单例

main.js

@@ -480,10 +480,21 @@ function createMenu() {
     }
 }
 
-const createMainWindow = () => {
+function createMainWindow = () => {
+
+	// 实现单例，在启动第二个实例后，激活主窗口，然后退出第二个实例
+const shouldQuit = app.makeSingleInstance(() => {
+    if (mainWindow) {
+        if (mainWindow.isMinimized()) mainWindow.restore()
+        mainWindow.focus()
+    }
+})
+
+shouldQuit && app.quit()
+
     var mainWindowState = windowStateKeeper({
-        defaultWidth: 745,
-        defaultHeight: 450,
+        defaultWidth: 1300,
+        defaultHeight: 700,
     });
 
     mainWindow = new BrowserWindow({
@@ -705,17 +716,6 @@ const createMainWindow = () => {
     mainWindow.webContents.setUserAgent('Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/603.3.8 (KHTML, like Gecko) Version/10.1.2 Safari/603.3.8');
     createMenu();
 };
-
-// 实现单例，在启动第二个实例后，激活主窗口，然后退出第二个实例
-const shouldQuit = app.makeSingleInstance(() => {
-    if (mainWindow) {
-        if (mainWindow.isMinimized()) mainWindow.restore()
-        mainWindow.focus()
-    }
-})
-
-shouldQuit && app.quit()
-
 app.setName(pkg.name);
 app.dock && app.dock.setIcon(icon);