullPkg, err1 := sevenzip.IsFileIn7z(patchPath, "pkg_version")
+	okDiffPkg, err2 := sevenzip.IsFileIn7z(patchPath, "pkg_version.hdiff")
+	if err1 != nil && err2 != nil {
+		return false, err1.Error()
+	}
+	if okFullPkg {
+		if err := sevenzip.ExtractAFileFromZip(patchPath, "pkg_version", constant.TempUrl); err != nil {
+			return false, err.Error()
+		}
+	}
+	if okDiffPkg {
+		if err := sevenzip.ExtractAFileFromZip(patchPath, "pkg_version.hdiff", constant.TempUrl); err != nil {
+			return false, err.Error()
+		}
+		patchPkgFile := filepath.Join(constant.TempUrl, "pkg_version.hdiff")
+		sourcePkgFile := filepath.Join(gamePath, "pkg_version")
+		tempPkgFile := filepath.Join(constant.TempUrl, "pkg_version")
+		if err := hpatchz.ApplyPatch(sourcePkgFile, patchPkgFile, tempPkgFile); err != nil {
+			os.Remove(patchPkgFile)
+			os.Remove(tempPkgFile)
+			return false, err.Error()
+		}
+		os.Remove(patchPkgFile)
+	}
+
+	tempPkgFile := filepath.Join(constant.TempUrl, "pkg_version")
+	pkgDataList, err := models.LoadPkgVersion(tempPkgFile)
+	if err != nil {
+		os.Remove(tempPkgFile)
+		return false, err.Error()
+	}
+	os.Remove(tempPkgFile)
+
+	// MD5 check BinaryVersion
+	flags := false
+	for _, pkgData := range pkgDataList {
+		if filepath.ToSlash(pkgData.RemoteFile) == "StarRail_Data/StreamingAssets/BinaryVersion.bytes" {
+			flags = true
+			md5, err := verifier.FileMD5(tempBinFile)
+			if err != nil {
+				os.Remove(tempBinFile)
+				return false, err.Error()
+			}
+			if md5 != pkgData.MD5 {
+				os.Remove(tempBinFile)
+				return false, fmt.Sprintf("md5 mismatch for %s: expected %s, got %s",
+					tempBinFile, pkgData.MD5, md5)
+			}
+			break
+		}
+	}
+	if !flags {
+		os.Remove(tempBinFile)
+		return false, "BinaryVersion file not found in patch"
+	}
+	_, err = models.ParseBinaryVersion(tempBinFile)
+	if err != nil {
+		os.Remove(tempBinFile)
+		return false, err.Error()
+	}
+
+	os.Remove(tempBinFile)
+	return true, "validated"
+}
+
+func (h *DiffService) HDiffPatchData(gamePath string) (bool, string) {
+	hdiffMapPath := filepath.Join(gamePath, "hdiffmap.json")
+	hdiffFilesPath := filepath.Join(gamePath, "hdifffiles.txt")
+	hdifffilesJsonPath := filepath.Join(gamePath, "hdifffiles.json")
+
+	var jsonData struct {
+		DiffMap []*models.HDiffData `json:"diff_map"`
+	}
+
+	if _, err := os.Stat(hdiffMapPath); err == nil {
+		data, err := os.ReadFile(hdiffMapPath)
+		if err != nil {
+			return false, err.Error()
+		}
+
+		var jsonDataDiffMap struct {
+			DiffMap []*models.DiffMapType `json:"diff_map"`
+		}
+		if err := json.Unmarshal(data, &jsonDataDiffMap); err != nil {
+			return false, err.Error()
+		}
+		for _, entry := range jsonDataDiffMap.DiffMap {
+			jsonData.DiffMap = append(jsonData.DiffMap, entry.ToHDiffData())
+		}
+	} else if _, err := os.Stat(hdifffilesJsonPath); err == nil {
+		data, err := os.ReadFile(hdifffilesJsonPath)
+		if err != nil {
+			return false, err.Error()
+		}
+		if err := json.Unmarshal(data, &jsonData); err != nil {
+			return false, err.Error()
+		}
+	} else if _, err := os.Stat(hdiffFilesPath); err == nil {
+		files, err := models.LoadHDiffFiles(hdiffFilesPath)
+		if err != nil {
+			return false, err.Error()
+		}
+		for _, entry := range files {
+			jsonData.DiffMap = append(jsonData.DiffMap, entry.ToHDiffData())
+		}
+	} else {
+		return false, "no hdiff entries map exist"
+	}
+
+	application.Get().Event.Emit("diff:stage", map[string]string{"stage": "Patching HDiff"})
+	for i, entry := range jsonData.DiffMap {
+		application.Get().Event.Emit(
+			"diff:progress", map[string]int{
+				"progress":    i,
+				"maxProgress": len(jsonData.DiffMap),
+			})
+
+		sourceFile := filepath.Join(gamePath, entry.SourceFileName)
+		patchFile := filepath.Join(gamePath, entry.PatchFileName)
+		targetFile := filepath.Join(gamePath, entry.TargetFileName)
+
+		if _, err := os.Stat(patchFile); os.IsNotExist(err) {
+			continue
+		}
+
+		if entry.SourceFileName == "" {
+			hpatchz.ApplyPatchEmpty(patchFile, targetFile)
+			os.Remove(patchFile)
+			continue
+		}
+
+		if _, err := os.Stat(sourceFile); os.IsNotExist(err) {
+			continue
+		}
+
+		hpatchz.ApplyPatch(sourceFile, patchFile, targetFile)
+		if entry.SourceFileName != entry.TargetFileName {
+			os.Remove(sourceFile)
+		}
+		os.Remove(patchFile)
+	}
+
+	os.Remove(filepath.Join(gamePath, "hdiffmap.json"))
+	os.Remove(filepath.Join(gamePath, "hdifffiles.txt"))
+	os.Remove(filepath.Join(gamePath, "hdifffiles.json"))
+	return true, "patching completed"
+}
+
+func (h *DiffService) DeleteFiles(gamePath string) (bool, string) {
+	var deleteFiles []string
+
+	file, err := os.Open(filepath.Join(gamePath, "deletefiles.txt"))
+	if err != nil {
+		return false, ""
+	}
+	defer file.Close()
+
+	scanner := bufio.NewScanner(file)
+	for scanner.Scan() {
+		line := strings.TrimSpace(scanner.Text())
+		if line != "" {
+			deleteFiles = append(deleteFiles, line)
+		}
+	}
+
+	if err := scanner.Err(); err != nil {
+		file.Close()
+		return false, "no delete files exist"
+	}
+
+	file.Close()
+
+	for i, file := range deleteFiles {
+		os.Remove(filepath.Join(gamePath, file))
+		application.Get().Event.Emit("diff:progress", map[string]int{"progress": i, "maxProgress": len(deleteFiles)})
+	}
+	os.Remove(filepath.Join(gamePath, "deletefiles.txt"))
+	return true, ""
+}
--- a/internal/diff-service/ldifff.go
+++ b/internal/diff-service/ldifff.go
@@ -0,0 +1,172 @@
+package diffService
+
+import (
+	"firefly-launcher/pkg/firefly"
+	"firefly-launcher/pkg/firefly/pb"
+	"firefly-launcher/pkg/hpatchz"
+	"firefly-launcher/pkg/models"
+	"fmt"
+	"os"
+	"path/filepath"
+	"strings"
+	"sync"
+
+	"github.com/wailsapp/wails/v3/pkg/application"
+)
+
+func (h *DiffService) LDiffPatchData(gamePath string) (bool, string) {
+	entries, err := os.ReadDir(gamePath)
+	if err != nil {
+		return false, err.Error()
+	}
+	ldiffPath := filepath.Join(gamePath, "ldiff")
+
+	for _, entry := range entries {
+		if entry.IsDir() {
+			continue
+		}
+		if !entry.Type().IsRegular() {
+			continue
+		}
+
+		name := entry.Name()
+		if strings.HasPrefix(name, "manifest") {
+			manifestName := entry.Name()
+			manifestPath := filepath.Join(gamePath, manifestName)
+
+			manifest, err := firefly.LoadManifestProto(manifestPath)
+			if err != nil {
+				continue
+			}
+
+			ldiffEntries, err := os.ReadDir(ldiffPath)
+			if err != nil {
+				return false, err.Error()
+			}
+			application.Get().Event.Emit("diff:stage", map[string]string{"stage": "Processing LDiff"})
+			for i, ldiffEntry := range ldiffEntries {
+				assetName := ldiffEntry.Name()
+				var matchingAssets []struct {
+					AssetName string
+					AssetSize int64
+					Asset     *pb.AssetManifest
+				}
+
+				application.Get().Event.Emit(
+					"diff:progress", map[string]int{
+						"progress":    i,
+						"maxProgress": len(ldiffEntries),
+					})
+
+				var wg sync.WaitGroup
+				var mu sync.Mutex
+
+				for _, assetGroup := range manifest.Assets {
+					assetGroup := assetGroup
+					wg.Go(func() {
+						if data := assetGroup.AssetData; data != nil {
+							for _, asset := range data.Assets {
+								if asset.ChunkFileName == assetName {
+									mu.Lock()
+									matchingAssets = append(matchingAssets, struct {
+										AssetName string
+										AssetSize int64
+										Asset     *pb.AssetManifest
+									}{assetGroup.AssetName, assetGroup.AssetSize, asset})
+									mu.Unlock()
+								}
+							}
+						}
+					})
+				}
+
+				wg.Wait()
+
+				for _, ma := range matchingAssets {
+					err := firefly.LDiffFile(ma.Asset, ma.AssetName, ma.AssetSize, ldiffPath, gamePath)
+					if err != nil {
+						continue
+					}
+				}
+			}
+
+			diffMapNames := make([]string, len(ldiffEntries))
+			for i, e := range ldiffEntries {
+				diffMapNames[i] = e.Name()
+			}
+
+			diffMapList, err := MakeDiffMap(manifest, diffMapNames)
+			if err != nil {
+				return false, err.Error()
+			}
+			application.Get().Event.Emit("diff:stage", map[string]string{"stage": "Patching HDiff"})
+			for i, entry := range diffMapList {
+				application.Get().Event.Emit(
+					"diff:progress", map[string]int{
+						"progress":    i,
+						"maxProgress": len(diffMapList),
+					})
+				sourceFile := filepath.Join(gamePath, entry.SourceFileName)
+				patchFile := filepath.Join(gamePath, entry.PatchFileName)
+				targetFile := filepath.Join(gamePath, entry.TargetFileName)
+
+				if _, err := os.Stat(patchFile); os.IsNotExist(err) {
+					continue
+				}
+
+				if entry.SourceFileName == "" {
+					hpatchz.ApplyPatchEmpty(patchFile, targetFile)
+					os.Remove(patchFile)
+					continue
+				}
+
+				if _, err := os.Stat(sourceFile); os.IsNotExist(err) {
+					continue
+				}
+
+				hpatchz.ApplyPatch(sourceFile, patchFile, targetFile)
+				if entry.SourceFileName != entry.TargetFileName {
+					os.Remove(sourceFile)
+				}
+				os.Remove(patchFile)
+			}
+
+		}
+	}
+	os.RemoveAll(ldiffPath)
+	return true, "patching completed"
+}
+
+func MakeDiffMap(manifest *pb.ManifestProto, chunkNames []string) ([]*models.HDiffData, error) {
+	var hdiffFiles []*models.HDiffData
+
+	for _, asset := range manifest.Assets {
+		assetName := asset.AssetName
+		assetSize := asset.AssetSize
+
+		if asset.AssetData != nil {
+			for _, chunk := range asset.AssetData.Assets {
+				matched := false
+				for _, name := range chunkNames {
+					if name == chunk.ChunkFileName {
+						matched = true
+						break
+					}
+				}
+				if !matched {
+					continue
+				}
+
+				if chunk.OriginalFileSize != 0 || chunk.HdiffFileSize != assetSize {
+					hdiffFiles = append(hdiffFiles, &models.HDiffData{
+						SourceFileName: chunk.OriginalFilePath,
+						TargetFileName: assetName,
+						PatchFileName:  fmt.Sprintf("%s.hdiff", assetName),
+					})
+				}
+			}
+		}
+	}
+
+	return hdiffFiles, nil
+}
--- a/internal/diff-service/utils.go
+++ b/internal/diff-service/utils.go
@@ -0,0 +1,87 @@
+package diffService
+
+import (
+	"firefly-launcher/pkg/constant"
+	"firefly-launcher/pkg/sevenzip"
+	"io"
+	"os"
+	"path/filepath"
+
+	"github.com/wailsapp/wails/v3/pkg/application"
+)
+
+func (h *DiffService) DataExtract(gamePath, patchPath string) (bool, string) {
+	os.RemoveAll(constant.TempUrl)
+	if _, err := os.Stat(gamePath); err != nil {
+		return false, err.Error()
+	}
+
+	if _, err := os.Stat(patchPath); err != nil {
+		return false, err.Error()
+	}
+
+	if _, err := os.Stat(constant.TempUrl); os.IsNotExist(err) {
+		if err := os.MkdirAll(constant.TempUrl, os.ModePerm); err != nil {
+			return false, err.Error()
+		}
+	}
+
+	if err := sevenzip.ExtractAllFilesFromZip(patchPath, constant.TempUrl); err != nil {
+		os.RemoveAll(constant.TempUrl)
+		return false, err.Error()
+	}
+	return true, "extract completed"
+}
+
+func (h *DiffService) CutData(gamePath string) (bool, string) {
+	if _, err := os.Stat(constant.TempUrl); os.IsNotExist(err) {
+		return false, err.Error()
+	}
+
+	err := filepath.Walk(constant.TempUrl, func(path string, info os.FileInfo, err error) error {
+		if err != nil {
+			return err
+		}
+
+		relPath, err := filepath.Rel(constant.TempUrl, path)
+		if err != nil {
+			return err
+		}
+		destPath := filepath.Join(gamePath, relPath)
+		application.Get().Event.Emit("diff:message", map[string]string{"message": destPath})
+		if info.IsDir() {
+			return os.MkdirAll(destPath, os.ModePerm)
+		}
+
+		if err := os.MkdirAll(filepath.Dir(destPath), os.ModePerm); err != nil {
+			return err
+		}
+
+		if err := os.Rename(path, destPath); err != nil {
+			srcFile, err := os.Open(path)
+			if err != nil {
+				return err
+			}
+			defer srcFile.Close()
+
+			dstFile, err := os.Create(destPath)
+			if err != nil {
+				return err
+			}
+			defer dstFile.Close()
+
+			if _, err := io.Copy(dstFile, srcFile); err != nil {
+				return err
+			}
+			os.Remove(path)
+		}
+		return nil
+	})
+
+	if err != nil {
+		os.RemoveAll(constant.TempUrl)
+		return false, err.Error()
+	}
+	os.RemoveAll(constant.TempUrl)
+	return true, "cut completed"
+}
--- a/internal/fs-service/fs.go
+++ b/internal/fs-service/fs.go
@@ -1,4 +1,4 @@
-package internal
+package fsService

