fix(electron): place update files in GameGroup2/electron-update subdir

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

electron/scripts/copy-to-nas.js

@@ -5,7 +5,7 @@ const srcDir = path.join(__dirname, '..', 'dist')
 // 项目根目录下的 electron-update，用于 docker volume 挂载给 nginx
 const localUpdateDir = path.join(__dirname, '..', '..', 'electron-update')
 // NAS 共享路径
-const nasDir = '\\\\JIULUGNAS\\personal_folder\\CodeSpace\\GameGroup2'
+const nasDir = '\\\\JIULUGNAS\\personal_folder\\CodeSpace\\GameGroup2\\electron-update'
 
 function ensureDir(dir) {
   try {