diff --git a/electron/main/common/conf.ts b/electron/main/common/conf.ts
new file mode 100644
index 0000000000000000000000000000000000000000..0fb68b2ff8314cf5ba0c480208d50a60ac67e724
--- /dev/null
+++ b/electron/main/common/conf.ts
@@ -0,0 +1,33 @@
+// You can use this software according to the terms and conditions of the Mulan PSL v2.
+// You may obtain a copy of Mulan PSL v2 at:
+//      http://license.coscl.org.cn/MulanPSL2
+// THIS SOFTWARE IS PROVIDED ON AN 'AS IS' BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR
+// PURPOSE.
+// See the Mulan PSL v2 for more details.
+import path from 'path';
+import fs from 'node:fs';
+import { getUserDataPath } from '../node/userDataPath';
+import { productObj } from './product';
+
+interface ICacheConf {
+  theme: 'system' | 'light' | 'dark';
+  userLocale;
+}
+
+export const userDataPath = getUserDataPath(productObj.name);
+export const cachePath = getCachePath();
+export const commonCacheConfPath = path.join(
+  cachePath,
+  'eulercopilot-common-storage.json',
+);
+
+export function getCachePath(): string {
+  return path.join(userDataPath, 'CachedData');
+}
+
+export function updateConf(conf: Partial<ICacheConf>) {
+  const oldConf = fs.readFileSync(commonCacheConfPath, 'utf-8');
+  const updateConf = { ...JSON.parse(oldConf), ...conf };
+  fs.writeFileSync(commonCacheConfPath, JSON.stringify(updateConf));
+}
diff --git a/electron/main/common/nls.ts b/electron/main/common/nls.ts
index 23974261bd4360c48dc911eff57f809690f24691..0c3e1c5965a4649111f2c99b1a64f63671fb42f6 100644
--- a/electron/main/common/nls.ts
+++ b/electron/main/common/nls.ts
@@ -1,3 +1,10 @@
+// You can use this software according to the terms and conditions of the Mulan PSL v2.
+// You may obtain a copy of Mulan PSL v2 at:
+//      http://license.coscl.org.cn/MulanPSL2
+// THIS SOFTWARE IS PROVIDED ON AN 'AS IS' BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR
+// PURPOSE.
+// See the Mulan PSL v2 for more details.
 export interface INLSConfiguration {
   /**
    * Locale as defined in `argv.json` or `app.getLocale()`.
diff --git a/electron/main/common/platform.ts b/electron/main/common/platform.ts
index 2053843e3fcbd7d1731ba83145f5cb2c44ab9ce6..c339dd859f4972a34d2853281dd4c47f56892742 100644
--- a/electron/main/common/platform.ts
+++ b/electron/main/common/platform.ts
@@ -1,3 +1,10 @@
+// You can use this software according to the terms and conditions of the Mulan PSL v2.
+// You may obtain a copy of Mulan PSL v2 at:
+//      http://license.coscl.org.cn/MulanPSL2
+// THIS SOFTWARE IS PROVIDED ON AN 'AS IS' BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR
+// PURPOSE.
+// See the Mulan PSL v2 for more details.
 import * as nls from './nls';
 
 export const LANGUAGE_DEFAULT = 'en';
diff --git a/electron/main/common/product.ts b/electron/main/common/product.ts
index b8c19749677597a2ac66416d0c1d4dbbd2028944..c46d65d2882345f2def73d5ac8b9dadad2085281 100644
--- a/electron/main/common/product.ts
+++ b/electron/main/common/product.ts
@@ -1,3 +1,10 @@
+// You can use this software according to the terms and conditions of the Mulan PSL v2.
+// You may obtain a copy of Mulan PSL v2 at:
+//      http://license.coscl.org.cn/MulanPSL2
+// THIS SOFTWARE IS PROVIDED ON AN 'AS IS' BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR
+// PURPOSE.
+// See the Mulan PSL v2 for more details.
 export interface IProductConfiguration {
   readonly name: string;
 }
diff --git a/electron/main/index.ts b/electron/main/index.ts
index 8ec327a12d7f7264e6f6557c1be8005781286e30..e0ffe97ecfc33b9f40cf213bf1dc778ce512001a 100644
--- a/electron/main/index.ts
+++ b/electron/main/index.ts
@@ -1,4 +1,10 @@
-import path from 'node:path';
+// You can use this software according to the terms and conditions of the Mulan PSL v2.
+// You may obtain a copy of Mulan PSL v2 at:
+//      http://license.coscl.org.cn/MulanPSL2
+// THIS SOFTWARE IS PROVIDED ON AN 'AS IS' BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR
+// PURPOSE.
+// See the Mulan PSL v2 for more details.
 import fs from 'node:fs';
 import {
   app,
@@ -8,19 +14,16 @@ import {
   BrowserWindow,
 } from 'electron';
 import { createDefaultWindow, createTray, createChatWindow } from './window';
-import { getUserDataPath } from './node/userDataPath';
 import type { INLSConfiguration } from './common/nls';
-import { productObj } from './common/product';
+import { cachePath, commonCacheConfPath, updateConf } from './common/conf';
 
 interface ICacheConf {
   userLocale: string;
   theme: 'system' | 'light' | 'dark';
 }
 