 import (
 	"firefly-launcher/pkg/sevenzip"
@@ -30,7 +30,7 @@ func (f *FSService) PickFolder() (string, error) {
 	return "", nil
 }

-func (f *FSService) PickFile() (string, error) {
+func (f *FSService) PickFile(filter string) (string, error) {
 	dialog := application.OpenFileDialog().
 		CanChooseFiles(true).
 		ResolvesAliases(true)
@@ -39,7 +39,9 @@ func (f *FSService) PickFile() (string, error) {
 	} else {
 		dialog.SetTitle("Select a file/directory")
 	}
+	if filter == "exe" {
 		dialog.AddFilter("Executable Files (*.exe)", "*.exe")
+	}
 	if path, err := dialog.PromptForSingleSelection(); err == nil {
 		return path, nil
 	}
--- a/internal/git-service.go
+++ b/internal/git-service.go
@@ -1,282 +0,0 @@
-package internal
-
-import (
-	"encoding/json"
-	"firefly-launcher/pkg/constant"
-	"firefly-launcher/pkg/models"
-	"fmt"
-	"io"
-	"net/http"
-	"os"
-	"path/filepath"
-
-	"github.com/minio/selfupdate"
-	"github.com/wailsapp/wails/v3/pkg/application"
-)
-
-type GitService struct{}
-
-func (g *GitService) GetLatestServerVersion() (bool, string, string) {
-	resp, err := http.Get(constant.ServerGitUrl)
-	if err != nil {
-		return false, "", err.Error()
-	}
-	defer resp.Body.Close()
-
-	body, _ := io.ReadAll(resp.Body)
-
-	var releases []models.ReleaseType
-	err = json.Unmarshal(body, &releases)
-	if err != nil {
-		return false, "", err.Error()
-	}
-
-	if len(releases) == 0 {
-		return false, "", "no releases found"
-	}
-
-	return true, releases[0].TagName, ""
-}
-
-func (g *GitService) DownloadServerProgress(version string) (bool, string) {
-	resp, err := http.Get(constant.ServerGitUrl)
-	if err != nil {
-		panic(err)
-	}
-	defer resp.Body.Close()
-
-	body, _ := io.ReadAll(resp.Body)
-
-	var releases []*models.ReleaseType
-	err = json.Unmarshal(body, &releases)
-	if err != nil {
-		return false, err.Error()
-	}
-
-	if len(releases) == 0 {
-		return false, "no releases found"
-	}
-
-	var releaseData *models.ReleaseType
-	for _, release := range releases {
-		if release.TagName == version {
-			releaseData = release
-			break
-		}
-	}
-
-	if releaseData == nil || releaseData.TagName == "" {
-		return false, "no release found"
-	}
-
-	var assetWin models.AssetType
-	for _, asset := range releaseData.Assets {
-		if asset.Name == constant.ServerZipFile {
-			assetWin = asset
-			break
-		}
-	}
-
-	if assetWin.Name == "" {
-		return false, "no assets found"
-	}
-
-	if err := os.Mkdir(constant.ServerStorageUrl, 0755); err != nil {
-		if !os.IsExist(err) {
-			return false, err.Error()
-		}
-	}
-
-	saveFile := filepath.Join(constant.ServerStorageUrl, assetWin.Name)
-
-	resp, err = http.Get(assetWin.BrowserDownloadURL)
-	if err != nil {
-		return false, err.Error()
-	}
-	defer resp.Body.Close()
-
-	DownloadFile(saveFile, assetWin.BrowserDownloadURL, func(percent float64, speed float64) {
-		application.Get().Event.Emit("download:server", map[string]interface{}{
-			"percent": fmt.Sprintf("%.2f", percent),
-			"speed":   fmt.Sprintf("%.2f", speed),
-		})
-	})
-	return true, ""
-}
-
-func (g *GitService) UnzipServer() {
-	unzipParallel(filepath.Join(constant.ServerStorageUrl, constant.ServerZipFile), constant.ServerStorageUrl)
-	os.Remove(filepath.Join(constant.ServerStorageUrl, constant.ServerZipFile))
-}
-
-func (g *GitService) GetLatestProxyVersion() (bool, string, string) {
-	resp, err := http.Get(constant.ProxyGitUrl)
-	if err != nil {
-		return false, "", err.Error()
-	}
-	defer resp.Body.Close()
-
-	body, _ := io.ReadAll(resp.Body)
-
-	var releases []models.ReleaseType
-	err = json.Unmarshal(body, &releases)
-	if err != nil {
-		return false, "", err.Error()
-	}
-
-	if len(releases) == 0 {
-		return false, "", "no releases found"
-	}
-
-	return true, releases[0].TagName, ""
-}
-
-func (g *GitService) DownloadProxyProgress(version string) (bool, string) {
-	resp, err := http.Get(constant.ProxyGitUrl)
-	if err != nil {
-		panic(err)
-	}
-	defer resp.Body.Close()
-
-	body, _ := io.ReadAll(resp.Body)
-
-	var releases []*models.ReleaseType
-	err = json.Unmarshal(body, &releases)
-	if err != nil {
-		return false, err.Error()
-	}
-
-	if len(releases) == 0 {
-		return false, "no releases found"
-	}
-
-	var releaseData *models.ReleaseType
-	for _, release := range releases {
-		if release.TagName == version {
-			releaseData = release
-			break
-		}
-	}
-
-	if releaseData == nil || releaseData.TagName == "" {
-		return false, "no release found"
-	}
-
-	var assetWin models.AssetType
-	for _, asset := range releaseData.Assets {
-		if asset.Name == constant.ProxyZipFile {
-			assetWin = asset
-			break
-		}
-	}
-
-	if assetWin.Name == "" {
-		return false, "no assets found"
-	}
-
-	if err := os.Mkdir(constant.ProxyStorageUrl, 0755); err != nil {
-		if !os.IsExist(err) {
-			return false, err.Error()
-		}
-	}
-	saveFile := filepath.Join(constant.ProxyStorageUrl, assetWin.Name)
-
-	resp, err = http.Get(assetWin.BrowserDownloadURL)
-	if err != nil {
-		return false, err.Error()
-	}
-	defer resp.Body.Close()
-
-	DownloadFile(saveFile, assetWin.BrowserDownloadURL, func(percent float64, speed float64) {
-		application.Get().Event.Emit("download:proxy", map[string]interface{}{
-			"percent": fmt.Sprintf("%.2f", percent),
-			"speed":   fmt.Sprintf("%.2f", speed),
-		})
-
-	})
-	return true, ""
-}
-
-func (g *GitService) UnzipProxy() {
-	unzipParallel(filepath.Join(constant.ProxyStorageUrl, constant.ProxyZipFile), constant.ProxyStorageUrl)
-	os.Remove(filepath.Join(constant.ProxyStorageUrl, constant.ProxyZipFile))
-}
-
-func (g *GitService) GetLatestLauncherVersion() (bool, string, string) {
-	resp, err := http.Get(constant.LauncherGitUrl)
-	if err != nil {
-		return false, "", err.Error()
-	}
-	defer resp.Body.Close()
-
-	body, _ := io.ReadAll(resp.Body)
-
-	var releases []models.ReleaseType
-	err = json.Unmarshal(body, &releases)
-	if err != nil {
-		return false, "", err.Error()
-	}
-
-	if len(releases) == 0 {
-		return false, "", "no releases found"
-	}
-
-	return true, releases[0].TagName, ""
-}
-
-
-
-func (g *GitService) UpdateLauncherProgress(version string) (bool, string) {
-	resp, err := http.Get(constant.LauncherGitUrl)
-	if err != nil {
-		panic(err)
-	}
-	defer resp.Body.Close()
-
-	body, _ := io.ReadAll(resp.Body)
-
-	var releases []*models.ReleaseType
-	err = json.Unmarshal(body, &releases)
-	if err != nil {
-		return false, err.Error()
-	}
-
-	if len(releases) == 0 {
-		return false, "no releases found"
-	}
-
-	var releaseData *models.ReleaseType
-	for _, release := range releases {
-		if release.TagName == version {
-			releaseData = release
-			break
-		}
-	}
-
-	if releaseData == nil || releaseData.TagName == "" {
-		return false, "no release found"
-	}
-
-	var assetWin models.AssetType
-	for _, asset := range releaseData.Assets {
-		if asset.Name == constant.LauncherFile {
-			assetWin = asset
-			break
-		}
-	}
-
-	if assetWin.Name == "" {
-		return false, "no assets found"
-	}
-
-	resp, err = http.Get(assetWin.BrowserDownloadURL)
-	if err != nil {
-		return false, err.Error()
-	}
-	defer resp.Body.Close()
-	err = selfupdate.Apply(resp.Body, selfupdate.Options{})
-	if err != nil {
-		return false, err.Error()
-	}
-	return true, ""
-}
--- a/internal/git-service/launcher.go
+++ b/internal/git-service/launcher.go
@@ -0,0 +1,57 @@
+package gitService
+
+import (
+	"encoding/json"
+	"firefly-launcher/pkg/constant"
+	"firefly-launcher/pkg/models"
+	"io"
+	"net/http"
+	"github.com/minio/selfupdate"
+
+)
+
+type GitService struct{}
+
+
+func (g *GitService) GetLatestLauncherVersion() (bool, string, string) {
+	resp, err := http.Get(constant.LauncherGitUrl)
+	if err != nil {
+		return false, "", err.Error()
+	}
+	defer resp.Body.Close()
+
+	body, _ := io.ReadAll(resp.Body)
+
+	var releases []models.ReleaseType
+	err = json.Unmarshal(body, &releases)
+	if err != nil {
+		return false, "", err.Error()
+	}
+
+	if len(releases) == 0 {
+		return false, "", "no releases found"
+	}
+
+	return true, releases[0].TagName, ""
+}
+
+
+
+func (g *GitService) UpdateLauncherProgress(version string) (bool, string) {
+	asset, ok := g.getReleaseAsset(version, constant.LauncherGitUrl, constant.LauncherFile)
+	if !ok {
+		return false, "no release found"
+	}
+
+	resp, err := http.Get(asset.BrowserDownloadURL)
+	if err != nil {
+		return false, err.Error()
+	}
+	defer resp.Body.Close()
+
+	err = selfupdate.Apply(resp.Body, selfupdate.Options{})
+	if err != nil {
+		return false, err.Error()
+	}
+	return true, ""
+}
--- a/internal/git-service/proxy.go
+++ b/internal/git-service/proxy.go
@@ -0,0 +1,71 @@
+package gitService
+
+import (
+	"encoding/json"
+	"firefly-launcher/pkg/constant"
+	"firefly-launcher/pkg/models"
+	"fmt"
+	"io"
+	"net/http"
+	"os"
+	"path/filepath"
+	"time"
+
+	"github.com/wailsapp/wails/v3/pkg/application"
+)
+
+func (g *GitService) GetLatestProxyVersion() (bool, string, string) {
+	resp, err := http.Get(constant.ProxyGitUrl)
+	if err != nil {
+		return false, "", err.Error()
+	}
+	defer resp.Body.Close()
+
+	body, _ := io.ReadAll(resp.Body)
+
+	var releases []models.ReleaseType
+	err = json.Unmarshal(body, &releases)
+	if err != nil {
+		return false, "", err.Error()
+	}
+
+	if len(releases) == 0 {
+		return false, "", "no releases found"
+	}
+
+	return true, releases[0].TagName, ""
+}
+
+func (g *GitService) DownloadProxyProgress(version string) (bool, string) {
+	asset, ok := g.getReleaseAsset(version, constant.ProxyGitUrl, constant.ProxyZipFile)
+	if !ok {
+		return false, "no release found"
+	}
+
+	if err := os.MkdirAll(constant.ProxyStorageUrl, 0755); err != nil {
+		return false, err.Error()
+	}
+
+	saveFile := filepath.Join(constant.ProxyStorageUrl, asset.Name)
+	tmpPath, err := g.downloadFileParallel(saveFile, asset.BrowserDownloadURL, 4, func(percent float64, speed string) {
+		application.Get().Event.Emit("download:proxy", map[string]interface{}{
+			"percent": fmt.Sprintf("%.2f", percent),
+			"speed":   speed,
+		})
+	})
+	if err != nil {
+		return false, err.Error()
+	}
+	for i := 0; i < 3; i++ {
+		if err := os.Rename(tmpPath, saveFile); err == nil {
+			return true, ""
+		}
+		time.Sleep(300 * time.Millisecond)
+	}
+	return false, "failed to rename tmp file after retries"
+}
+
+func (g *GitService) UnzipProxy() {
+	g.unzipParallel(filepath.Join(constant.ProxyStorageUrl, constant.ProxyZipFile), constant.ProxyStorageUrl)
+	os.Remove(filepath.Join(constant.ProxyStorageUrl, constant.ProxyZipFile))
+}
--- a/internal/git-service/server.go
+++ b/internal/git-service/server.go
@@ -0,0 +1,71 @@
+package gitService
+
+import (
+	"encoding/json"
+	"firefly-launcher/pkg/constant"
+	"firefly-launcher/pkg/models"
+	"fmt"
+	"io"
+	"net/http"
+	"os"
+	"path/filepath"
+	"time"
+
+	"github.com/wailsapp/wails/v3/pkg/application"
+)
+
+func (g *GitService) GetLatestServerVersion() (bool, string, string) {
+	resp, err := http.Get(constant.ServerGitUrl)
+	if err != nil {
+		return false, "", err.Error()
+	}
+	defer resp.Body.Close()
+
+	body, _ := io.ReadAll(resp.Body)
+
+	var releases []models.ReleaseType
+	err = json.Unmarshal(body, &releases)
+	if err != nil {
+		return false, "", err.Error()
+	}
+
+	if len(releases) == 0 {
+		return false, "", "no releases found"
+	}
+
+	return true, releases[0].TagName, ""
+}
+
+func (g *GitService) DownloadServerProgress(version string) (bool, string) {
+	asset, ok := g.getReleaseAsset(version, constant.ServerGitUrl, constant.ServerZipFile)
+	if !ok {
+		return false, "no release found"
+	}
+
+	if err := os.MkdirAll(constant.ServerStorageUrl, 0755); err != nil {
+		return false, err.Error()
+	}
+
+	saveFile := filepath.Join(constant.ServerStorageUrl, asset.Name)
+	tmpPath, err := g.downloadFileParallel(saveFile, asset.BrowserDownloadURL, 4, func(percent float64, speed string) {
+		application.Get().Event.Emit("download:server", map[string]interface{}{
+			"percent": fmt.Sprintf("%.2f", percent),
+			"speed":   speed,
+		})
+	})
+	if err != nil {
+		return false, err.Error()
+	}
+	for i := 0; i < 3; i++ {
+		if err := os.Rename(tmpPath, saveFile); err == nil {
+			return true, ""
+		}
+		time.Sleep(300 * time.Millisecond)
+	}
+	return false, "failed to rename tmp file after retries"
+}
+
+func (g *GitService) UnzipServer() {
+	g.unzipParallel(filepath.Join(constant.ServerStorageUrl, constant.ServerZipFile), constant.ServerStorageUrl)
+	os.Remove(filepath.Join(constant.ServerStorageUrl, constant.ServerZipFile))
+}
--- a/internal/git-service/util.go
+++ b/internal/git-service/util.go
@@ -0,0 +1,251 @@
+package gitService
+
+import (
+	"archive/zip"
+	"encoding/json"
