feat(installer): allow deleting user data on uninstall

desktop/scripts/installer-custom.nsh

@@ -78,3 +78,78 @@ Function WDA_InstallDirPageLeave
 FunctionEnd
 
 !endif
+
+!ifdef BUILD_UNINSTALLER
+!include nsDialogs.nsh
+!include LogicLib.nsh
+
+Var WDA_UninstallOptionsPage
+Var WDA_UninstallDeleteDataCheckbox
+Var /GLOBAL WDA_DeleteUserData
+
+!macro customUnInit
+  ; Default: keep user data (also applies to silent uninstall / update uninstall).
+  StrCpy $WDA_DeleteUserData "0"
+!macroend
+
+!macro customUnWelcomePage
+  !insertmacro MUI_UNPAGE_WELCOME
+  ; Optional page: allow user to choose whether to delete app data.
+  UninstPage custom un.WDA_UninstallOptionsCreate un.WDA_UninstallOptionsLeave
+!macroend
+
+Function un.WDA_UninstallOptionsCreate
+  nsDialogs::Create 1018
+  Pop $WDA_UninstallOptionsPage
+
+  ${If} $WDA_UninstallOptionsPage == error
+    Abort
+  ${EndIf}
+
+  ${NSD_CreateLabel} 0u 0u 100% 24u "卸载选项："
+  Pop $0
+
+  ${NSD_CreateCheckbox} 0u 24u 100% 12u "同时删除用户数据（导出的聊天记录、日志、配置等）"
+  Pop $WDA_UninstallDeleteDataCheckbox
+  ; Safer default: do not delete.
+  ${NSD_Uncheck} $WDA_UninstallDeleteDataCheckbox
+
+  nsDialogs::Show
+FunctionEnd
+
+Function un.WDA_UninstallOptionsLeave
+  ${NSD_GetState} $WDA_UninstallDeleteDataCheckbox $0
+  ${If} $0 == ${BST_CHECKED}
+    StrCpy $WDA_DeleteUserData "1"
+  ${Else}
+    StrCpy $WDA_DeleteUserData "0"
+  ${EndIf}
+FunctionEnd
+
+!macro customUnInstall
+  ; If this is an update uninstall, never delete user data.
+  ${ifNot} ${isUpdated}
+    ${if} $WDA_DeleteUserData == "1"
+      ; Electron always stores user data per-user. If the app was installed for all users,
+      ; switch to current user context to remove the correct AppData directory.
+      ${if} $installMode == "all"
+        SetShellVarContext current
+      ${endif}
+
+      RMDir /r "$APPDATA\${APP_FILENAME}"
+      !ifdef APP_PRODUCT_FILENAME
+        RMDir /r "$APPDATA\${APP_PRODUCT_FILENAME}"
+      !endif
+      ; Electron may use package.json "name" for some storage (cache, indexeddb, etc.).
+      !ifdef APP_PACKAGE_NAME
+        RMDir /r "$APPDATA\${APP_PACKAGE_NAME}"
+      !endif
+
+      ${if} $installMode == "all"
+        SetShellVarContext all
+      ${endif}
+    ${endif}
+  ${endif}
+!macroend
+
+!endif

desktop/src/main.cjs

@@ -2,6 +2,7 @@ const {
   app,
   BrowserWindow,
   Menu,
+  Tray,
   ipcMain,
   globalShortcut,
   dialog,
@@ -18,19 +19,86 @@ const BACKEND_HEALTH_URL = `http://${BACKEND_HOST}:${BACKEND_PORT}/api/health`;
 
 let backendProc = null;
 let backendStdioStream = null;
+let resolvedDataDir = null;
+let mainWindow = null;
+let tray = null;
+let isQuitting = false;
+let desktopSettings = null;
 
 function nowIso() {
   return new Date().toISOString();
 }
 
-function getUserDataDir() {
+function resolveDataDir() {
+  if (resolvedDataDir) return resolvedDataDir;
+
+  const fromEnv = String(process.env.WECHAT_TOOL_DATA_DIR || "").trim();
+  const fallback = (() => {
+    try {
+      return app.getPath("userData");
+    } catch {
+      return null;
+    }
+  })();
+
+  const chosen = fromEnv || fallback;
+  if (!chosen) return null;
+
   try {
-    return app.getPath("userData");
+    fs.mkdirSync(chosen, { recursive: true });
+  } catch {}
+
+  resolvedDataDir = chosen;
+  process.env.WECHAT_TOOL_DATA_DIR = chosen;
+  return chosen;
+}
+
+function getUserDataDir() {
+  // Backwards-compat: we historically used Electron's userData directory for runtime storage.
+  // Keep this name but resolve to the effective data dir (can be overridden via env).
+  return resolveDataDir();
+}
+
+function getExeDir() {
+  try {
+    return path.dirname(process.execPath);
   } catch {
     return null;
   }
 }
 
