diff --git a/electron/electron.js b/electron/electron.js
index 70d865ca7..e18c69307 100644
--- a/electron/electron.js
+++ b/electron/electron.js
@@ -63,7 +63,6 @@ let showState = {},
         try {
             if (typeof showState[win.webContents.id] === 'undefined') {
                 showState[win.webContents.id] = true
-                win.setBackgroundColor('rgba(255, 255, 255, 0)')
                 win.show();
             }
         } catch (e) {
@@ -509,7 +508,7 @@ function createWebTabWindow(args) {
             autoHideMenuBar: true,
             titleBarStyle: 'hidden',
             titleBarOverlay,
-            backgroundColor: utils.getDefaultBackgroundColor(),
+            backgroundColor: nativeTheme.shouldUseDarkColors ? '#3B3B3D' : '#EFF0F4',
             webPreferences: Object.assign({
                 preload: path.join(__dirname, 'electron-preload.js'),
                 webSecurity: true,
@@ -519,12 +518,6 @@ function createWebTabWindow(args) {
             }, webPreferences),
         }, config))
 
-        if (nativeTheme.shouldUseDarkColors) {
-            webTabWindow.setBackgroundColor('#3B3B3D')
-        } else {
-            webTabWindow.setBackgroundColor('#EFF0F4')
-        }
-
         webTabWindow.on('resize', () => {
             resizeWebTab(0)
         })
@@ -792,6 +785,32 @@ function closeWebTab(id) {
     }
 }
 
+/**
+ * 监听主题变化
+ */
+function monitorThemeChanges() {
+    let currentTheme = nativeTheme.shouldUseDarkColors ? 'dark' : 'light';
+    nativeTheme.on('updated', () => {
+        const newTheme = nativeTheme.shouldUseDarkColors ? 'dark' : 'light';
+        if (currentTheme === newTheme) {
+            return
+        }
+        currentTheme = newTheme;
+        // 更新背景
+        const backgroundColor = utils.getDefaultBackgroundColor()
+        mainWindow?.setBackgroundColor(backgroundColor);
+        preloadWindow?.setBackgroundColor(backgroundColor);
+        childWindow.some(({browser}) => browser.setBackgroundColor(backgroundColor))
+        webTabWindow?.setBackgroundColor(nativeTheme.shouldUseDarkColors ? '#3B3B3D' : '#EFF0F4')
+        // 通知所有窗口
+        BrowserWindow.getAllWindows().forEach(window => {
+            window.webContents.send('systemThemeChanged', {
+                theme: currentTheme,
+            });
+        });
+    })
+}
+
 const getTheLock = app.requestSingleInstanceLock()
 if (!getTheLock) {
     app.quit()
@@ -810,16 +829,8 @@ if (!getTheLock) {
         createMainWindow()
         // 预创建子窗口
         preCreateChildWindow()
-        // 监听主题变化（重建预窗口）
-        let currentTheme = nativeTheme.shouldUseDarkColors ? 'dark' : 'light';
-        nativeTheme.on('updated', () => {
-            const newTheme = nativeTheme.shouldUseDarkColors ? 'dark' : 'light';
-            if (currentTheme !== newTheme) {
-                currentTheme = newTheme;
-                preloadWindow?.close()
-                preCreateChildWindow()
-            }
-        })
+        // 监听主题变化
+        monitorThemeChanges()
         // 创建托盘
         if (['darwin', 'win32'].includes(process.platform) && utils.isJson(config.trayIcon)) {
             mainTray = new Tray(path.join(__dirname, config.trayIcon[devloadUrl ? 'dev' : 'prod'][process.platform === 'darwin' ? 'mac' : 'win']));
@@ -1050,9 +1061,7 @@ ipcMain.on('childWindowCloseAll', (event) => {
     childWindow.some(({browser}) => {
         browser && browser.close()
     })
-    if (preloadWindow) {
-        preloadWindow.close()
-    }
+    preloadWindow?.close()
     event.returnValue = "ok"
 })
 
@@ -1063,9 +1072,7 @@ ipcMain.on('childWindowDestroyAll', (event) => {
     childWindow.some(({browser}) => {
         browser && browser.destroy()
     })
-    if (preloadWindow) {
-        preloadWindow.destroy()
-    }
+    preloadWindow?.destroy()
     event.returnValue = "ok"
 })
 
@@ -1381,9 +1388,7 @@ ipcMain.on('updateQuitAndInstall', (event, args) => {
     childWindow.some(({browser}) => {
         browser && browser.destroy()
     })
-    if (preloadWindow) {
-        preloadWindow.destroy()
-    }
+    preloadWindow?.destroy()
 
     // 启动更新子窗口
     createUpdaterWindow(args.updateTitle)
diff --git a/electron/package.json b/electron/package.json
index c5255b402..42a0434e2 100755
--- a/electron/package.json
+++ b/electron/package.json
@@ -26,13 +26,13 @@
         "url": "https://github.com/kuaifan/dootask.git"
     },
     "devDependencies": {
-        "@electron-forge/cli": "^7.5.0",
-        "@electron-forge/maker-deb": "^7.5.0",
-        "@electron-forge/maker-rpm": "^7.5.0",
-        "@electron-forge/maker-squirrel": "^7.5.0",
-        "@electron-forge/maker-zip": "^7.5.0",
+        "@electron-forge/cli": "^7.6.0",
+        "@electron-forge/maker-deb": "^7.6.0",
+        "@electron-forge/maker-rpm": "^7.6.0",
+        "@electron-forge/maker-squirrel": "^7.6.0",
+        "@electron-forge/maker-zip": "^7.6.0",
         "dotenv": "^16.4.5",
-        "electron": "^33.2.0",
+        "electron": "^33.2.1",
         "electron-builder": "^25.1.8",
         "electron-notarize": "^1.2.2",
         "form-data": "^4.0.1",
diff --git a/resources/assets/js/App.vue b/resources/assets/js/App.vue
index 618335585..ebe55d057 100755
--- a/resources/assets/js/App.vue
+++ b/resources/assets/js/App.vue
@@ -394,6 +394,9 @@ export default {
             this.$Electron.registerMsgListener('browserWindowFocus', _ => {
                 this.$store.state.windowActive = true;
             })
+            this.$Electron.registerMsgListener('systemThemeChanged', _ => {
+                this.autoTheme()
+            })
             $A.bindScreenshotKey(this.$store.state.cacheKeyboard);
             //
             this.$Electron.sendMessage('setMenuLanguage', {