fix: 使用beforeunload事件

src/core/main/custom/toolbar.ts

@@ -376,7 +376,7 @@ CustomToolbar.register(
     }
 );
 
-window.addEventListener('unload', () => {
+window.addEventListener('beforeunload', () => {
     CustomToolbar.save();
 });
 window.addEventListener('blur', () => {

src/core/main/storage.ts

@@ -98,7 +98,7 @@ export class GameStorage<T extends object = any> {
     }
 }
 
-window.addEventListener('unload', () => {
+window.addEventListener('beforeunload', () => {
     GameStorage.list.forEach(v => v.write());
 });
 window.addEventListener('blur', () => {