-const userDataPath = getUserDataPath(productObj.name);
-const cachePath = getCachePath();
-
-const commonCacheConf: Partial<ICacheConf> = getUserDefinedConf(userDataPath);
+const commonCacheConf: Partial<ICacheConf> =
+  getUserDefinedConf(commonCacheConfPath);
 
 const osLocale = processZhLocale(
   (app.getPreferredSystemLanguages()?.[0] ?? 'en').toLowerCase(),
@@ -36,21 +39,25 @@ app.on('will-quit', () => {
 
 app.on('window-all-closed', () => {
   ipcMain.removeAllListeners();
+  if (process.platform !== 'darwin') {
+    app.quit();
+  }
 });
 
 async function onReady() {
   try {
-    const [, nlsConfig] = await Promise.all([
+    const [, nlsConfig, themeConfig] = await Promise.all([
       mkdirpIgnoreError(cachePath),
       resolveNlsConfiguration(),
+      resolveThemeConfiguration(),
     ]);
 
-    nativeTheme.themeSource = commonCacheConf.theme || 'light';
-    process.env['EULERCOPILOT_THEME'] = commonCacheConf.theme || 'light';
+    nativeTheme.themeSource = themeConfig.theme || 'light';
+    process.env['EULERCOPILOT_THEME'] = themeConfig.theme || 'light';
     process.env['EULERCOPILOT_NLS_CONFIG'] = JSON.stringify(nlsConfig);
     process.env['EULERCOPILOT_CACHE_PATH'] = cachePath || '';
 
-    startup();
+    await startup();
   } catch (error) {}
 }
 
@@ -71,20 +78,6 @@ async function startup() {
     }
   });
 
-  ipcMain.handle('copilot:theme', (e, args) => {
-    chatWindow.setTitleBarOverlay({
-      color: args.backgroundColor,
-      height: 40,
-      symbolColor: args.theme === 'dark' ? 'white' : 'black',
-    });
-
-    win.setTitleBarOverlay({
-      color: args.backgroundColor,
-      height: 48,
-      symbolColor: args.theme === 'dark' ? 'white' : 'black',
-    });
-  });
-
   tray.on('click', () => {
     win.show();
   });
@@ -116,10 +109,10 @@ function registerIpcListener() {
 
 function getUserDefinedConf(dir: string) {
   try {
-    return fs.readFileSync(
-      path.join(dir, 'eulercopilot-common-storage.json'),
-      'utf-8',
-    );
+    if (!fs.existsSync(dir)) {
+      fs.writeFileSync(dir, JSON.stringify({}));
+    }
+    return JSON.parse(fs.readFileSync(dir, 'utf-8'));
   } catch (error) {
     // Ignore error
     return {};
@@ -140,15 +133,28 @@ function processZhLocale(appLocale: string): string {
     // country codes, assume they use Simplified Chinese.
     // For other cases, assume they use Traditional.
     if (['hans', 'cn', 'sg', 'my'].includes(region)) {
-      return 'zh-cn';
+      return 'zh_cn';
     }
 
-    return 'zh-tw';
+    return 'zh_tw';
   }
 
   return appLocale;
 }
 
+async function resolveThemeConfiguration(): Promise<any> {
+  if (commonCacheConf.theme) {
+    return {
+      theme: commonCacheConf.theme,
+    };
+  }
+  const isDarkMode = nativeTheme.shouldUseDarkColors;
+  updateConf({ theme: isDarkMode ? 'dark' : 'light' });
+  return {
+    theme: isDarkMode ? 'dark' : 'light',
+  };
+}
+
 /**
  * 国际化支持
  * @returns
@@ -163,7 +169,9 @@ async function resolveNlsConfiguration(): Promise<INLSConfiguration> {
   }
 
   let userLocale = app.getLocale();
+
   if (!userLocale) {
+    updateConf({ userLocale: 'en' });
     return {
       userLocale: 'en',
       osLocale,
@@ -172,7 +180,7 @@ async function resolveNlsConfiguration(): Promise<INLSConfiguration> {
   }
 
   userLocale = processZhLocale(userLocale.toLowerCase());
-
+  updateConf({ userLocale: 'en' });
   return {
     userLocale,
     osLocale,
@@ -185,6 +193,9 @@ async function mkdirpIgnoreError(
 ): Promise<string | undefined> {
   if (typeof dir === 'string') {
     try {
+      if (fs.existsSync(dir)) {
+        return dir;
+      }
       await fs.promises.mkdir(dir, { recursive: true });
 
       return dir;
@@ -195,7 +206,3 @@ async function mkdirpIgnoreError(
 
   return undefined;
 }
-
-function getCachePath(): string | undefined {
-  return path.join(userDataPath, 'CachedData');
-}
diff --git a/electron/main/node/userDataPath.ts b/electron/main/node/userDataPath.ts
index 317ec9f388754d51d6ac932785b51d8ae332fc76..fdfe26114a5a68755e5cab133eaf2fcf9d2058ff 100644
--- a/electron/main/node/userDataPath.ts
+++ b/electron/main/node/userDataPath.ts
@@ -1,3 +1,10 @@
+// You can use this software according to the terms and conditions of the Mulan PSL v2.
+// You may obtain a copy of Mulan PSL v2 at:
+//      http://license.coscl.org.cn/MulanPSL2
+// THIS SOFTWARE IS PROVIDED ON AN 'AS IS' BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR
+// PURPOSE.
+// See the Mulan PSL v2 for more details.
 import * as os from 'os';
 import * as path from 'node:path';
 
