diff --git a/README.md b/README.md
index 74dfb0e4..0dba41f9 100644
--- a/README.md
+++ b/README.md
@@ -31,6 +31,7 @@
   - [ ] 切换分类时默认不应用搜索，需按下回车键才应用搜索
 - [x] 修改UI，使其更美观（考虑换成如tailwindcss等库）
 - [ ] 实现URL Shceme协议支持
+- [ ] 动画性能问题
 
 
 ## 📦 关于 APM
diff --git a/electron/main/backend/install-manager.ts b/electron/main/backend/install-manager.ts
index bce3161c..176e9c48 100644
--- a/electron/main/backend/install-manager.ts
+++ b/electron/main/backend/install-manager.ts
@@ -22,7 +22,7 @@ const checkSuperUserCommand = async (): Promise<string> => {
   let superUserCmd = '';
   const execAsync = promisify(exec);
   if (process.getuid && process.getuid() !== 0) {
-    const { stdout, stderr } = await execAsync('which pkexec');
+    const { stdout, stderr } = await execAsync('which /usr/bin/pkexec');
     if (stderr) {
       logger.error('没有找到 pkexec 命令');
       return;
diff --git a/src/App.vue b/src/App.vue
index 3ee8ae4f..c8776684 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -376,58 +376,6 @@ const escapeHtml = (s) => {
   })[c]);
 };
 
-// 下载管理方法
-// 在这里保留这个方便以后参考
-// const simulateDownload = (download) => {
-//   // 模拟下载进度（实际应该调用真实的下载 API）
-//   const totalSize = Math.random() * 100 + 50; // MB
-//   download.totalSize = totalSize * 1024 * 1024;
-  
-//   const interval = setInterval(() => {
-//     const downloadObj = downloads.value.find(d => d.id === download.id);
-//     if (!downloadObj || downloadObj.status !== 'downloading') {
-//       clearInterval(interval);
-//       return;
-//     }
-
-//     // 更新进度
-//     downloadObj.progress = Math.min(downloadObj.progress + Math.random() * 10, 100);
-//     downloadObj.downloadedSize = (downloadObj.progress / 100) * downloadObj.totalSize;
-//     downloadObj.speed = (Math.random() * 5 + 1) * 1024 * 1024; // 1-6 MB/s
-    
-//     const remainingBytes = downloadObj.totalSize - downloadObj.downloadedSize;
-//     downloadObj.timeRemaining = Math.ceil(remainingBytes / downloadObj.speed);
-
-//     // 添加日志
-//     if (downloadObj.progress % 20 === 0 && downloadObj.progress > 0 && downloadObj.progress < 100) {
-//       downloadObj.logs.push({
-//         time: Date.now(),
-//         message: `下载进度: ${downloadObj.progress.toFixed(0)}%`
-//       });
-//     }
-
-//     // 下载完成
-//     if (downloadObj.progress >= 100) {
-//       clearInterval(interval);
-//       downloadObj.status = 'installing';
-//       downloadObj.logs.push({
-//         time: Date.now(),
-//         message: '下载完成，开始安装...'
-//       });
-
-//       // 模拟安装
-//       setTimeout(() => {
-//         downloadObj.status = 'completed';
-//         downloadObj.endTime = Date.now();
-//         downloadObj.logs.push({
-//           time: Date.now(),
-//           message: '安装完成！'
-//         });
-//       }, 2000);
-//     }
-//   }, 500);
-// };
-
 // 目前 APM 商店不能暂停下载（因为 APM 本身不支持），但保留这些方法以备将来使用
 const pauseDownload = (id) => {
   const download = downloads.value.find(d => d.id === id);