+	"firefly-launcher/pkg/models"
+	"fmt"
+	"io"
+	"math"
+	"net/http"
+	"os"
+	"path/filepath"
+	"runtime"
+	"sync"
+	"time"
+
+)
+
+func HumanFormat(bytes float64) string {
+	if math.IsNaN(bytes) || math.IsInf(bytes, 0) {
+		return fmt.Sprintf("%v", bytes)
+	}
+	if bytes == 0 {
+		return "0B"
+	}
+
+	neg := bytes < 0
+	if neg {
+		bytes = -bytes
+	}
+
+	units := []string{"B", "KiB", "MiB", "GiB", "TiB", "PiB", "EiB"}
+	i := 0
+	for bytes >= 1024 && i < len(units)-1 {
+		bytes /= 1024
+		i++
+	}
+
+	res := fmt.Sprintf("%.1f%s", bytes, units[i])
+	if neg {
+		res = "-" + res
+	}
+	return res
+}
+
+type WriteCounter struct {
+	Total     uint64
+	StartTime time.Time
+	OnEmit    func(percent float64, speed string)
+	TotalSize int64
+	mu        sync.Mutex
+}
+
+func NewWriteCounter(total int64, onEmit func(percent float64, speed string)) *WriteCounter {
+	return &WriteCounter{
+		StartTime: time.Now(),
+		TotalSize: total,
+		OnEmit:    onEmit,
+	}
+}
+
+func (wc *WriteCounter) Add(n int) {
+	wc.mu.Lock()
+	defer wc.mu.Unlock()
+	wc.Total += uint64(n)
+	wc.PrintProgress()
+}
+
+func (wc *WriteCounter) PrintProgress() {
+	elapsed := time.Since(wc.StartTime).Seconds()
+	if elapsed < 0.001 {
+		elapsed = 0.001
+	}
+	speed := float64(wc.Total) / elapsed
+	percent := float64(wc.Total) / float64(wc.TotalSize) * 100
+	if wc.OnEmit != nil {
+		wc.OnEmit(percent, fmt.Sprintf("%s/s", HumanFormat(speed)))
+	}
+}
+
+func (g *GitService) downloadFileParallel(filePath, url string, numParts int, onEmit func(percent float64, speed string)) (tmpPath string, err error) {
+	resp, err := http.Head(url)
+	if err != nil {
+		return "", fmt.Errorf("failed to get head: %w", err)
+	}
+	if resp.StatusCode != http.StatusOK {
+		return "", fmt.Errorf("bad status: %s", resp.Status)
+	}
+
+	size := resp.ContentLength
+	tmpPath = filePath + ".tmp"
+
+	out, err := os.Create(tmpPath)
+	if err != nil {
+		return "", fmt.Errorf("failed to create tmp file: %w", err)
+	}
+	defer out.Close()
+
+	counter := NewWriteCounter(size, onEmit)
+	partSize := size / int64(numParts)
+	var wg sync.WaitGroup
+	var mu sync.Mutex
+
+	for i := 0; i < numParts; i++ {
+		start := int64(i) * partSize
+		end := start + partSize - 1
+		if i == numParts-1 {
+			end = size - 1
+		}
+
+		_ = start
+		_ = end
+
+		wg.Go(func() {
+			req, _ := http.NewRequest("GET", url, nil)
+			req.Header.Set("Range", fmt.Sprintf("bytes=%d-%d", start, end))
+			resp, err := http.DefaultClient.Do(req)
+			if err != nil {
+				return
+			}
+			defer resp.Body.Close()
+
+			buf := make([]byte, 32*1024)
+			var written int64
+			for {
+				n, err := resp.Body.Read(buf)
+				if n > 0 {
+					mu.Lock()
+					out.Seek(start+written, 0)
+					out.Write(buf[:n])
+					mu.Unlock()
+					written += int64(n)
+					counter.Add(n)
+				}
+				if err == io.EOF {
+					break
+				}
+				if err != nil {
+					break
+				}
+			}
+		})
+	}
+
+	wg.Wait()
+	return tmpPath, nil
+}
+
+// --- Helper getReleaseAsset ---
+func (g *GitService) getReleaseAsset(version, url, fileName string) (models.AssetType, bool) {
+	resp, err := http.Get(url)
+	if err != nil {
+		return models.AssetType{}, false
+	}
+	defer resp.Body.Close()
+
+	body, _ := io.ReadAll(resp.Body)
+	var releases []*models.ReleaseType
+	if err := json.Unmarshal(body, &releases); err != nil || len(releases) == 0 {
+		return models.AssetType{}, false
+	}
+
+	for _, release := range releases {
+		if release.TagName == version {
+			for _, asset := range release.Assets {
+				if asset.Name == fileName {
+					return asset, true
+				}
+			}
+		}
+	}
+	return models.AssetType{}, false
+}
+
+func (g *GitService) unzipParallel(src string, dest string) error {
+	numCPU := runtime.NumCPU()
+
+	reserved := 1
+	if numCPU > 4 {
+		reserved = 2
+	}
+	maxWorkers := numCPU - reserved
+	if maxWorkers < 1 {
+		maxWorkers = 1
+	}
+	r, err := zip.OpenReader(src)
+	if err != nil {
+		return err
+	}
+	defer r.Close()
+
+	err = os.MkdirAll(dest, 0755)
+	if err != nil {
+		return err
+	}
+
+	type job struct {
+		f *zip.File
+	}
+	jobs := make(chan job)
+	var wg sync.WaitGroup
+
+	for i := 0; i < maxWorkers; i++ {
+
+		wg.Go(func() {
+			for j := range jobs {
+				err := g.extractFile(j.f, dest)
+				if err != nil {
+					fmt.Printf("Error extracting %s: %v\n", j.f.Name, err)
+				}
+			}
+		})
+	}
+
+	for _, f := range r.File {
+		jobs <- job{f}
+	}
+	close(jobs)
+
+	wg.Wait()
+
+	return nil
+}
+
+func (g *GitService) extractFile(f *zip.File, dest string) error {
+	fp := filepath.Join(dest, f.Name)
+
+	if f.FileInfo().IsDir() {
+		return os.MkdirAll(fp, f.Mode())
+	}
+
+	err := os.MkdirAll(filepath.Dir(fp), 0755)
+	if err != nil {
+		return err
+	}
+
+	rc, err := f.Open()
+	if err != nil {
+		return err
+	}
+	defer rc.Close()
+
+	out, err := os.OpenFile(fp, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, f.Mode())
+	if err != nil {
+		return err
+	}
+	defer out.Close()
+
+	_, err = io.Copy(out, rc)
+	return err
+}
--- a/internal/hdiffz-service.go
+++ b/internal/hdiffz-service.go
@@ -1,270 +0,0 @@
-package internal
-
-import (
-	"bufio"
-	"encoding/json"
-	"firefly-launcher/pkg/constant"
-	"firefly-launcher/pkg/models"
-	"firefly-launcher/pkg/sevenzip"
-	"firefly-launcher/pkg/verifier"
-	"firefly-launcher/pkg/hpatchz"
-	"fmt"
-	"io"
-	"os"
-	"path/filepath"
-	"strings"
-
-	"github.com/wailsapp/wails/v3/pkg/application"
-)
-
-type HdiffzService struct{}
-
-func (h *HdiffzService) CheckTypeHDiff(patchPath string) (bool, string, string) {
-	isFileInTxt, _ := sevenzip.IsFileIn7z(patchPath, "hdifffiles.txt")
-	if isFileInTxt {
-		return true, "hdifffiles.txt", ""
-	}
-	isFileInJson, _ := sevenzip.IsFileIn7z(patchPath, "hdiffmap.json")
-	if isFileInJson {
-		return true, "hdiffmap.json", ""
-	}
-	return false, "", "not found hdifffiles.txt or hdiffmap.json"
-}
-
-func (h *HdiffzService) VersionValidate(gamePath, patchPath string) (bool, string) {
-	oldVersionData, err := models.ParseBinaryVersion(filepath.Join(gamePath, "StarRail_Data\\StreamingAssets\\BinaryVersion.bytes"))
-	if err != nil {
-		return false, err.Error()
-	}
-
-	if _, err := os.Stat(patchPath); err != nil {
-		return false, err.Error()
-	}
-
-	if _, err := os.Stat(constant.TempUrl); os.IsNotExist(err) {
-		if err := os.MkdirAll(constant.TempUrl, os.ModePerm); err != nil {
-			return false, err.Error()
-		}
-	}
-	if err := sevenzip.ExtractAFileFromZip(patchPath, "StarRail_Data\\StreamingAssets\\BinaryVersion.bytes", constant.TempUrl); err != nil {
-		return false, err.Error()
-	}
-
-	binPath := filepath.Join(constant.TempUrl, "BinaryVersion.bytes")
-	newVersionData, err := models.ParseBinaryVersion(binPath)
-	if err != nil {
-		return false, err.Error()
-	}
-	defer os.Remove(binPath)
-
-	v := newVersionData.Subtract(*oldVersionData)
-	if v != 0 && v != 1 {
-		return false, fmt.Sprintf("the diff version %s not valid with game version %s", newVersionData, oldVersionData)
-	}
-
-	return true, "validated"
-}
-
-func (h *HdiffzService) DataExtract(gamePath, patchPath string, isSkipVerify bool) (bool, string) {
-	if _, err := os.Stat(gamePath); err != nil {
-		return false, err.Error()
-	}
-
-	if _, err := os.Stat(patchPath); err != nil {
-		return false, err.Error()
-	}
-
-	if _, err := os.Stat(constant.TempUrl); os.IsNotExist(err) {
-		if err := os.MkdirAll(constant.TempUrl, os.ModePerm); err != nil {
-			return false, err.Error()
-		}
-	}
-
-	if err := sevenzip.ExtractAllFilesFromZip(patchPath, constant.TempUrl); err != nil {
-		os.RemoveAll(constant.TempUrl)
-		return false, err.Error()
-	}
-
-	if !isSkipVerify {
-		validator, err := verifier.NewVerifier(gamePath, constant.TempUrl)
-		if err != nil {
-			os.RemoveAll(constant.TempUrl)
-			return false, err.Error()
-		}
-
-		if err := validator.VerifyAll(); err != nil {
-			os.RemoveAll(constant.TempUrl)
-			return false, err.Error()
-		}
-	}
-
-	return true, "validated"
-}
-
-func (h *HdiffzService) CutData(gamePath string) (bool, string) {
-	if _, err := os.Stat(constant.TempUrl); os.IsNotExist(err) {
-		return false, err.Error()
-	}
-
-	err := filepath.Walk(constant.TempUrl, func(path string, info os.FileInfo, err error) error {
-		if err != nil {
-			return err
-		}
-
-		relPath, err := filepath.Rel(constant.TempUrl, path)
-		if err != nil {
-			return err
-		}
-		destPath := filepath.Join(gamePath, relPath)
-		application.Get().Event.Emit("hdiffz:message", map[string]string{"message": destPath})
-		if info.IsDir() {
-			return os.MkdirAll(destPath, os.ModePerm)
-		}
-
-		if err := os.MkdirAll(filepath.Dir(destPath), os.ModePerm); err != nil {
-			return err
-		}
-
-		if err := os.Rename(path, destPath); err != nil {
-			srcFile, err := os.Open(path)
-			if err != nil {
-				return err
-			}
-			defer srcFile.Close()
-
-			dstFile, err := os.Create(destPath)
-			if err != nil {
-				return err
-			}
-			defer dstFile.Close()
-
-			if _, err := io.Copy(dstFile, srcFile); err != nil {
-				return err
-			}
-			_ = os.Remove(path)
-		}
-		return nil
-	})
-
-	if err != nil {
-		return false, err.Error()
-	}
-
-	return true, "cut completed"
-}
-
-func (h *HdiffzService) PatchData(gamePath string) (bool, string) {
-	hdiffMapPath := filepath.Join(gamePath, "hdiffmap.json")
-	hdiffFilesPath := filepath.Join(gamePath, "hdifffiles.txt")
-
-	var jsonData struct {
-		DiffMap []*models.HDiffData `json:"diff_map"`
-	}
-
-	if _, err := os.Stat(hdiffMapPath); err == nil {
-		data, err := os.ReadFile(hdiffMapPath)
-		if err != nil {
-			return false, err.Error()
-		}
-
-		var jsonDataDiffMap struct {
-			DiffMap []*models.DiffMapType `json:"diff_map"`
-		}
-		if err := json.Unmarshal(data, &jsonDataDiffMap); err != nil {
-			return false, err.Error()
-		}
-		for _, entry := range jsonDataDiffMap.DiffMap {
-			jsonData.DiffMap = append(jsonData.DiffMap, entry.ToHDiffData())
-		}
-	} else if _, err := os.Stat(hdiffFilesPath); err == nil {
-		files, err := models.LoadHDiffFiles(hdiffFilesPath)
-		if err != nil {
-			return false, err.Error()
-		}
-		for _, entry := range files {
-			jsonData.DiffMap = append(jsonData.DiffMap, entry.ToHDiffData())
-		}
-	} else {
-		return false, "no hdiff entries map exist"
-	}
-
-	for i, entry := range jsonData.DiffMap {
-		application.Get().Event.Emit(
-			"hdiffz:progress", map[string]int{
-				"progress":    i,
-				"maxProgress": len(jsonData.DiffMap),
-			})
-
-		sourceFile := filepath.Join(gamePath, entry.SourceFileName)
-		patchFile := filepath.Join(gamePath, entry.PatchFileName)
-		targetFile := filepath.Join(gamePath, entry.TargetFileName)
-
-		// Check patch file tồn tại chưa
-		if _, err := os.Stat(patchFile); os.IsNotExist(err) {
-			continue
-		}
-
-		// Nếu không có source file hoặc SourceFileName rỗng → apply_patch_empty
-		if entry.SourceFileName == "" {
-			err := hpatchz.ApplyPatchEmpty(patchFile, targetFile)
-			if err != nil {
-				fmt.Printf("%s failed to patch! %v\n", entry.TargetFileName, err)
-				_ = os.Remove(patchFile)
-				return false, err.Error()
-			}
-			_ = os.Remove(patchFile)
-			continue
-		}
-
-		if _, err := os.Stat(sourceFile); os.IsNotExist(err) {
-			continue
-		}
-
-		// Có source file → apply_patch
-		err := hpatchz.ApplyPatch(sourceFile, patchFile, targetFile)
-		if err != nil {
-			fmt.Printf("%s failed to patch! %v\n", entry.TargetFileName, err)
-			_ = os.Remove(patchFile)
-			return false, err.Error()
-		}
-
-		if entry.SourceFileName != entry.TargetFileName {
-			_ = os.Remove(sourceFile)
-		}
-		_ = os.Remove(patchFile)
-	}
-
-	os.Remove(filepath.Join(gamePath, "hdiffmap.json"))
-	os.Remove(filepath.Join(gamePath, "hdifffiles.txt"))
-	return true, "patching completed"
-}
-
-func (h *HdiffzService) DeleteFiles(gamePath string) (bool, string) {
-	var deleteFiles []string
-
-	file, err := os.Open(filepath.Join(gamePath, "deletefiles.txt"))
-	if err != nil {
-		return false, ""
-	}
-	defer file.Close()
-
-	scanner := bufio.NewScanner(file)
-	for scanner.Scan() {
-		line := strings.TrimSpace(scanner.Text())
-		if line != "" {
-			deleteFiles = append(deleteFiles, line)
-		}
-	}
-
-	if err := scanner.Err(); err != nil {
-		return false, "no delete files exist"
-	}
-
-	for i, file := range deleteFiles {
-		os.Remove(filepath.Join(gamePath, file))
-		application.Get().Event.Emit("hdiffz:progress", map[string]int{"progress": i, "maxProgress": len(deleteFiles)})
-	}
-	_ = os.Remove(filepath.Join(gamePath, "deletefiles.txt"))
-	return true, ""
-}
-
--- a/internal/language-service/language.go
+++ b/internal/language-service/language.go
@@ -1,4 +1,4 @@
-package internal
+package languageService