+function ensureOutputLink() {
+  // Users often expect an `output/` folder near the installed exe. We keep the real data
+  // in the per-user data dir, and (when possible) create a Windows junction next to the exe.
+  if (!app.isPackaged) return;
+
+  const exeDir = getExeDir();
+  const dataDir = resolveDataDir();
+  if (!exeDir || !dataDir) return;
+
+  const target = path.join(dataDir, "output");
+  const linkPath = path.join(exeDir, "output");
+
+  // If the target doesn't exist yet, create it so the link points somewhere real.
+  try {
+    fs.mkdirSync(target, { recursive: true });
+  } catch {}
+
+  // If something already exists at linkPath, do not overwrite it.
+  try {
+    if (fs.existsSync(linkPath)) return;
+  } catch {
+    return;
+  }
+
+  try {
+    fs.symlinkSync(target, linkPath, "junction");
+    logMain(`[main] created output link: ${linkPath} -> ${target}`);
+  } catch (err) {
+    logMain(`[main] failed to create output link: ${err?.message || err}`);
+  }
+}
+
 function getMainLogPath() {
   const dir = getUserDataDir();
   if (!dir) return null;
@@ -46,6 +114,163 @@ function logMain(line) {
   } catch {}
 }
 
+function getDesktopSettingsPath() {
+  const dir = getUserDataDir();
+  if (!dir) return null;
+  return path.join(dir, "desktop-settings.json");
+}
+
+function loadDesktopSettings() {
+  if (desktopSettings) return desktopSettings;
+
+  const defaults = {
+    // 'tray' (default): closing the window hides it to the system tray.
+    // 'exit': closing the window quits the app.
+    closeBehavior: "tray",
+  };
+
+  const p = getDesktopSettingsPath();
+  if (!p) {
+    desktopSettings = { ...defaults };
+    return desktopSettings;
+  }
+
+  try {
+    if (!fs.existsSync(p)) {
+      desktopSettings = { ...defaults };
+      return desktopSettings;
+    }
+    const raw = fs.readFileSync(p, { encoding: "utf8" });
+    const parsed = JSON.parse(raw || "{}");
+    desktopSettings = { ...defaults, ...(parsed && typeof parsed === "object" ? parsed : {}) };
+  } catch (err) {
+    desktopSettings = { ...defaults };
+    logMain(`[main] failed to load settings: ${err?.message || err}`);
+  }
+
+  return desktopSettings;
+}
+
+function persistDesktopSettings() {
+  const p = getDesktopSettingsPath();
+  if (!p) return;
+  if (!desktopSettings) return;
+
+  try {
+    fs.mkdirSync(path.dirname(p), { recursive: true });
+    fs.writeFileSync(p, JSON.stringify(desktopSettings, null, 2), { encoding: "utf8" });
+  } catch (err) {
+    logMain(`[main] failed to persist settings: ${err?.message || err}`);
+  }
+}
+
+function getCloseBehavior() {
+  const v = String(loadDesktopSettings()?.closeBehavior || "").trim().toLowerCase();
+  return v === "exit" ? "exit" : "tray";
+}
+
+function setCloseBehavior(next) {
+  const v = String(next || "").trim().toLowerCase();
+  loadDesktopSettings();
+  desktopSettings.closeBehavior = v === "exit" ? "exit" : "tray";
+  persistDesktopSettings();
+  return desktopSettings.closeBehavior;
+}
+
+function getTrayIconPath() {
+  // Prefer an icon shipped in `src/` so it works both in dev and packaged (asar) builds.
+  const shipped = path.join(__dirname, "icon.ico");
+  try {
+    if (fs.existsSync(shipped)) return shipped;
+  } catch {}
+
+  // Dev fallback (not available in packaged builds).
+  const dev = path.resolve(__dirname, "..", "build", "icon.ico");
+  try {
+    if (fs.existsSync(dev)) return dev;
+  } catch {}
+
+  return null;
+}
+
+function showMainWindow() {
+  if (!mainWindow) return;
+  try {
+    mainWindow.setSkipTaskbar(false);
+  } catch {}
+  try {
+    if (mainWindow.isMinimized()) mainWindow.restore();
+  } catch {}
+  try {
+    mainWindow.show();
+  } catch {}
+  try {
+    mainWindow.focus();
+  } catch {}
+}
+
+function createTray() {
+  if (tray) return tray;
+  if (!app.isPackaged) return null;
+
+  const iconPath = getTrayIconPath();
+  if (!iconPath) {
+    logMain("[main] tray icon not found; disabling tray behavior");
+    return null;
+  }
+
+  try {
+    tray = new Tray(iconPath);
+  } catch (err) {
+    tray = null;
+    logMain(`[main] failed to create tray: ${err?.message || err}`);
+    return null;
+  }
+
+  try {
+    tray.setToolTip("WeChatDataAnalysis");
+  } catch {}
+
+  try {
+    tray.setContextMenu(
+      Menu.buildFromTemplate([
+        {
+          label: "显示",
+          click: () => showMainWindow(),
+        },
+        {
+          label: "退出",
+          click: () => {
+            isQuitting = true;
+            app.quit();
+          },
+        },
+      ])
+    );
+  } catch {}
+
+  try {
+    tray.on("click", () => showMainWindow());
+    tray.on("double-click", () => showMainWindow());
+  } catch {}
+
+  return tray;
+}
+
+function destroyTray() {
+  if (!tray) return;
+  try {
+    tray.destroy();
+  } catch {}
+  tray = null;
+}
+
+function ensureTrayForCloseBehavior() {
+  const behavior = getCloseBehavior();
+  if (behavior === "tray") createTray();
+  else destroyTray();
+}
+
 function getBackendStdioLogPath(dataDir) {
   return path.join(dataDir, "backend-stdio.log");
 }
@@ -272,6 +497,26 @@ function createMainWindow() {
     },
   });
 
