diff --git a/src/main/ipc-handlers/application.ts b/src/main/ipc-handlers/application.ts
index 8b8999ee..88d54d59 100644
--- a/src/main/ipc-handlers/application.ts
+++ b/src/main/ipc-handlers/application.ts
@@ -1,4 +1,4 @@
-import { app, ipcMain, dialog, BrowserWindow } from 'electron';
+import { app, ipcMain, dialog } from 'electron';
 import { ShortcutRegister } from '../libs/ShortcutRegister';
 
 export default () => {
@@ -15,26 +15,22 @@ export default () => {
    });
 
    ipcMain.handle('resotre-default-shortcuts', () => {
-      const mainWindow = BrowserWindow.getAllWindows()[0];
-      const shortCutRegister = ShortcutRegister.getInstance({ mainWindow });
+      const shortCutRegister = ShortcutRegister.getInstance();
       shortCutRegister.restoreDefaults();
    });
 
    ipcMain.handle('reload-shortcuts', () => {
-      const mainWindow = BrowserWindow.getAllWindows()[0];
-      const shortCutRegister = ShortcutRegister.getInstance({ mainWindow });
+      const shortCutRegister = ShortcutRegister.getInstance();
       shortCutRegister.reload();
    });
 
    ipcMain.handle('update-shortcuts', (event, shortcuts) => {
-      const mainWindow = BrowserWindow.getAllWindows()[0];
-      const shortCutRegister = ShortcutRegister.getInstance({ mainWindow });
+      const shortCutRegister = ShortcutRegister.getInstance();
       shortCutRegister.updateShortcuts(shortcuts);
    });
 
    ipcMain.handle('unregister-shortcuts', () => {
-      const mainWindow = BrowserWindow.getAllWindows()[0];
-      const shortCutRegister = ShortcutRegister.getInstance({ mainWindow });
+      const shortCutRegister = ShortcutRegister.getInstance();
       shortCutRegister.unregister();
    });
 };
diff --git a/src/main/libs/ShortcutRegister.ts b/src/main/libs/ShortcutRegister.ts
index b011a2c7..6a111cc5 100644
--- a/src/main/libs/ShortcutRegister.ts
+++ b/src/main/libs/ShortcutRegister.ts
@@ -26,9 +26,14 @@ export class ShortcutRegister {
       this.shortcuts = shortcutsStore.get('shortcuts', defaultShortcuts) as ShortcutRecord[];
    }
 
-   public static getInstance (args: { mainWindow: BrowserWindow; menuTemplate: OsMenu; mode: ShortcutMode }) {
-      if (!ShortcutRegister._instance)
-         ShortcutRegister._instance = new ShortcutRegister(args);
+   public static getInstance (args?: { mainWindow?: BrowserWindow; menuTemplate?: OsMenu; mode?: ShortcutMode }) {
+      if (!ShortcutRegister._instance && args.menuTemplate !== undefined && args.mode !== undefined) {
+         ShortcutRegister._instance = new ShortcutRegister({
+            mainWindow: args.mainWindow,
+            menuTemplate: args.menuTemplate,
+            mode: args.mode
+         });
+      }
 
       return ShortcutRegister._instance;
    }