 import (
 	"bytes"
--- a/internal/ldifff-service.go
+++ b/internal/ldifff-service.go
@@ -1 +0,0 @@
-package internal
--- a/internal/util.go
+++ b/internal/util.go
@@ -1,188 +0,0 @@
-package internal
-
-import (
-	"archive/zip"
-	"fmt"
-	"io"
-	"math"
-	"net/http"
-	"os"
-	"path/filepath"
-	"runtime"
-	"sync"
-	"time"
-)
-
-func humanFormat(bytes int64) string {
-	n := float64(bytes)
-	for _, unit := range []string{"", "Ki", "Mi", "Gi"} {
-		if math.Abs(n) < 1024.0 {
-			return fmt.Sprintf("%3.1f%sB", n, unit)
-		}
-		n /= 1024.0
-	}
-	return fmt.Sprintf("%.1fTiB", n)
-}
-
-type WriteCounter struct {
-	Total             uint64
-	StartTime         time.Time
-	OnEmit            func(percent float64, speedMBps float64)
-	TotalSize         int64
-	lastLoggedPercent int
-}
-
-func NewWriteCounter(total int64, onEmit func(percent float64, speedMBps float64)) *WriteCounter {
-	return &WriteCounter{
-		StartTime:         time.Now(),
-		TotalSize:         total,
-		lastLoggedPercent: -1,
-		OnEmit:            onEmit,
-	}
-}
-
-func (wc *WriteCounter) Write(p []byte) (int, error) {
-	n := len(p)
-	wc.Total += uint64(n)
-	wc.PrintProgress()
-	return n, nil
-}
-
-func (wc *WriteCounter) PrintProgress() {
-	elapsed := time.Since(wc.StartTime).Seconds()
-	if elapsed < 0.001 {
-		elapsed = 0.001
-	}
-
-	speed := float64(wc.Total) / 1024 / 1024 / elapsed // MB/s
-	percent := float64(wc.Total) / float64(wc.TotalSize) * 100
-	if wc.OnEmit != nil {
-		wc.OnEmit(percent, speed)
-	}
-}
-
-func DownloadFile(filepath string, url string, onEmit func(percent float64, speed float64)) error {
-	tmpPath := filepath + ".tmp"
-
-	resp, err := http.Get(url)
-	if err != nil {
-		return fmt.Errorf("failed to get file: %w", err)
-	}
-	defer resp.Body.Close()
-
-	if resp.StatusCode != http.StatusOK {
-		return fmt.Errorf("bad status: %s", resp.Status)
-	}
-
-	out, err := os.Create(tmpPath)
-	if err != nil {
-		return fmt.Errorf("failed to create tmp file: %w", err)
-	}
-
-	counter := NewWriteCounter(resp.ContentLength, onEmit)
-	_, err = io.Copy(out, io.TeeReader(resp.Body, counter))
-	if closeErr := out.Close(); closeErr != nil {
-		return fmt.Errorf("failed to close tmp file: %w", closeErr)
-	}
-	if err != nil {
-		return fmt.Errorf("failed to download file: %w", err)
-	}
-
-	// Delete destination file if it exists
-	if _, err := os.Stat(filepath); err == nil {
-		if err := os.Remove(filepath); err != nil {
-			return fmt.Errorf("failed to remove existing file: %w", err)
-		}
-	}
-
-	for i := 0; i < 3; i++ {
-		err = os.Rename(tmpPath, filepath)
-		if err == nil {
-			break
-		}
-		time.Sleep(300 * time.Millisecond)
-	}
-	if err != nil {
-		return fmt.Errorf("failed to rename after retries: %w", err)
-	}
-
-	return nil
-}
-
-func unzipParallel(src string, dest string) error {
-	numCPU := runtime.NumCPU()
-
-	reserved := 1
-	if numCPU > 4 {
-		reserved = 2
-	}
-	maxWorkers := numCPU - reserved
-	if maxWorkers < 1 {
-		maxWorkers = 1
-	}
-	r, err := zip.OpenReader(src)
-	if err != nil {
-		return err
-	}
-	defer r.Close()
-
-	err = os.MkdirAll(dest, 0755)
-	if err != nil {
-		return err
-	}
-
-	type job struct {
-		f *zip.File
-	}
-	jobs := make(chan job)
-	var wg sync.WaitGroup
-
-	// Worker pool
-	for i := 0; i < maxWorkers; i++ {
-		wg.Go(func() {
-			for j := range jobs {
-				err := extractFile(j.f, dest)
-				if err != nil {
-					fmt.Printf("Error extracting %s: %v\n", j.f.Name, err)
-				}
-			}
-		})
-	}
-
-	// Feed jobs
-	for _, f := range r.File {
-		jobs <- job{f}
-	}
-	close(jobs)
-	wg.Wait()
-
-	return nil
-}
-
-func extractFile(f *zip.File, dest string) error {
-	fp := filepath.Join(dest, f.Name)
-
-	if f.FileInfo().IsDir() {
-		return os.MkdirAll(fp, f.Mode())
-	}
-
-	err := os.MkdirAll(filepath.Dir(fp), 0755)
-	if err != nil {
-		return err
-	}
-
-	rc, err := f.Open()
-	if err != nil {
-		return err
-	}
-	defer rc.Close()
-
-	out, err := os.OpenFile(fp, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, f.Mode())
-	if err != nil {
-		return err
-	}
-	defer out.Close()
-
-	_, err = io.Copy(out, rc)
-	return err
-}
--- a/main.go
+++ b/main.go
@@ -3,7 +3,13 @@ package main
 import (
 	"embed"
 	_ "embed"
-	"firefly-launcher/internal"
+
+	appService "firefly-launcher/internal/app-service"
+	diffService "firefly-launcher/internal/diff-service"
+	fsService "firefly-launcher/internal/fs-service"
+	gitService "firefly-launcher/internal/git-service"
+	languageService "firefly-launcher/internal/language-service"
+
 	"firefly-launcher/pkg/constant"
 	"fmt"
 	"log"
@@ -63,11 +69,11 @@ func main() {
 		Name:        "firefly-launcher",
 		Description: "Firefly Launcher - Kain",
 		Services: []application.Service{
-			application.NewService(&internal.FSService{}),
-			application.NewService(&internal.LanguageService{}),
-			application.NewService(&internal.GitService{}),
-			application.NewService(&internal.HdiffzService{}),
-			application.NewService(&internal.AppService{}),
+			application.NewService(&fsService.FSService{}),
+			application.NewService(&languageService.LanguageService{}),
+			application.NewService(&gitService.GitService{}),
+			application.NewService(&diffService.DiffService{}),
+			application.NewService(&appService.AppService{}),
 		},
 		Assets: application.AssetOptions{
 			Handler: application.AssetFileServerFS(assets),
@@ -92,7 +98,6 @@ func main() {
 		DevToolsEnabled:  true,
 	})