+  win.on("close", (event) => {
+    // In packaged builds, we default to "close -> minimize to tray" unless the user opts out.
+    if (!app.isPackaged) return;
+    if (isQuitting) return;
+    if (getCloseBehavior() !== "tray") return;
+    if (!tray) return;
+
+    try {
+      event.preventDefault();
+      win.setSkipTaskbar(true);
+      win.hide();
+      try {
+        tray.displayBalloon({
+          title: "WeChatDataAnalysis",
+          content: "已最小化到托盘，可从托盘图标再次打开。",
+        });
+      } catch {}
+    } catch {}
+  });
+
   win.on("closed", () => {
     stopBackend();
   });
@@ -319,6 +564,53 @@ function registerWindowIpc() {
     const win = getWin(event);
     return !!win?.isMaximized();
   });
+
+  ipcMain.handle("app:getAutoLaunch", () => {
+    try {
+      const settings = app.getLoginItemSettings();
+      return !!(settings?.openAtLogin || settings?.executableWillLaunchAtLogin);
+    } catch (err) {
+      logMain(`[main] getAutoLaunch failed: ${err?.message || err}`);
+      return false;
+    }
+  });
+
+  ipcMain.handle("app:setAutoLaunch", (_event, enabled) => {
+    const on = !!enabled;
+    try {
+      app.setLoginItemSettings({ openAtLogin: on });
+    } catch (err) {
+      logMain(`[main] setAutoLaunch(${on}) failed: ${err?.message || err}`);
+      return false;
+    }
+
+    try {
+      const settings = app.getLoginItemSettings();
+      return !!(settings?.openAtLogin || settings?.executableWillLaunchAtLogin);
+    } catch {
+      return on;
+    }
+  });
+
+  ipcMain.handle("app:getCloseBehavior", () => {
+    try {
+      return getCloseBehavior();
+    } catch (err) {
+      logMain(`[main] getCloseBehavior failed: ${err?.message || err}`);
+      return "tray";
+    }
+  });
+
+  ipcMain.handle("app:setCloseBehavior", (_event, behavior) => {
+    try {
+      const next = setCloseBehavior(behavior);
+      ensureTrayForCloseBehavior();
+      return next;
+    } catch (err) {
+      logMain(`[main] setCloseBehavior failed: ${err?.message || err}`);
+      return getCloseBehavior();
+    }
+  });
 }
 
 async function main() {
@@ -327,12 +619,19 @@ async function main() {
   registerWindowIpc();
   registerDebugShortcuts();
 