diff --git a/electron/main/window/create.ts b/electron/main/window/create.ts
index 11e8ab4d99b68067a2113e4d17af2b7d35b131fd..12faa410380a4207804d83fae79f9bab3d2c51d3 100644
--- a/electron/main/window/create.ts
+++ b/electron/main/window/create.ts
@@ -1,11 +1,15 @@
+// You can use this software according to the terms and conditions of the Mulan PSL v2.
+// You may obtain a copy of Mulan PSL v2 at:
+//      http://license.coscl.org.cn/MulanPSL2
+// THIS SOFTWARE IS PROVIDED ON AN 'AS IS' BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR
+// PURPOSE.
+// See the Mulan PSL v2 for more details.
 import path from 'node:path';
 import * as electron from 'electron';
-import { BrowserWindow, app, globalShortcut } from 'electron';
+import { BrowserWindow, app, globalShortcut, ipcMain } from 'electron';
 import { options as allWindow } from './options';
-
-class BaseWindow {
-  constructor() {}
-}
+import { updateConf } from '../common/conf';
 
 export function createWindow(
   options: Electron.BrowserWindowConstructorOptions,
@@ -23,7 +27,6 @@ export function createWindow(
   if (app.isPackaged) {
     win.loadFile(path.join(__dirname, `../index.html`), { hash });
   } else {
-    // win.webContents.openDevTools();
     win.loadURL(`http://localhost:${process.env.PORT}/#${hash}`);
   }
 
@@ -31,13 +34,13 @@ export function createWindow(
 }
 
 let defaultWindow: BrowserWindow | null = null;
-const theme = process.env.EULERCOPILOT_THEME || 'light';
 
 export function createDefaultWindow(): BrowserWindow {
   if (defaultWindow) return defaultWindow;
 
   const hash = allWindow.mainWindow.hash;
   const defaultWindowOptions = allWindow.mainWindow.window;
+  const theme = process.env.EULERCOPILOT_THEME || 'light';
 
   defaultWindowOptions.titleBarOverlay = {
     color: theme === 'dark' ? '#1f2329' : '#ffffff',
@@ -50,22 +53,55 @@ export function createDefaultWindow(): BrowserWindow {
   return defaultWindow;
 }
 
+let chatWindow: BrowserWindow | null = null;
 export function createChatWindow(): BrowserWindow {
+  if (chatWindow) return chatWindow;
   const hash = allWindow.chatWindow.hash;
   const chatWindowOptions = allWindow.chatWindow.window;
+  const theme = process.env.EULERCOPILOT_THEME || 'light';
+
   chatWindowOptions.titleBarOverlay = {
     color: theme === 'dark' ? '#1f2329' : '#ffffff',
     height: 40,
     symbolColor: theme === 'dark' ? 'white' : 'black',
   };
-  const chatWindow = createWindow(chatWindowOptions, hash);
+  chatWindow = createWindow(chatWindowOptions, hash);
 
   const shortcutKey =
     process.platform === 'darwin' ? 'Cmd+Option+O' : 'Ctrl+Alt+O';
 
   globalShortcut.register(shortcutKey, () => {
-    chatWindow.show();
+    chatWindow && chatWindow.show();
   });
 
   return chatWindow;
 }
+
+ipcMain.handle('copilot:theme', (e, args) => {
+  electron.nativeTheme.themeSource = args.theme;
+  if (chatWindow) {
+    chatWindow.setTitleBarOverlay({
+      color: args.backgroundColor,
+      height: 40,
+      symbolColor: args.theme === 'dark' ? 'white' : 'black',
+    });
+  }
+
+  if (defaultWindow) {
+    defaultWindow.setTitleBarOverlay({
+      color: args.backgroundColor,
+      height: 48,
+      symbolColor: args.theme === 'dark' ? 'white' : 'black',
+    });
+  }
+
+  updateConf({
+    theme: args.theme,
+  });
+});
+
+ipcMain.handle('copilot:lang', (e, args) => {
+  updateConf({
+    userLocale: args.lang,
+  });
+});
diff --git a/electron/main/window/index.ts b/electron/main/window/index.ts
index dcc0f49f56708bcde301388a4ed64bda15959da9..92fceac3ab7b60417ef216d239843b2ada12ec53 100644
--- a/electron/main/window/index.ts
+++ b/electron/main/window/index.ts
@@ -1,2 +1,9 @@
+// You can use this software according to the terms and conditions of the Mulan PSL v2.
+// You may obtain a copy of Mulan PSL v2 at:
+//      http://license.coscl.org.cn/MulanPSL2
+// THIS SOFTWARE IS PROVIDED ON AN 'AS IS' BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR
+// PURPOSE.
+// See the Mulan PSL v2 for more details.
 export { createWindow, createDefaultWindow, createChatWindow } from './create';
 export { createTray } from './tray';
diff --git a/electron/main/window/options.ts b/electron/main/window/options.ts
index 693c5a786cba8dfc1cffd0f7cef4364dd90d891b..7413e463164ae78cdc87265374d87158767cf17f 100644
--- a/electron/main/window/options.ts
+++ b/electron/main/window/options.ts
@@ -1,3 +1,10 @@
+// You can use this software according to the terms and conditions of the Mulan PSL v2.
+// You may obtain a copy of Mulan PSL v2 at:
+//      http://license.coscl.org.cn/MulanPSL2
+// THIS SOFTWARE IS PROVIDED ON AN 'AS IS' BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR
+// PURPOSE.
+// See the Mulan PSL v2 for more details.
 export interface allWindowType {
   [propName: string]: {
     id: string;
@@ -33,7 +40,6 @@ export const options: allWindowType = {
       alwaysOnTop: false,
       useContentSize: true,
       minWidth: 680,
-      minHeight: 960,
       titleBarStyle: 'hidden',
       icon: 'dist/favicon.ico',
     },
diff --git a/electron/main/window/tray.ts b/electron/main/window/tray.ts
index 6c7563097df0c4dab6c9e56b4b10a972bd342b39..7a24800ad450e2d7f5ad647f74c24382ef656f9a 100644
--- a/electron/main/window/tray.ts
+++ b/electron/main/window/tray.ts
@@ -1,3 +1,10 @@
+// You can use this software according to the terms and conditions of the Mulan PSL v2.
+// You may obtain a copy of Mulan PSL v2 at:
+//      http://license.coscl.org.cn/MulanPSL2
+// THIS SOFTWARE IS PROVIDED ON AN 'AS IS' BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR
+// PURPOSE.
+// See the Mulan PSL v2 for more details.
 import path from 'node:path';
 import { app, Tray, Menu } from 'electron';
 import type { MenuItemConstructorOptions } from 'electron';
@@ -15,10 +22,11 @@ export function createTray(): Tray {
       },
     },
   ];
-
-  const iconPath = path.join(__dirname, '../favicon.ico');
+  const iconPath =
+    process.platform === 'darwin'
+      ? path.join(__dirname, '../favicon.ico')
+      : path.join(__dirname, '../app_favicon.ico');
   appTray = new Tray(iconPath);
-
   const contextMenu = Menu.buildFromTemplate(trayMenus);
   appTray.setToolTip('EulerCopilot');
 
