diff --git a/packages/main/src/mainWindow.ts b/packages/main/src/mainWindow.ts
index 165bd97..afdcac5 100644
--- a/packages/main/src/mainWindow.ts
+++ b/packages/main/src/mainWindow.ts
@@ -37,8 +37,7 @@ async function createWindow() {
     }
   });
 
-
-  browserWindow.webContents.on('will-navigate', (event, url) => {
+  browserWindow.webContents?.on('will-navigate', (event, url) => {
     if (url !== browserWindow.webContents.getURL()) {
       event.preventDefault();
       shell.openExternal(url);
@@ -48,20 +47,20 @@ async function createWindow() {
   /**
    * icpMain
    */
-  ipcMain.handle('close', () => {
+  ipcMain?.handle('close', () => {
     browserWindow?.close();
   });
-  ipcMain.handle('minimize', () => {
+  ipcMain?.handle('minimize', () => {
     browserWindow.minimize();
   });
-  ipcMain.handle('maximize', () => {
+  ipcMain?.handle('maximize', () => {
     if (browserWindow.isMaximized()) {
       browserWindow.unmaximize();
     } else {
       browserWindow.maximize();
     }
   });
-  ipcMain.handle('isMaximized', () => {
+  ipcMain?.handle('isMaximized', () => {
     return browserWindow.isMaximized();
   });
 
@@ -93,7 +92,6 @@ async function createWindow() {
  * Restore an existing BrowserWindow or Create a new BrowserWindow.
  */
 export async function restoreOrCreateWindow() {
-
   let window = BrowserWindow.getAllWindows().find(w => !w.isDestroyed());
 
   if (window === undefined) {
diff --git a/packages/main/tests/unit.spec.ts b/packages/main/tests/unit.spec.ts
index 859d621..2c637dc 100644
--- a/packages/main/tests/unit.spec.ts
+++ b/packages/main/tests/unit.spec.ts
@@ -28,7 +28,13 @@ vi.mock('electron', () => {
     },
   };
 
-  return {BrowserWindow: bw, app};
+  // 模拟 ipcMain
+  const ipcMain = {
+    handle: vi.fn(),
+    // 根据需要模拟其他 ipcMain 方法
+  };
+
+  return { BrowserWindow: bw, app, ipcMain };
 });
 
 beforeEach(() => {