-
 	err = app.Run()
 	if err != nil {
 		log.Fatal(err)
--- a/pkg/constant/constant.go
+++ b/pkg/constant/constant.go
@@ -10,8 +10,7 @@ const ProxyZipFile = "64bit.zip"
 const LauncherFile = "firefly-launcher.exe"
 const TempUrl = "./temp"

-
-const CurrentLauncherVersion = "1.4.1"
+const CurrentLauncherVersion = "1.9.0"

 type ToolFile string

@@ -20,15 +19,13 @@ const (
 	Tool7zaDLL     ToolFile = "bin/7za.dll"
 	Tool7zxaDLL    ToolFile = "bin/7zxa.dll"
 	ToolHPatchzExe ToolFile = "bin/hpatchz.exe"
-	ToolHDiffzExe  ToolFile = "bin/hdiffz.exe"
 )

 var RequiredFiles = map[ToolFile]string{
-	Tool7zaExe:     "assets/7zip/7za.exe",
-	Tool7zaDLL:     "assets/7zip/7za.dll",
-	Tool7zxaDLL:    "assets/7zip/7zxa.dll",
-	ToolHPatchzExe: "assets/HDiffPatch/hpatchz.exe",
-	ToolHDiffzExe:  "assets/HDiffPatch/hdiffz.exe",
+	Tool7zaExe:     "assets/7za.exe",
+	Tool7zaDLL:     "assets/7za.dll",
+	Tool7zxaDLL:    "assets/7zxa.dll",
+	ToolHPatchzExe: "assets/hpatchz.exe",
 }