diff --git a/electron/preload/index.ts b/electron/preload/index.ts
index baa1dfd1bbfa26825b2cceecd149535b9d0180bd..a55456965e51330806267d9cec94527370e2c067 100644
--- a/electron/preload/index.ts
+++ b/electron/preload/index.ts
@@ -1,3 +1,10 @@
+// You can use this software according to the terms and conditions of the Mulan PSL v2.
+// You may obtain a copy of Mulan PSL v2 at:
+//      http://license.coscl.org.cn/MulanPSL2
+// THIS SOFTWARE IS PROVIDED ON AN 'AS IS' BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR
+// PURPOSE.
+// See the Mulan PSL v2 for more details.
 import { ipcRenderer, contextBridge } from 'electron';
 
 function validateIPC(channel: string): true | never {
diff --git a/scripts/rollup.config.ts b/scripts/rollup.config.ts
index 813e953bbc65d6fe1f56d7ea5a6568dbd0275eec..b688d5f4e34dca5847f8db163613c478c79cec29 100644
--- a/scripts/rollup.config.ts
+++ b/scripts/rollup.config.ts
@@ -1,23 +1,23 @@
-import path from 'path'
-import type { RollupOptions } from 'rollup'
-import copy from 'rollup-plugin-copy'
-import nodeResolve from '@rollup/plugin-node-resolve'
-import typescript from '@rollup/plugin-typescript'
-import commonjs from '@rollup/plugin-commonjs'
-import replace from '@rollup/plugin-replace'
-import alias from '@rollup/plugin-alias'
-import json from '@rollup/plugin-json'
-import { builtins, getEnv } from './utils'
+import path from 'path';
+import type { RollupOptions } from 'rollup';
+import copy from 'rollup-plugin-copy';
+import nodeResolve from '@rollup/plugin-node-resolve';
+import typescript from '@rollup/plugin-typescript';
+import commonjs from '@rollup/plugin-commonjs';
+import replace from '@rollup/plugin-replace';
+import alias from '@rollup/plugin-alias';
+import json from '@rollup/plugin-json';
+import { builtins, getEnv } from './utils';
 
 export interface ConfigOptions {
-  env?: typeof process.env.NODE_ENV
-  proc: 'main' | 'render' | 'preload'
+  env?: typeof process.env.NODE_ENV;
+  proc: 'main' | 'render' | 'preload';
 }
 
-const compilationInclude = ['electron/**/*.ts']
+const compilationInclude = ['electron/**/*.ts'];
 
 export default function (opts: ConfigOptions) {
-  const sourcemap = opts.proc === 'render'
+  const sourcemap = opts.proc === 'render';
   const options: RollupOptions = {
     input: path.join(__dirname, `../electron/${opts.proc}/index.ts`),
     output: {
@@ -30,13 +30,13 @@ export default function (opts: ConfigOptions) {
         extensions: ['.ts', '.js', 'json'],
       }),
       commonjs({
-        include: compilationInclude
+        include: compilationInclude,
       }),
       json(),
       typescript({
         sourceMap: sourcemap,
         noEmitOnError: true,
-        include: compilationInclude
+        include: compilationInclude,
       }),
       alias({
         entries: {
@@ -45,11 +45,15 @@ export default function (opts: ConfigOptions) {
       }),
       copy({
         // 复制 favicon.ico 到指定目录
-        targets: [{ src: 'app_favicon.ico', dest: 'dist' }],
+        targets: [
+          { src: 'public/app_favicon.ico', dest: 'dist' },
+          { src: 'public/favicon.ico', dest: 'dist' },
+        ],
       }),
       replace({
         ...Object.entries({ ...getEnv(), NODE_ENV: opts.env }).reduce(
-          (acc, [k, v]) => Object.assign(acc, { [`process.env.${k}`]: JSON.stringify(v) }),
+          (acc, [k, v]) =>
+            Object.assign(acc, { [`process.env.${k}`]: JSON.stringify(v) }),
           {},
         ),
         preventAssignment: true,
@@ -59,10 +63,10 @@ export default function (opts: ConfigOptions) {
     onwarn: (warning) => {
       // https://github.com/rollup/rollup/issues/1089#issuecomment-365395213
       if (warning.code !== 'CIRCULAR_DEPENDENCY') {
-        console.error(`(!) ${warning.message}`)
+        console.error(`(!) ${warning.message}`);
       }
     },
-  }
+  };
 
