From 160fb5473a8ac5d3dd3e6dcdfc5ca4bb30c348a6 Mon Sep 17 00:00:00 2001
From: unknown <zheng_z@azut.cn>
Date: Thu, 29 Jul 2021 10:52:16 +0800
Subject: [PATCH] add type safe

---
 electron/main.js | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/electron/main.js b/electron/main.js
index e797e0c..aa742a1 100644
--- a/electron/main.js
+++ b/electron/main.js
@@ -103,6 +103,9 @@ function createWindow() {
   tray.setToolTip('LOCKING盒子');
   tray.setContextMenu(contextMenu);
   tray.on('click', () => {
+    if (!mainWindow) {
+      return;
+    }
     //我们这里模拟桌面程序点击通知区图标实现打开关闭应用的功能
     mainWindow.isVisible() ? mainWindow.hide() : mainWindow.show();
     mainWindow.isVisible()