+  // Resolve/create the data dir early so we can log reliably and (optionally) place a link
+  // next to the installed exe for easier access.
+  resolveDataDir();
+  ensureOutputLink();
+
   logMain(`[main] app.isPackaged=${app.isPackaged} argv=${JSON.stringify(process.argv)}`);
 
   startBackend();
   await waitForBackend({ timeoutMs: 30_000 });
 
   const win = createMainWindow();
+  mainWindow = win;
+  ensureTrayForCloseBehavior();
 
   const startUrl =
     process.env.ELECTRON_START_URL ||
@@ -360,6 +659,8 @@ app.on("will-quit", () => {
 });
 
 app.on("before-quit", () => {
+  isQuitting = true;
+  destroyTray();
   stopBackend();
 });
 

desktop/src/preload.cjs

@@ -5,5 +5,10 @@ contextBridge.exposeInMainWorld("wechatDesktop", {
   toggleMaximize: () => ipcRenderer.invoke("window:toggleMaximize"),
   close: () => ipcRenderer.invoke("window:close"),
   isMaximized: () => ipcRenderer.invoke("window:isMaximized"),
-});
 
+  getAutoLaunch: () => ipcRenderer.invoke("app:getAutoLaunch"),
+  setAutoLaunch: (enabled) => ipcRenderer.invoke("app:setAutoLaunch", !!enabled),
+
+  getCloseBehavior: () => ipcRenderer.invoke("app:getCloseBehavior"),
+  setCloseBehavior: (behavior) => ipcRenderer.invoke("app:setCloseBehavior", String(behavior || "")),
+});

frontend/pages/chat/[[username]].vue

@@ -25,6 +25,23 @@
             <circle v-if="!privacyMode" cx="12" cy="12" r="3" />
           </svg>
         </div>
+
+        <!-- 设置按钮（仅桌面端） -->
+        <div
+          v-if="isDesktopEnv"
+          class="w-16 h-12 flex items-center justify-center cursor-pointer transition-colors text-gray-500 hover:text-gray-700"
+          @click="openDesktopSettings"
+          title="设置"
+        >
+          <svg class="w-6 h-6" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
+            <path
+              stroke-linecap="round"
+              stroke-linejoin="round"
+              d="M10.325 4.317c.426-1.756 2.924-1.756 3.35 0a1.724 1.724 0 002.573 1.066c1.543-.94 3.31.826 2.37 2.37a1.724 1.724 0 001.065 2.572c1.756.426 1.756 2.924 0 3.35a1.724 1.724 0 00-1.066 2.573c.94 1.543-.826 3.31-2.37 2.37a1.724 1.724 0 00-2.572 1.065c-.426 1.756-2.924 1.756-3.35 0a1.724 1.724 0 00-2.573-1.066c-1.543.94-3.31-.826-2.37-2.37a1.724 1.724 0 00-1.065-2.572c-1.756-.426-1.756-2.924 0-3.35a1.724 1.724 0 001.066-2.573c-.94-1.543.826-3.31 2.37-2.37.996.608 2.296.07 2.572-1.065z"
+            />
+            <path stroke-linecap="round" stroke-linejoin="round" d="M15 12a3 3 0 11-6 0 3 3 0 016 0z" />
+          </svg>
+        </div>
       </div>
     </div>
 