 func (t ToolFile) GetEmbedPath() string {
--- a/pkg/firefly/chunk.go
+++ b/pkg/firefly/chunk.go
@@ -0,0 +1,73 @@
+package firefly
+
+import (
+	"fmt"
+	"io"
+	"os"
+	"path/filepath"
+
+	"golang.org/x/exp/mmap"
+)
+
+type ChunkInfo struct {
+	Name   string
+	Offset int64
+	Size   int64
+}
+
+func ProcessWithBufReader(path string, chunks []ChunkInfo) {
+	file, err := os.Open(path)
+	if err != nil {
+		fmt.Printf("Error opening file %s: %v\n", path, err)
+		return
+	}
+	defer file.Close()
+
+	for _, chunk := range chunks {
+		buffer, err := ReadChunkData(file, chunk.Offset, chunk.Size)
+		if err != nil {
+			fmt.Printf("Error reading chunk %s: %v\n", chunk.Name, err)
+			continue
+		}
+
+		assetPath := filepath.Join("chunk_tmp", chunk.Name)
+		parentDir := filepath.Dir(assetPath)
+		if _, err := os.Stat(parentDir); os.IsNotExist(err) {
+			if err := os.MkdirAll(parentDir, 0o755); err != nil {
+				fmt.Printf("Error creating directory %s: %v\n", parentDir, err)
+				continue
+			}
+		}
+
+		if err := os.WriteFile(assetPath, buffer, 0o644); err != nil {
+			fmt.Printf("Error writing chunk file %s: %v\n", assetPath, err)
+		}
+	}
+}
+
+func ReadChunkData(file *os.File, offset, size int64) ([]byte, error) {
+	info, err := file.Stat()
+	if err != nil {
+		return nil, fmt.Errorf("error getting file info: %w", err)
+	}
+
+	if info.Size() > 1024*1024 && size > 1024*1024 {
+		mmapReader, err := mmap.Open(file.Name())
+		if err == nil {
+			defer mmapReader.Close()
+			buffer := make([]byte, size)
+			_, err := mmapReader.ReadAt(buffer, offset)
+			if err != nil && err != io.EOF {
+				return nil, fmt.Errorf("error reading mmap: %w", err)
+			}
+			return buffer, nil
+		}
+	}
+
+	buffer := make([]byte, size)
+	_, err = file.ReadAt(buffer, offset)
+	if err != nil && err != io.EOF {
+		return nil, fmt.Errorf("error reading buffered: %w", err)
+	}
+	return buffer, nil
+}
--- a/pkg/firefly/ldiff.go
+++ b/pkg/firefly/ldiff.go
@@ -0,0 +1,94 @@
+package firefly
+
+import (
+	"firefly-launcher/pkg/firefly/pb"
+	"fmt"
+	"os"
+	"path/filepath"
+
+	"golang.org/x/exp/mmap"
+)
+
+
+func LDiffFile(data *pb.AssetManifest, assetName string, assetSize int64, ldiffsDir, outputDir string) error {
+	path := filepath.Join(ldiffsDir, data.ChunkFileName)
+
+	info, err := os.Stat(path)
+	if err != nil {
+		return fmt.Errorf("%s does not exist: %w", path, err)
+	}
+
+	fileSize := info.Size()
+	var buffer []byte
+
+	if fileSize > 10*1024*1024 && data.HdiffFileSize > 1*1024*1024 {
+		// mmap for large files using x/exp/mmap
+		reader, err := mmap.Open(path)
+		if err != nil {
+			// fallback to buffered read
+			file, err := os.Open(path)
+			if err != nil {
+				return fmt.Errorf("error opening file %s: %w", path, err)
+			}
+			defer file.Close()
+			buffer, err = ReadBuffer(file, data.HdiffFileInChunkOffset, data.HdiffFileSize)
+			if err != nil {
+				return err
+			}
+		} else {
+			defer reader.Close()
+			buffer = make([]byte, data.HdiffFileSize)
+			_, err := reader.ReadAt(buffer, data.HdiffFileInChunkOffset)
+			if err != nil {
+				return fmt.Errorf("error reading mmap data: %w", err)
+			}
+		}
+	} else {
+		// small files, buffered read
+		file, err := os.Open(path)
+		if err != nil {
+			return fmt.Errorf("error opening file %s: %w", path, err)
+		}
+		defer file.Close()
+
+		buffer, err = ReadBuffer(file, data.HdiffFileInChunkOffset, data.HdiffFileSize)
+		if err != nil {
+			return err
+		}
+	}
+
+	extension := ""
+	if data.OriginalFileSize != 0 || assetSize != data.HdiffFileSize {
+		extension = ".hdiff"
+	}
+	assetPath := filepath.Join(outputDir, assetName+extension)
+	parentDir := filepath.Dir(assetPath)
+	if _, err := os.Stat(parentDir); os.IsNotExist(err) {
+		if err := os.MkdirAll(parentDir, 0o755); err != nil {
+			return fmt.Errorf("error creating directory %s: %w", parentDir, err)
+		}
+	}
+
+	if err := os.WriteFile(assetPath, buffer, 0o644); err != nil {
+		return fmt.Errorf("error writing file %s: %w", assetPath, err)
+	}
+
+	return nil
+}
+
+
+
+func ReadBuffer(file *os.File, offset int64, size int64) ([]byte, error) {
+	buffer := make([]byte, size)
+
+	n, err := file.ReadAt(buffer, offset)
+	if err != nil {
+		return nil, fmt.Errorf("error reading data: %w", err)
+	}
+	if int64(n) != size {
+		return nil, fmt.Errorf("expected %d bytes, but read %d bytes", size, n)
+	}
+
+	return buffer, nil
+}
+
--- a/pkg/firefly/loader.go
+++ b/pkg/firefly/loader.go
@@ -0,0 +1,66 @@
+package firefly
+
+import (
+	"bufio"
+	"firefly-launcher/pkg/firefly/pb"
+	"io"
+	"os"
+
+	"github.com/klauspost/compress/zstd"
+	"google.golang.org/protobuf/proto"
+)
+
+func LoadChunkProto(path string) (*pb.ChunkProto, error) {
+	file, err := os.Open(path)
+	if err != nil {
+		return nil, err
+	}
+	defer file.Close()
+
+	reader := bufio.NewReader(file)
+	decoder, err := zstd.NewReader(reader)
+	if err != nil {
+		return nil, err
+	}
+	defer decoder.Close()
+
+	data, err := io.ReadAll(decoder)
+	if err != nil {
+		return nil, err
+	}
+
+	var chunk pb.ChunkProto
+	if err := proto.Unmarshal(data, &chunk); err != nil {
+		return nil, err
+	}
+
+	return &chunk, nil
+}
+
+// Load ManifestProto từ file Zstd + Protobuf
+func LoadManifestProto(path string) (*pb.ManifestProto, error) {
+	file, err := os.Open(path)
+	if err != nil {
+		return nil, err
+	}
+	defer file.Close()
+
+	reader := bufio.NewReader(file)
+	decoder, err := zstd.NewReader(reader)
+	if err != nil {
+		return nil, err
+	}
+	defer decoder.Close()
+
+	data, err := io.ReadAll(decoder)
+	if err != nil {
+		return nil, err
+	}
+
+	var manifest pb.ManifestProto
+	if err := proto.Unmarshal(data, &manifest); err != nil {
+		return nil, err
+	}
+
+	return &manifest, nil
+}
--- a/pkg/firefly/pb/firefly.pb.go
+++ b/pkg/firefly/pb/firefly.pb.go
@@ -0,0 +1,651 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.36.5
+// 	protoc        v4.25.6
+// source: proto/firefly.proto
+
+package pb
+
+import (
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+	sync "sync"
+	unsafe "unsafe"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+type ChunkProto struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	Assets        []*AssetChunkProperty  `protobuf:"bytes,1,rep,name=assets,proto3" json:"assets,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *ChunkProto) Reset() {
+	*x = ChunkProto{}
+	mi := &file_proto_firefly_proto_msgTypes[0]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *ChunkProto) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ChunkProto) ProtoMessage() {}
+
+func (x *ChunkProto) ProtoReflect() protoreflect.Message {
+	mi := &file_proto_firefly_proto_msgTypes[0]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ChunkProto.ProtoReflect.Descriptor instead.
+func (*ChunkProto) Descriptor() ([]byte, []int) {
+	return file_proto_firefly_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *ChunkProto) GetAssets() []*AssetChunkProperty {
+	if x != nil {
+		return x.Assets
+	}
+	return nil
+}
+
+type AssetChunkProperty struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	AssetName     string                 `protobuf:"bytes,1,opt,name=asset_name,json=assetName,proto3" json:"asset_name,omitempty"`
+	AssetChunks   []*AssetChunk          `protobuf:"bytes,2,rep,name=asset_chunks,json=assetChunks,proto3" json:"asset_chunks,omitempty"`
+	AssetType     int32                  `protobuf:"varint,3,opt,name=asset_type,json=assetType,proto3" json:"asset_type,omitempty"`
+	AssetSize     int64                  `protobuf:"varint,4,opt,name=asset_size,json=assetSize,proto3" json:"asset_size,omitempty"`
+	AssetHashMd5  string                 `protobuf:"bytes,5,opt,name=asset_hash_md5,json=assetHashMd5,proto3" json:"asset_hash_md5,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *AssetChunkProperty) Reset() {
+	*x = AssetChunkProperty{}
+	mi := &file_proto_firefly_proto_msgTypes[1]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *AssetChunkProperty) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*AssetChunkProperty) ProtoMessage() {}
+
+func (x *AssetChunkProperty) ProtoReflect() protoreflect.Message {
+	mi := &file_proto_firefly_proto_msgTypes[1]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use AssetChunkProperty.ProtoReflect.Descriptor instead.
+func (*AssetChunkProperty) Descriptor() ([]byte, []int) {
+	return file_proto_firefly_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *AssetChunkProperty) GetAssetName() string {
+	if x != nil {
+		return x.AssetName
+	}
+	return ""
+}
+
+func (x *AssetChunkProperty) GetAssetChunks() []*AssetChunk {
+	if x != nil {
+		return x.AssetChunks
+	}
+	return nil
+}
+
+func (x *AssetChunkProperty) GetAssetType() int32 {
+	if x != nil {
+		return x.AssetType
+	}
+	return 0
+}
+
+func (x *AssetChunkProperty) GetAssetSize() int64 {
+	if x != nil {
+		return x.AssetSize
+	}
+	return 0
+}
+
+func (x *AssetChunkProperty) GetAssetHashMd5() string {
+	if x != nil {
+		return x.AssetHashMd5
+	}
+	return ""
+}
+
+type AssetChunk struct {
+	state                    protoimpl.MessageState `protogen:"open.v1"`
+	ChunkName                string                 `protobuf:"bytes,1,opt,name=chunk_name,json=chunkName,proto3" json:"chunk_name,omitempty"`
+	ChunkDecompressedHashMd5 string                 `protobuf:"bytes,2,opt,name=chunk_decompressed_hash_md5,json=chunkDecompressedHashMd5,proto3" json:"chunk_decompressed_hash_md5,omitempty"`
+	ChunkOnFileOffset        int64                  `protobuf:"varint,3,opt,name=chunk_on_file_offset,json=chunkOnFileOffset,proto3" json:"chunk_on_file_offset,omitempty"`
+	ChunkSize                int64                  `protobuf:"varint,4,opt,name=chunk_size,json=chunkSize,proto3" json:"chunk_size,omitempty"`
+	ChunkSizeDecompressed    int64                  `protobuf:"varint,5,opt,name=chunk_size_decompressed,json=chunkSizeDecompressed,proto3" json:"chunk_size_decompressed,omitempty"`
+	unknownFields            protoimpl.UnknownFields
+	sizeCache                protoimpl.SizeCache
+}
+
+func (x *AssetChunk) Reset() {
+	*x = AssetChunk{}
+	mi := &file_proto_firefly_proto_msgTypes[2]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *AssetChunk) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*AssetChunk) ProtoMessage() {}
+
+func (x *AssetChunk) ProtoReflect() protoreflect.Message {
+	mi := &file_proto_firefly_proto_msgTypes[2]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use AssetChunk.ProtoReflect.Descriptor instead.
+func (*AssetChunk) Descriptor() ([]byte, []int) {
+	return file_proto_firefly_proto_rawDescGZIP(), []int{2}
+}
+
+func (x *AssetChunk) GetChunkName() string {
+	if x != nil {
+		return x.ChunkName
+	}
+	return ""
+}
+
+func (x *AssetChunk) GetChunkDecompressedHashMd5() string {
+	if x != nil {
+		return x.ChunkDecompressedHashMd5
+	}