-  return options
+  return options;
 }
diff --git a/src/assets/styles/main.scss b/src/assets/styles/main.scss
index 30b5ed186e0b3915fc3ea5fc1fba8f2015905b1a..8b4c0fe40ef60d20753d20b0adad8ed3557c6e5d 100644
--- a/src/assets/styles/main.scss
+++ b/src/assets/styles/main.scss
@@ -5,4 +5,8 @@
 // 全局重写tooltip样式
 .el-popper {
     max-width: 376px !important;
+}
+body {
+  will-change: transform;
+  transition: transform 0.3s ease;
 }
\ No newline at end of file
diff --git a/src/assets/styles/theme.scss b/src/assets/styles/theme.scss
index c1b484c173e1863fe8ddddde254d5d1b67032825..799437cdec305e480712d0f5c58df972d8973273 100644
--- a/src/assets/styles/theme.scss
+++ b/src/assets/styles/theme.scss
@@ -1,4 +1,5 @@
 body[theme='dark'] {
+  background-color: #000000;
   --o-bg-image: url('../../assets/images/dark_background.png');
   --o-shell-image: url('../../assets/images/dark_shell.png');
   --o-sider: url('../../assets/images/dark_sider.png');
@@ -76,6 +77,7 @@ body[theme='dark'] {
 }
 
 body[theme='light'] {
+  background-color: #ffffff;
   --o-bg-image: url('../../assets/images/light_background.png');
   --o-shell-image: url('../../assets/images/light_shell.png');
   --o-sider: url('../../assets/images/light_sider.png');
diff --git a/src/components/dialoguePanel/DialoguePanel.vue b/src/components/dialoguePanel/DialoguePanel.vue
index 73a1f5bd16cb12ce5a0ee2636052581cfc271a90..4cc9785655a0f856540dcb76d40d5cec4199be97 100644
--- a/src/components/dialoguePanel/DialoguePanel.vue
+++ b/src/components/dialoguePanel/DialoguePanel.vue
@@ -399,7 +399,7 @@ const selectQuestion = (item: Suggest) => {
 };
 
 const popperSize = () => {
-  if (language.value == 'EN') {
+  if (language.value == 'en') {
     size.width = 418;
     size.height = 496;
     return size;
diff --git a/src/i18n/index.ts b/src/i18n/index.ts
index 766c6bfc105a12cab31aae09983b2ec9e34f7ad5..51a29f8b882bb35f5fc5d4b65729ab30b94ae0f9 100644
--- a/src/i18n/index.ts
+++ b/src/i18n/index.ts
@@ -1,14 +1,16 @@
 import { createI18n } from 'vue-i18n';
 // 语言包
-import CN from './lang/zh-cn';
-import EN from './lang/en';
+import zh_cn from './lang/zh-cn';
+import en from './lang/en';
+
+const locale = localStorage.getItem('localeLang') || 'zh_cn';
 
 const i18n = createI18n({
   legacy: false, // 设置为 false，启用 composition API 模式
-  locale: localStorage.getItem('localeLang') || 'CN',
+  locale,
   messages: {
-    CN,
-    EN,
+    zh_cn,
+    en,
   },
 });
 export default i18n;
diff --git a/src/qiankun.ts b/src/qiankun.ts
index f95669574b8b2464699776aab6d81171fa26654e..8d13fd8e7b8637b1b040150245f93a4bee5be360 100644
--- a/src/qiankun.ts
+++ b/src/qiankun.ts
@@ -4,7 +4,7 @@ import { useAccountStore } from 'src/store';
 
 export function qiankunMounted(props: QiankunProps) {
   const { theme, lang } = props.inittailData;
-  const language = lang === 'en' ? 'EN' : 'CN';
+  const language = lang;
   localStorage.setItem('localeLang', language);
   localStorage.setItem('theme', theme);
   i18n.global.locale.value = language;
@@ -20,7 +20,7 @@ function onQiankunGlobalChange(globalState: any) {
   }
 
   if (globalState.lang) {
-    const language = globalState.lang === 'en' ? 'EN' : 'CN';
+    const language = globalState.lang;
     localStorage.setItem('localeLang', language);
     i18n.global.locale.value = language;
   }
diff --git a/src/store/conversation.ts b/src/store/conversation.ts
index 98af97c46868ebcf1f0e2bddeff4e50a40209030..e92988c5023ff54c775e7cfb6c5ec44fd71af18a 100644
--- a/src/store/conversation.ts
+++ b/src/store/conversation.ts
@@ -8,7 +8,7 @@
 // PURPOSE.
 // See the Mulan PSL v2 for more details.
 import { defineStore } from 'pinia';
-import { ref, nextTick, watch, onMounted } from 'vue';
+import { ref, nextTick, watch, onMounted, onBeforeUnmount } from 'vue';
 import { useAccountStore, useHistorySessionStore } from 'src/store';
 import {
   AppShowType,
@@ -100,7 +100,7 @@ export const useSessionStore = defineStore('conversation', () => {
     },
     ind?: number,
   ): Promise<void> => {
-    const language = localStorage.getItem('localeLang') === 'EN' ? 'en' : 'zh';
+    const language = localStorage.getItem('localeLang');
     const { currentSelectedSession } = useHistorySessionStore();
     params.conversationId = currentSelectedSession;
     // 当前问答在整个问答记录中的索引 openouler有什么ai特性
@@ -873,19 +873,42 @@ export const useSessionStore = defineStore('conversation', () => {
   };
 });
 