@@ -1543,6 +1560,104 @@
       </div>
     </div>
   </div>
+
+  <!-- 桌面端设置弹窗 -->
+  <div
+    v-if="desktopSettingsOpen"
+    class="fixed inset-0 z-50 flex items-center justify-center bg-black/40"
+    @click.self="closeDesktopSettings"
+  >
+    <div class="w-full max-w-md bg-white rounded-lg shadow-lg">
+      <div class="px-5 py-4 border-b border-gray-200 flex items-center justify-between">
+        <div class="text-base font-medium text-gray-900">设置</div>
+        <button
+          type="button"
+          class="text-gray-500 hover:text-gray-700"
+          @click="closeDesktopSettings"
+          title="关闭"
+        >
+          <svg class="w-5 h-5" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
+            <path stroke-linecap="round" stroke-linejoin="round" d="M6 18L18 6M6 6l12 12" />
+          </svg>
+        </button>
+      </div>
+
+      <div class="px-5 py-4 space-y-4">
+        <div class="flex items-center justify-between gap-4">
+          <div class="min-w-0">
+            <div class="text-sm font-medium text-gray-900">开机自启动</div>
+            <div class="text-xs text-gray-500">系统登录后自动启动桌面端</div>
+          </div>
+          <input
+            type="checkbox"
+            class="h-4 w-4"
+            :checked="desktopAutoLaunch"
+            :disabled="desktopAutoLaunchLoading"
+            @change="onDesktopAutoLaunchToggle"
+          />
+        </div>
+        <div v-if="desktopAutoLaunchError" class="text-xs text-red-600 whitespace-pre-wrap">
+          {{ desktopAutoLaunchError }}
+        </div>
+
+        <div class="flex items-center justify-between gap-4">
+          <div class="min-w-0">
+            <div class="text-sm font-medium text-gray-900">关闭窗口行为</div>
+            <div class="text-xs text-gray-500">点击关闭按钮时：默认最小化到托盘</div>
+          </div>
+          <select
+            class="text-sm px-2 py-1 rounded-md border border-gray-200"
+            :disabled="desktopCloseBehaviorLoading"
+            :value="desktopCloseBehavior"
+            @change="onDesktopCloseBehaviorChange"
+          >
+            <option value="tray">最小化到托盘</option>
+            <option value="exit">直接退出</option>
+          </select>
+        </div>
+        <div v-if="desktopCloseBehaviorError" class="text-xs text-red-600 whitespace-pre-wrap">
+          {{ desktopCloseBehaviorError }}
+        </div>
+
+        <div class="flex items-center justify-between gap-4">
+          <div class="min-w-0">
+            <div class="text-sm font-medium text-gray-900">启动后自动开启实时获取</div>
+            <div class="text-xs text-gray-500">进入聊天页后自动打开“实时开关”（默认关闭）</div>
+          </div>
+          <input
+            type="checkbox"
+            class="h-4 w-4"
+            :checked="desktopAutoRealtime"
+            @change="onDesktopAutoRealtimeToggle"
+          />
+        </div>
+
+        <div class="flex items-center justify-between gap-4">
+          <div class="min-w-0">
+            <div class="text-sm font-medium text-gray-900">有数据时默认进入聊天页</div>
+            <div class="text-xs text-gray-500">有已解密账号时，打开应用默认跳转到 /chat（默认关闭）</div>
+          </div>
+          <input
+            type="checkbox"
+            class="h-4 w-4"
+            :checked="desktopDefaultToChatWhenData"
+            @change="onDesktopDefaultToChatToggle"
+          />
+        </div>
+      </div>
+
+      <div class="px-5 py-4 border-t border-gray-200 flex items-center justify-end gap-2">
+        <button
+          type="button"
+          class="text-sm px-3 py-2 rounded-md bg-white border border-gray-200 hover:bg-gray-50"
+          @click="closeDesktopSettings"
+        >
+          关闭
+        </button>
+      </div>
+    </div>
+  </div>
+
   </div>
 </template>
 
@@ -1607,6 +1722,145 @@ const selectedContact = ref(null)
 // 隐私模式
 const privacyMode = ref(false)
 
