diff --git a/src/main/modules/window.ts b/src/main/modules/window.ts
index cb31d53..41bb934 100644
--- a/src/main/modules/window.ts
+++ b/src/main/modules/window.ts
@@ -247,5 +247,7 @@ export function createMainWindow(icon: Electron.NativeImage): BrowserWindow {
   // 保存主窗口引用
   mainWindowInstance = mainWindow;
 
+  mainWindow.on('blur', () => mainWindow && mainWindow.setMaximizable(false))
+
   return mainWindow;
 }