+import { electronProcess } from '@/utils/electron';
 export const useChangeThemeStore = defineStore('theme', () => {
   const theme = ref('');
-  if (localStorage.getItem('theme')) {
-    theme.value = localStorage.getItem('theme') || 'dark';
+  // if (localStorage.getItem('theme')) {
+  //   theme.value = localStorage.getItem('theme') || 'dark';
+  // }
+
+  function updateTheme(t: 'dark' | 'light') {
+    theme.value = t;
+  }
+
+  function storageListener(e: StorageEvent) {
+    if (e.key === 'theme') {
+      theme.value = e.newValue || 'light';
+      document.body.setAttribute('theme', theme.value);
+    }
   }
 
+  watch(
+    () => theme.value,
+    (newVal) => {
+      localStorage.setItem('theme', newVal);
+      document.body.setAttribute('theme', newVal);
+    },
+  );
+
   onMounted(() => {
-    window.addEventListener('storage', (e: StorageEvent) => {
-      if (e.key === 'theme') {
-        theme.value = e.newValue || 'light';
-        document.body.setAttribute('theme', theme.value);
-      }
-    });
+    if (electronProcess) {
+      electronProcess.env['EULERCOPILOT_THEME'] &&
+        updateTheme(electronProcess.env['EULERCOPILOT_THEME']);
+    }
+    window.addEventListener('storage', storageListener);
+  });
+
+  onBeforeUnmount(() => {
+    window.removeEventListener('storage', storageListener);
   });
   return {
     theme,
diff --git a/src/store/lang.ts b/src/store/lang.ts
index 44dfd47bb1a16cfbe068bb6f0544b1c180c8e460..ef1f1796096384b511113ea1cd9f5a6b0b29a30b 100644
--- a/src/store/lang.ts
+++ b/src/store/lang.ts
@@ -1,15 +1,30 @@
 import { defineStore } from 'pinia';
-import { ref } from 'vue';
+import { onMounted, ref } from 'vue';
 import { useI18n } from 'vue-i18n';
+import { electronProcess, ipcRenderer } from '@/utils/electron';
 
 export const useLangStore = defineStore('lang', () => {
   const i18n = useI18n();
-  const language = ref<string>(localStorage.getItem('localeLang') || 'CN');
-  const changeLanguage = (data: 'CN' | 'EN') => {
-    language.value = data.toString();
+  const language = ref<string>(localStorage.getItem('localeLang') || 'en');
+  const changeLanguage = (lang: 'zh_cn' | 'en') => {
+    language.value = lang;
     i18n.locale.value = language.value;
-    localStorage.setItem('localeLang', data);
+    localStorage.setItem('localeLang', lang);
+    if (ipcRenderer) {
+      ipcRenderer.invoke('copilot:lang', { lang });
+    }
   };
+
+  onMounted(() => {
+    if (electronProcess) {
+      const nlsConfig = JSON.parse(
+        electronProcess.env['EULERCOPILOT_NLS_CONFIG'],
+      );
+
+      electronProcess.env['EULERCOPILOT_NLS_CONFIG'] &&
+        changeLanguage(nlsConfig.userLocale);
+    }
+  });
   return {
     language,
     changeLanguage,
diff --git a/src/utils/electron.ts b/src/utils/electron.ts
index 281fabfd3a3bdb275422ff8eb310255f463571b3..e1f95bb60d2a18fdd9264bff966a5dface280336 100644
--- a/src/utils/electron.ts
+++ b/src/utils/electron.ts
@@ -1,3 +1,10 @@
+// You can use this software according to the terms and conditions of the Mulan PSL v2.
+// You may obtain a copy of Mulan PSL v2 at:
+//      http://license.coscl.org.cn/MulanPSL2
+// THIS SOFTWARE IS PROVIDED ON AN 'AS IS' BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR
+// PURPOSE.
+// See the Mulan PSL v2 for more details.
 export const electronProcess = window.eulercopilot
   ? window.eulercopilot.process
   : undefined;
@@ -5,9 +12,3 @@ export const electronProcess = window.eulercopilot
 export const ipcRenderer = window.eulercopilot
   ? window.eulercopilot.ipcRenderer
   : undefined;
-// export const isElectron = window.eulercopilot.process.versions.electron
-//   ? true
-//   : false;
-
-// export const ipcRenderer = window.eulercopilot.ipcRenderer;
-// export const platform = window.eulercopilot.process.platform;
diff --git a/src/views/chat/index.vue b/src/views/chat/index.vue
index 72c1177d79b3423ca286279f0ea1973267554597..26e22aa357b0f9db8d8c96d66f64331558e72488 100644
--- a/src/views/chat/index.vue
+++ b/src/views/chat/index.vue
@@ -128,14 +128,9 @@ onBeforeUnmount(() => {
   background-size: cover;
   background-position: center;
   color: var(--o-text-color-primary);
-  padding: 40px 0 0 0;
 }
 
 .chat-header {
-  position: fixed;
-  top: 0;
-  left: 0;
-  width: 100%;
   display: flex;
   justify-content: space-between;
   align-items: center;
@@ -143,19 +138,21 @@ onBeforeUnmount(() => {
   padding: 0 24px;
   background-color: var(--o-bg-color-base);
   box-shadow: 2px 0 8px 0 rgba(29, 35, 41, 0.1);
-  // -webkit-app-region: drag;
+  -webkit-app-region: drag;
 
   &-logo {
     display: flex;
     align-items: center;
     gap: 10px;
     flex: 1;
-    -webkit-app-region: drag;
+  }
+  &-operation {
+    -webkit-app-region: no-drag;
   }
 }
 