+// 桌面端设置（仅 Electron 环境可见）
+const isDesktopEnv = ref(false)
+const desktopSettingsOpen = ref(false)
+
+const DESKTOP_SETTING_AUTO_REALTIME_KEY = 'desktop.settings.autoRealtime'
+const DESKTOP_SETTING_DEFAULT_TO_CHAT_KEY = 'desktop.settings.defaultToChatWhenData'
+
+const desktopAutoRealtime = ref(false)
+const desktopDefaultToChatWhenData = ref(false)
+
+const desktopAutoLaunch = ref(false)
+const desktopAutoLaunchLoading = ref(false)
+const desktopAutoLaunchError = ref('')
+
+const desktopCloseBehavior = ref('tray') // tray | exit
+const desktopCloseBehaviorLoading = ref(false)
+const desktopCloseBehaviorError = ref('')
+
+const readLocalBool = (key) => {
+  if (!process.client) return false
+  try {
+    return localStorage.getItem(key) === 'true'
+  } catch {
+    return false
+  }
+}
+
+const writeLocalBool = (key, value) => {
+  if (!process.client) return
+  try {
+    localStorage.setItem(key, value ? 'true' : 'false')
+  } catch {}
+}
+
+// 尽量早读本地设置，避免首次加载联系人时拿不到 autoRealtime 选项
+if (process.client) {
+  desktopAutoRealtime.value = readLocalBool(DESKTOP_SETTING_AUTO_REALTIME_KEY)
+  desktopDefaultToChatWhenData.value = readLocalBool(DESKTOP_SETTING_DEFAULT_TO_CHAT_KEY)
+}
+
+const refreshDesktopAutoLaunch = async () => {
+  if (!process.client || typeof window === 'undefined') return
+  if (!window.wechatDesktop?.getAutoLaunch) return
+  desktopAutoLaunchLoading.value = true
+  desktopAutoLaunchError.value = ''
+  try {
+    desktopAutoLaunch.value = !!(await window.wechatDesktop.getAutoLaunch())
+  } catch (e) {
+    desktopAutoLaunchError.value = e?.message || '读取开机自启动状态失败'
+  } finally {
+    desktopAutoLaunchLoading.value = false
+  }
+}
+
+const setDesktopAutoLaunch = async (enabled) => {
+  if (!process.client || typeof window === 'undefined') return
+  if (!window.wechatDesktop?.setAutoLaunch) return
+  desktopAutoLaunchLoading.value = true
+  desktopAutoLaunchError.value = ''
+  try {
+    desktopAutoLaunch.value = !!(await window.wechatDesktop.setAutoLaunch(!!enabled))
+  } catch (e) {
+    desktopAutoLaunchError.value = e?.message || '设置开机自启动失败'
+    await refreshDesktopAutoLaunch()
+  } finally {
+    desktopAutoLaunchLoading.value = false
+  }
+}
+
+const refreshDesktopCloseBehavior = async () => {
+  if (!process.client || typeof window === 'undefined') return
+  if (!window.wechatDesktop?.getCloseBehavior) return
+  desktopCloseBehaviorLoading.value = true
+  desktopCloseBehaviorError.value = ''
+  try {
+    const v = await window.wechatDesktop.getCloseBehavior()
+    desktopCloseBehavior.value = (String(v || '').toLowerCase() === 'exit') ? 'exit' : 'tray'
+  } catch (e) {
+    desktopCloseBehaviorError.value = e?.message || '读取关闭窗口行为失败'
+  } finally {
+    desktopCloseBehaviorLoading.value = false
+  }
+}
+
+const setDesktopCloseBehavior = async (behavior) => {
+  if (!process.client || typeof window === 'undefined') return
+  if (!window.wechatDesktop?.setCloseBehavior) return
+  const desired = (String(behavior || '').toLowerCase() === 'exit') ? 'exit' : 'tray'
+  desktopCloseBehaviorLoading.value = true
+  desktopCloseBehaviorError.value = ''
+  try {
+    const v = await window.wechatDesktop.setCloseBehavior(desired)
+    desktopCloseBehavior.value = (String(v || '').toLowerCase() === 'exit') ? 'exit' : 'tray'
+  } catch (e) {
+    desktopCloseBehaviorError.value = e?.message || '设置关闭窗口行为失败'
+    await refreshDesktopCloseBehavior()
+  } finally {
+    desktopCloseBehaviorLoading.value = false
+  }
+}
+
+const openDesktopSettings = async () => {
+  desktopSettingsOpen.value = true
+  await refreshDesktopAutoLaunch()
+  await refreshDesktopCloseBehavior()
+}
+
+const closeDesktopSettings = () => {
+  desktopSettingsOpen.value = false
+}
+
+const onDesktopAutoLaunchToggle = async (ev) => {
+  const checked = !!ev?.target?.checked
+  await setDesktopAutoLaunch(checked)
+}
+
+const onDesktopCloseBehaviorChange = async (ev) => {
+  const v = String(ev?.target?.value || '').trim()
+  await setDesktopCloseBehavior(v)
+}
+
+const onDesktopAutoRealtimeToggle = async (ev) => {
+  const checked = !!ev?.target?.checked
+  desktopAutoRealtime.value = checked
+  writeLocalBool(DESKTOP_SETTING_AUTO_REALTIME_KEY, checked)
+  if (checked) {
+    // 开启后尝试立即启用实时模式（不可用则静默忽略）
+    try {
+      await tryEnableRealtimeAuto()
+    } catch {}
+  }
+}
+
+const onDesktopDefaultToChatToggle = (ev) => {
+  const checked = !!ev?.target?.checked
+  desktopDefaultToChatWhenData.value = checked
+  writeLocalBool(DESKTOP_SETTING_DEFAULT_TO_CHAT_KEY, checked)
+}
+
 // 联系人数据
 const contacts = ref([])
 