+	return ""
+}
+
+func (x *AssetChunk) GetChunkOnFileOffset() int64 {
+	if x != nil {
+		return x.ChunkOnFileOffset
+	}
+	return 0
+}
+
+func (x *AssetChunk) GetChunkSize() int64 {
+	if x != nil {
+		return x.ChunkSize
+	}
+	return 0
+}
+
+func (x *AssetChunk) GetChunkSizeDecompressed() int64 {
+	if x != nil {
+		return x.ChunkSizeDecompressed
+	}
+	return 0
+}
+
+type ManifestProto struct {
+	state         protoimpl.MessageState   `protogen:"open.v1"`
+	Assets        []*AssetManifestProperty `protobuf:"bytes,1,rep,name=assets,proto3" json:"assets,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *ManifestProto) Reset() {
+	*x = ManifestProto{}
+	mi := &file_proto_firefly_proto_msgTypes[3]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *ManifestProto) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ManifestProto) ProtoMessage() {}
+
+func (x *ManifestProto) ProtoReflect() protoreflect.Message {
+	mi := &file_proto_firefly_proto_msgTypes[3]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ManifestProto.ProtoReflect.Descriptor instead.
+func (*ManifestProto) Descriptor() ([]byte, []int) {
+	return file_proto_firefly_proto_rawDescGZIP(), []int{3}
+}
+
+func (x *ManifestProto) GetAssets() []*AssetManifestProperty {
+	if x != nil {
+		return x.Assets
+	}
+	return nil
+}
+
+type AssetManifestProperty struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	AssetName     string                 `protobuf:"bytes,1,opt,name=asset_name,json=assetName,proto3" json:"asset_name,omitempty"`
+	AssetSize     int64                  `protobuf:"varint,2,opt,name=asset_size,json=assetSize,proto3" json:"asset_size,omitempty"`
+	AssetHashMd5  string                 `protobuf:"bytes,3,opt,name=asset_hash_md5,json=assetHashMd5,proto3" json:"asset_hash_md5,omitempty"`
+	AssetData     *AssetManifestChunk    `protobuf:"bytes,4,opt,name=asset_data,json=assetData,proto3" json:"asset_data,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *AssetManifestProperty) Reset() {
+	*x = AssetManifestProperty{}
+	mi := &file_proto_firefly_proto_msgTypes[4]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *AssetManifestProperty) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*AssetManifestProperty) ProtoMessage() {}
+
+func (x *AssetManifestProperty) ProtoReflect() protoreflect.Message {
+	mi := &file_proto_firefly_proto_msgTypes[4]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use AssetManifestProperty.ProtoReflect.Descriptor instead.
+func (*AssetManifestProperty) Descriptor() ([]byte, []int) {
+	return file_proto_firefly_proto_rawDescGZIP(), []int{4}
+}
+
+func (x *AssetManifestProperty) GetAssetName() string {
+	if x != nil {
+		return x.AssetName
+	}
+	return ""
+}
+
+func (x *AssetManifestProperty) GetAssetSize() int64 {
+	if x != nil {
+		return x.AssetSize
+	}
+	return 0
+}
+
+func (x *AssetManifestProperty) GetAssetHashMd5() string {
+	if x != nil {
+		return x.AssetHashMd5
+	}
+	return ""
+}
+
+func (x *AssetManifestProperty) GetAssetData() *AssetManifestChunk {
+	if x != nil {
+		return x.AssetData
+	}
+	return nil
+}
+
+type AssetManifestChunk struct {
+	state              protoimpl.MessageState `protogen:"open.v1"`
+	LatestAssetVersion string                 `protobuf:"bytes,1,opt,name=latest_asset_version,json=latestAssetVersion,proto3" json:"latest_asset_version,omitempty"`
+	Assets             []*AssetManifest       `protobuf:"bytes,2,rep,name=assets,proto3" json:"assets,omitempty"`
+	unknownFields      protoimpl.UnknownFields
+	sizeCache          protoimpl.SizeCache
+}
+
+func (x *AssetManifestChunk) Reset() {
+	*x = AssetManifestChunk{}
+	mi := &file_proto_firefly_proto_msgTypes[5]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *AssetManifestChunk) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*AssetManifestChunk) ProtoMessage() {}
+
+func (x *AssetManifestChunk) ProtoReflect() protoreflect.Message {
+	mi := &file_proto_firefly_proto_msgTypes[5]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use AssetManifestChunk.ProtoReflect.Descriptor instead.
+func (*AssetManifestChunk) Descriptor() ([]byte, []int) {
+	return file_proto_firefly_proto_rawDescGZIP(), []int{5}
+}
+
+func (x *AssetManifestChunk) GetLatestAssetVersion() string {
+	if x != nil {
+		return x.LatestAssetVersion
+	}
+	return ""
+}
+
+func (x *AssetManifestChunk) GetAssets() []*AssetManifest {
+	if x != nil {
+		return x.Assets
+	}
+	return nil
+}
+
+type AssetManifest struct {
+	state                  protoimpl.MessageState `protogen:"open.v1"`
+	ChunkFileName          string                 `protobuf:"bytes,1,opt,name=chunk_file_name,json=chunkFileName,proto3" json:"chunk_file_name,omitempty"`
+	ChunkFileVersion       string                 `protobuf:"bytes,2,opt,name=chunk_file_version,json=chunkFileVersion,proto3" json:"chunk_file_version,omitempty"`
+	ChunkFileNode          string                 `protobuf:"bytes,3,opt,name=chunk_file_node,json=chunkFileNode,proto3" json:"chunk_file_node,omitempty"`
+	ChunkFileSize          int64                  `protobuf:"varint,4,opt,name=chunk_file_size,json=chunkFileSize,proto3" json:"chunk_file_size,omitempty"`
+	ChunkFileMd5           string                 `protobuf:"bytes,5,opt,name=chunk_file_md5,json=chunkFileMd5,proto3" json:"chunk_file_md5,omitempty"`
+	HdiffFileInChunkOffset int64                  `protobuf:"varint,6,opt,name=hdiff_file_in_chunk_offset,json=hdiffFileInChunkOffset,proto3" json:"hdiff_file_in_chunk_offset,omitempty"`
+	HdiffFileSize          int64                  `protobuf:"varint,7,opt,name=hdiff_file_size,json=hdiffFileSize,proto3" json:"hdiff_file_size,omitempty"`
+	OriginalFilePath       string                 `protobuf:"bytes,8,opt,name=original_file_path,json=originalFilePath,proto3" json:"original_file_path,omitempty"`
+	OriginalFileSize       int64                  `protobuf:"varint,9,opt,name=original_file_size,json=originalFileSize,proto3" json:"original_file_size,omitempty"`
+	OriginalFileMd5        string                 `protobuf:"bytes,10,opt,name=original_file_md5,json=originalFileMd5,proto3" json:"original_file_md5,omitempty"`
+	unknownFields          protoimpl.UnknownFields
+	sizeCache              protoimpl.SizeCache
+}
+
+func (x *AssetManifest) Reset() {
+	*x = AssetManifest{}
+	mi := &file_proto_firefly_proto_msgTypes[6]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *AssetManifest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*AssetManifest) ProtoMessage() {}
+
+func (x *AssetManifest) ProtoReflect() protoreflect.Message {
+	mi := &file_proto_firefly_proto_msgTypes[6]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use AssetManifest.ProtoReflect.Descriptor instead.
+func (*AssetManifest) Descriptor() ([]byte, []int) {
+	return file_proto_firefly_proto_rawDescGZIP(), []int{6}
+}
+
+func (x *AssetManifest) GetChunkFileName() string {
+	if x != nil {
+		return x.ChunkFileName
+	}
+	return ""
+}
+
+func (x *AssetManifest) GetChunkFileVersion() string {
+	if x != nil {
+		return x.ChunkFileVersion
+	}
+	return ""
+}
+
+func (x *AssetManifest) GetChunkFileNode() string {
+	if x != nil {
+		return x.ChunkFileNode
+	}
+	return ""
+}
+
+func (x *AssetManifest) GetChunkFileSize() int64 {
+	if x != nil {
+		return x.ChunkFileSize
+	}
+	return 0
+}
+
+func (x *AssetManifest) GetChunkFileMd5() string {
+	if x != nil {
+		return x.ChunkFileMd5
+	}
+	return ""
+}
+
+func (x *AssetManifest) GetHdiffFileInChunkOffset() int64 {
+	if x != nil {
+		return x.HdiffFileInChunkOffset
+	}
+	return 0
+}
+
+func (x *AssetManifest) GetHdiffFileSize() int64 {
+	if x != nil {
+		return x.HdiffFileSize
+	}
+	return 0
+}
+
+func (x *AssetManifest) GetOriginalFilePath() string {
+	if x != nil {
+		return x.OriginalFilePath
+	}
+	return ""
+}
+
+func (x *AssetManifest) GetOriginalFileSize() int64 {
+	if x != nil {
+		return x.OriginalFileSize
+	}
+	return 0
+}
+
+func (x *AssetManifest) GetOriginalFileMd5() string {
+	if x != nil {
+		return x.OriginalFileMd5
+	}
+	return ""
+}
+
+var File_proto_firefly_proto protoreflect.FileDescriptor
+
+var file_proto_firefly_proto_rawDesc = string([]byte{
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+	0x72, 0x6f, 0x74, 0x6f, 0x33,
+})
+
+var (
+	file_proto_firefly_proto_rawDescOnce sync.Once
+	file_proto_firefly_proto_rawDescData []byte
+)
+
+func file_proto_firefly_proto_rawDescGZIP() []byte {
+	file_proto_firefly_proto_rawDescOnce.Do(func() {
+		file_proto_firefly_proto_rawDescData = protoimpl.X.CompressGZIP(unsafe.Slice(unsafe.StringData(file_proto_firefly_proto_rawDesc), len(file_proto_firefly_proto_rawDesc)))
+	})
+	return file_proto_firefly_proto_rawDescData
+}
+
+var file_proto_firefly_proto_msgTypes = make([]protoimpl.MessageInfo, 7)
+var file_proto_firefly_proto_goTypes = []any{
+	(*ChunkProto)(nil),            // 0: firefly.ChunkProto
+	(*AssetChunkProperty)(nil),    // 1: firefly.AssetChunkProperty
+	(*AssetChunk)(nil),            // 2: firefly.AssetChunk
+	(*ManifestProto)(nil),         // 3: firefly.ManifestProto
+	(*AssetManifestProperty)(nil), // 4: firefly.AssetManifestProperty
+	(*AssetManifestChunk)(nil),    // 5: firefly.AssetManifestChunk
+	(*AssetManifest)(nil),         // 6: firefly.AssetManifest
+}
+var file_proto_firefly_proto_depIdxs = []int32{
+	1, // 0: firefly.ChunkProto.assets:type_name -> firefly.AssetChunkProperty
+	2, // 1: firefly.AssetChunkProperty.asset_chunks:type_name -> firefly.AssetChunk
+	4, // 2: firefly.ManifestProto.assets:type_name -> firefly.AssetManifestProperty
+	5, // 3: firefly.AssetManifestProperty.asset_data:type_name -> firefly.AssetManifestChunk
+	6, // 4: firefly.AssetManifestChunk.assets:type_name -> firefly.AssetManifest
+	5, // [5:5] is the sub-list for method output_type
+	5, // [5:5] is the sub-list for method input_type
+	5, // [5:5] is the sub-list for extension type_name
+	5, // [5:5] is the sub-list for extension extendee
+	0, // [0:5] is the sub-list for field type_name
+}
+
+func init() { file_proto_firefly_proto_init() }
+func file_proto_firefly_proto_init() {
+	if File_proto_firefly_proto != nil {
+		return
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: unsafe.Slice(unsafe.StringData(file_proto_firefly_proto_rawDesc), len(file_proto_firefly_proto_rawDesc)),
+			NumEnums:      0,
+			NumMessages:   7,
+			NumExtensions: 0,
+			NumServices:   0,
+		},
+		GoTypes:           file_proto_firefly_proto_goTypes,
+		DependencyIndexes: file_proto_firefly_proto_depIdxs,
+		MessageInfos:      file_proto_firefly_proto_msgTypes,
+	}.Build()
+	File_proto_firefly_proto = out.File
+	file_proto_firefly_proto_goTypes = nil
+	file_proto_firefly_proto_depIdxs = nil
+}
--- a/pkg/models/binary-version.go
+++ b/pkg/models/binary-version.go
@@ -6,7 +6,6 @@ import (
 	"os"
 	"regexp"
 	"strconv"
-	"strings"
 )