 .chat-container {
-  height: 100%;
+  height: calc(100% - 40px);
   display: flex;
   flex-direction: column;
   align-items: center;
diff --git a/src/views/dialogue/components/DialogueSession.vue b/src/views/dialogue/components/DialogueSession.vue
index 9d03fb1bb641486b37150cf0a074effa634c589a..d0b9e32292e40383d9fabeb7e32ee45cd41cea23 100644
--- a/src/views/dialogue/components/DialogueSession.vue
+++ b/src/views/dialogue/components/DialogueSession.vue
@@ -170,7 +170,6 @@ const handleSendMessage = async (
   user_selected_flow?: string[],
 ) => {
   if (isAnswerGenerating.value || !isAllowToSend.value) return;
-  const language = localStorage.getItem('localeLang') === 'CN' ? 'zh' : 'en';
   const len = conversationList.value.length;
   if (
     len > 0 &&
diff --git a/src/views/dialogue/components/ReportPopover.vue b/src/views/dialogue/components/ReportPopover.vue
index 7a7b57be090cbffc4dd069c90c20e343cf1bd833..a0941b6a8165c8290f348e3c0dc24d54c00b2a10 100644
--- a/src/views/dialogue/components/ReportPopover.vue
+++ b/src/views/dialogue/components/ReportPopover.vue
@@ -70,7 +70,7 @@ const handleComplaint = () => {
     <ul class="against-list">
       <el-radio-group v-model="radio" class="ml-4">
         <div
-          :class="[language === 'EN' ? 'radio-en' : 'radio']"
+          :class="[language === 'en' ? 'radio-en' : 'radio']"
           v-for="(item, index) in list"
           :key="index"
         >
diff --git a/src/views/dialogue/components/TitleBar.vue b/src/views/dialogue/components/TitleBar.vue
index 10109f61f6df5f1120d4dd3048795bc99a799774..61d81d99164c7250a0a76195a4aa6a9d166b070f 100644
--- a/src/views/dialogue/components/TitleBar.vue
+++ b/src/views/dialogue/components/TitleBar.vue
@@ -15,9 +15,9 @@ const { language } = storeToRefs(useLangStore());
 const { changeLanguage } = useLangStore();
 const themeStore = useChangeThemeStore();
 
-const lang = computed(() => (language.value === 'EN' ? 'English' : '简体中文'));
+const lang = computed(() => (language.value === 'en' ? 'English' : '简体中文'));
 
-const changeLanguagefun = (lang: 'CN' | 'EN') => {
+const changeLanguagefun = (lang: 'zh_cn' | 'en') => {
   changeLanguage(lang);
   // 同步语言到iframe
   const iframe = document.querySelector<HTMLIFrameElement>('#my-iframe');
@@ -26,6 +26,9 @@ const changeLanguagefun = (lang: 'CN' | 'EN') => {
     let target = `${window.location.origin}/witchaind`;
     iframe.contentWindow.postMessage(data, target);
   }
+  if (ipcRenderer) {
+    ipcRenderer.invoke('copilot:lang', { lang: lang });
+  }
 };
 
 const theme = ref(localStorage.getItem('theme') || 'light');
@@ -87,7 +90,7 @@ const headerStyles = computed<CSSProperties>(() => {
         <div
           class="exit-button lang-button"
           :class="lang === 'English' ? 'lang-selected' : ''"
-          @click="changeLanguagefun('EN')"
+          @click="changeLanguagefun('en')"
         >
           English
         </div>
@@ -95,7 +98,7 @@ const headerStyles = computed<CSSProperties>(() => {
         <div
           class="exit-button lang-button"
           :class="lang === '简体中文' ? 'lang-selected' : ''"
-          @click="changeLanguagefun('CN')"
+          @click="changeLanguagefun('zh_cn')"
         >
           简体中文
         </div>
@@ -141,8 +144,8 @@ const headerStyles = computed<CSSProperties>(() => {
   height: 48px;
   padding: 0 24px;
   background-color: var(--o-bg-color-base);
+  -webkit-app-region: drag;
   &-left {
-    -webkit-app-region: drag;
     flex: 1;
   }
   span {
@@ -173,6 +176,7 @@ const headerStyles = computed<CSSProperties>(() => {
     }
   }
   .header-right {
+    -webkit-app-region: no-drag;
     display: flex;
     .mode {
       cursor: pointer;
diff --git a/src/views/dialogue/dialogueView.vue b/src/views/dialogue/dialogueView.vue
index a069a5de330880e7ff2d33dda76ce1bda1c859a3..3ce297d101e5a8a8fad62d670b73fb19df2498f5 100644
--- a/src/views/dialogue/dialogueView.vue
+++ b/src/views/dialogue/dialogueView.vue
@@ -6,12 +6,8 @@ import {
   useHistorySessionStore,
   useSessionStore,
   useAccountStore,
-  useLangStore,
 } from 'src/store';
-import { marked } from 'marked';
-import { ARGEEMENT_VERSION } from 'src/conf/version';
 import { useChangeThemeStore } from 'src/store';
-import { qiankunWindow } from 'vite-plugin-qiankun/dist/helper';
 import { api } from 'src/apis';
 import { ElMessage } from 'element-plus';
 import { watch } from 'vue';
@@ -37,12 +33,6 @@ const { createNewSession } = useHistorySessionStore();
 
 // 挂载全局事件
 window.onHtmlEventDispatch = onHtmlEventDispatch as any;
-const { logout } = useAccountStore();
-const { historySession } = storeToRefs(useHistorySessionStore());
-const { conversationList } = storeToRefs(useSessionStore());
-const { language } = storeToRefs(useLangStore());
-const { changeLanguage } = useLangStore();
-const dialogVisible = ref(false);
 const themeStore = useChangeThemeStore();
 const apikeyVisible = ref(false);
 const KnowledgeVisible = ref(false);
@@ -114,46 +104,8 @@ const formValidateStatus = ref<any>({
   kb_id: true,
 });
 