@@ -3406,6 +3660,9 @@ const applyRouteSelection = async () => {
 
 // 默认选择第一个联系人
 onMounted(() => {
+  if (process.client && typeof window !== 'undefined') {
+    isDesktopEnv.value = !!window.wechatDesktop
+  }
   loadContacts()
   loadSearchHistory()
 })
@@ -3436,6 +3693,8 @@ const loadContacts = async () => {
   } finally {
     isLoadingContacts.value = false
   }
+
+  await tryEnableRealtimeAuto()
 }
 
 const loadSessionsForSelectedAccount = async () => {
@@ -4546,15 +4805,18 @@ const startRealtimeStream = () => {
   }
 }
 
-const toggleRealtime = async () => {
+const toggleRealtime = async (opts = {}) => {
+  const silent = !!opts?.silent
   if (!process.client || typeof window === 'undefined') return
   if (!selectedAccount.value) return
 
   if (!realtimeEnabled.value) {
     await fetchRealtimeStatus()
     if (!realtimeAvailable.value) {
-      window.alert(realtimeStatusError.value || '实时模式不可用：缺少密钥或 db_storage 路径。')
+      if (!silent) {
-      return
+        window.alert(realtimeStatusError.value || '实时模式不可用：缺少密钥或 db_storage 路径。')
+      }
+      return false
     }
     realtimeEnabled.value = true
     startRealtimeStream()
@@ -4562,7 +4824,7 @@ const toggleRealtime = async () => {
     if (selectedContact.value?.username) {
       await refreshSelectedMessages()
     }
-    return
+    return true
   }
 
   realtimeEnabled.value = false
@@ -4571,6 +4833,19 @@ const toggleRealtime = async () => {
   if (selectedContact.value?.username) {
     await refreshSelectedMessages()
   }
+  return true
+}
+
+const tryEnableRealtimeAuto = async () => {
+  if (!process.client || typeof window === 'undefined') return
+  if (!isDesktopEnv.value) return
+  if (!desktopAutoRealtime.value) return
+  if (realtimeEnabled.value) return
+  if (!selectedAccount.value) return
+
+  try {
+    await toggleRealtime({ silent: true })
+  } catch {}
 }
 
 watch(selectedAccount, async () => {

frontend/pages/index.vue

@@ -55,6 +55,31 @@
 </template>
 
 <script setup>
+import { onMounted } from 'vue'
+import { useApi } from '~/composables/useApi'
+
+const DESKTOP_SETTING_DEFAULT_TO_CHAT_KEY = 'desktop.settings.defaultToChatWhenData'
+
+onMounted(async () => {
+  if (!process.client || typeof window === 'undefined') return
+  if (!window.wechatDesktop) return
+
+  let enabled = false
+  try {
+    enabled = localStorage.getItem(DESKTOP_SETTING_DEFAULT_TO_CHAT_KEY) === 'true'
+  } catch {}
+  if (!enabled) return
+
+  try {
+    const api = useApi()
+    const resp = await api.listChatAccounts()
+    const accounts = resp?.accounts || []
+    if (accounts.length) {
+      await navigateTo('/chat', { replace: true })
+    }
+  } catch {}
+})
+
 // 开始检测并跳转到结果页面
 const startDetection = async () => {
   // 直接跳转到检测结果页面，让该页面处理检测