 type BinaryVersion struct {
@@ -14,6 +13,7 @@ type BinaryVersion struct {
 	Major int
 	Minor int
 	Patch int
+	Data  []byte
 }

 func ParseBinaryVersion(path string) (*BinaryVersion, error) {
@@ -23,58 +23,39 @@ func ParseBinaryVersion(path string) (*BinaryVersion, error) {
 	}

 	content := string(data)
+	fmt.Println(content)

-	lastDash := strings.LastIndex(content, "-")
-	if lastDash == -1 {
-		return nil, errors.New("no dash found in version string")
-	}
-	
-	secondLastDash := strings.LastIndex(content[:lastDash], "-")
-	if secondLastDash == -1 {
-		return nil, errors.New("only one dash found in version string")
-	}
-
-	versionSlice := content[secondLastDash+1 : lastDash]
-	re := regexp.MustCompile(`^([A-Za-z]+)([\d\.]+)$`)
-	matches := re.FindStringSubmatch(versionSlice)
-	if len(matches) < 3 {
+	re := regexp.MustCompile(`([A-Za-z]+)(\d+)(?:\.(\d+))?(?:\.(\d+))?`)
+	matches := re.FindStringSubmatch(content)
+	if len(matches) < 2 {
 		return nil, errors.New("invalid version format")
 	}
+
 	binaryVersion := BinaryVersion{
 		Name: matches[1],
 	}
-	numbers := strings.Split(matches[2], ".")
-
-	if len(numbers) > 0 {
-		binaryVersion.Major, err = strconv.Atoi(numbers[0])
-		if err != nil {
-			return nil, err
+	if matches[2] != "" {
+		binaryVersion.Major, _ = strconv.Atoi(matches[2])
 	}
+	if len(matches) > 3 && matches[3] != "" {
+		binaryVersion.Minor, _ = strconv.Atoi(matches[3])
 	}
-	if len(numbers) > 1 {
-		binaryVersion.Minor, err = strconv.Atoi(numbers[1])
-		if err != nil {
-			return nil, err
-		}
-	}
-	if len(numbers) > 2 {
-		binaryVersion.Patch, err = strconv.Atoi(numbers[2])
-		if err != nil {
-			return nil, err
-		}
+	if len(matches) > 4 && matches[4] != "" {
+		binaryVersion.Patch, _ = strconv.Atoi(matches[4])
 	}

+	binaryVersion.Data = data
 	return &binaryVersion, nil
 }

 func (v *BinaryVersion) String() string {
-	return fmt.Sprintf("%d.%d.%d", v.Major, v.Minor, v.Patch)
+	return fmt.Sprintf("%s-%d.%d.%d", v.Name, v.Major, v.Minor, v.Patch)
 }

 func (v BinaryVersion) ToInt() int {
 	return v.Major*100 + v.Minor*10 + v.Patch
 }

-func (v BinaryVersion) Subtract(other BinaryVersion) int {
+func (v BinaryVersion) Subtract(other *BinaryVersion) int {
 	return v.ToInt() - other.ToInt()
 }
--- a/pkg/sevenzip/sevenzip.go
+++ b/pkg/sevenzip/sevenzip.go
@@ -21,11 +21,20 @@ func IsFileIn7z(archivePath, fileInside string) (bool, error) {

 	lines := strings.Split(out.String(), "\n")
 	for _, line := range lines {
-		if strings.Contains(line, fileInside) {
+		line = strings.TrimSpace(line)
+		if line == "" {
+			continue
+		}
+		parts := strings.Fields(line)
+		if len(parts) > 0 {
+			path := parts[len(parts)-1]
+			if path == fileInside {
 				return true, nil
 			}
 		}

+	}
+
 	return false, fmt.Errorf("%s not found in %s", fileInside, archivePath)
 }

--- a/pkg/verifier/verifier.go
+++ b/pkg/verifier/verifier.go
@@ -67,7 +67,7 @@ func check(relPath string, expectedSize int64, expectedMD5, base string) error {
 			fullPath, expectedSize, info.Size())
 	}

-	md5Hash, err := fileMD5(fullPath)
+	md5Hash, err := FileMD5(fullPath)
 	if err != nil {
 		return fmt.Errorf("error reading %s: %w", fullPath, err)
 	}
@@ -80,7 +80,7 @@ func check(relPath string, expectedSize int64, expectedMD5, base string) error {
 	return nil
 }

-func fileMD5(path string) (string, error) {
+func FileMD5(path string) (string, error) {
 	f, err := os.Open(path)
 	if err != nil {
 		return "", err
Author	SHA1	Message	Date
AzenKain	100c93e8da	UPDATE: Update howto, fix bug bytes humman format	2025-10-04 20:30:51 +07:00
AzenKain	1e17f76340	FIX: Fix bug version parse	2025-09-26 10:06:49 +07:00
AzenKain	1f9c95d6ac	FIX: Fix bug hdiff	2025-09-09 08:47:16 +07:00
AzenKain	d58e76d821	UPDATE: Add precheck version hdiff, support another hdiff	2025-08-29 21:13:10 +07:00
AzenKain	a4de02bc18	UPDATE: Add mutithread download	2025-08-27 08:27:02 +07:00
AzenKain	a021658fa9	FIX: Fix bug check diff type	2025-08-26 09:58:30 +07:00
AzenKain	6b222bfa70	UPDATE: Add ldiff	2025-08-25 18:12:13 +07:00