-const logoutHandler = () => {
-  logout();
-  historySession.value = [];
-  conversationList.value = [];
-};
-
-// 协议内容
-const agreement = ref<string>('');
-// 协议版本
-const agreementVersion = ref<string>(ARGEEMENT_VERSION);
-
-/**
- * 读取协议
- */
-const readAgreement = async () => {
-  const response = await import('src/conf/agreement.md?raw');
-  agreement.value = marked.parse(response.default) as string;
-};
-
-/**
- * 处理服务协议是否显示
- * @param CheckedVersion
- */
-const handleAgreement = async (CheckedVersion: string | null) => {
-  if (agreementVersion.value === CheckedVersion) {
-    return;
-  }
-  await readAgreement();
-  dialogVisible.value = true;
-};
-
 const theme = ref(localStorage.getItem('theme') || 'light');
 
-const changeTheme = () => {
-  theme.value = theme.value === 'dark' ? 'light' : 'dark';
-  document.body.setAttribute('theme', theme.value);
-  localStorage.setItem('theme', theme.value);
-  themeStore.theme = theme.value;
-};
-
 const createApi = async () => {
   apikey.value = '';
   revoke.value = false;
@@ -194,8 +146,6 @@ const copy = () => {
   navigator.clipboard.writeText(apikey.value);
 };
 
-const lang = computed(() => (language.value === 'EN' ? 'English' : '简体中文'));
-
 const handleConfirmCreateModel = async (formData: any | undefined) => {
   const [_, res] = await api.updateKnowledgeList({
     kb_id: ruleForm.kb_id || '',
@@ -211,17 +161,6 @@ const handleConfirmCreateModel = async (formData: any | undefined) => {
   }
 };
 
-const changeLanguagefun = (lang: 'CN' | 'EN') => {
-  changeLanguage(lang);
-  // 同步语言到iframe
-  const iframe = document.querySelector<HTMLIFrameElement>('#my-iframe');
-  if (iframe?.contentWindow) {
-    const data = { lang: localStorage.getItem('localeLang') };
-    let target = `${window.location.origin}/witchaind`;
-    iframe.contentWindow.postMessage(data, target);
-  }
-};
-
 const handleFormValidate = (prop: any, isValid: boolean, message: string) => {
   formValidateStatus.value[prop] = isValid;
 };
@@ -310,66 +249,6 @@ watch(
 <template>
   <div class="dialogue" id="dialogId">
     <TitleBar />
-    <!-- <header
-      class="dialogue-header"
-      v-if="!qiankunWindow.__POWERED_BY_QIANKUN__"
-    >
-      <span>
-        <img src="@/assets/svgs/euler_copilot_logo.svg" />
-        <h4>{{ $t('home.name') }}</h4>
-      </span>
-      <div class="header-right">
-        <el-popover popper-class="popper-class">
-          <template #reference>
-            <span class="language">{{ lang }}</span>
-          </template>
-          <div
-            class="exit-button lang-button"
-            :class="lang === 'English' ? 'lang-selected' : ''"
-            @click="changeLanguagefun('EN')"
-          >
-            English
-          </div>
-          <div class="divider"></div>
-          <div
-            class="exit-button lang-button"
-            :class="lang === '简体中文' ? 'lang-selected' : ''"
-            @click="changeLanguagefun('CN')"
-          >
-            简体中文
-          </div>
-        </el-popover>
-        <div class="mode">
-          <span v-if="theme === 'light'" @click="changeTheme">
-            <img id="sun-icon" src="@/assets/svgs/sun.svg" alt="" />
-          </span>
-          <span v-else @click="changeTheme">
-            <img id="moon-icon" src="@/assets/svgs/moon.svg" alt="" />
-          </span>
-        </div>
-
-        <el-popover popper-class="popper-class">
-          <template #reference>
-            <img class="avatar" src="@/assets/svgs/user.svg" />
-          </template>
-          <div
-            class="exit-button lang-button"
-            type="primary"
-            @click="logoutHandler"
-          >
-            {{ $t('Login.logout') }}
-          </div>
-          <div class="divider"></div>
-          <div class="exit-button lang-button" @click="apikeyVisible = true">
-            API KEY
-          </div>
-          <div class="divider"></div>
-          <div class="exit-button lang-button" @click="KnowledgeVisible = true">
-            {{ i18n.global.t('witChainD.witChainD') }}
-          </div>
-        </el-popover>
-      </div>
-    </header> -->
     <div class="dialogue-container">
       <div class="dialogue-menu">
         <router-link
@@ -758,48 +637,5 @@ watch(
   overflow: hidden;
   background-image: var(--o-bg-image);
   background-size: cover;
-  &-header {
-    display: flex;
-    justify-content: space-between;
-    align-items: center;
-    height: 48px;
-    padding: 0 24px;
-    background-color: var(--o-bg-color-base);
-    span {
-      align-items: center;
-      display: flex;
-      align-content: center;
-      vertical-align: top;
-      font-size: 16px;
-      height: 48px;
-      img {
-        width: 24px;
-        height: 48px;
-        border-radius: 50%;
-      }
-      h4 {
-        font-size: 18px;
-        margin-left: 5px;
-        color: var(--o-text-color-primary);
-      }
-    }
-    .avatar {
-      width: 24px;
-      height: 48px;
-      border-radius: 50%;
-      cursor: pointer;
-      &:hover {
-        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
-      }
-    }
-    .header-right {
-      display: flex;
-      .mode {
-        cursor: pointer;
-        margin-right: 18px;
-        margin-left: 18px;
-      }
-    }
-  }
 }
 </style>