diff --git a/README.md b/README.md
index 2ddcb7e2..190c1381 100644
--- a/README.md
+++ b/README.md
@@ -21,7 +21,7 @@
 - [ ] 完善项目文档
 - [x] 可以展示应用列表及其详细信息
 - [ ] 实现应用下载&下载列表管理
- - [x] 实现应用安装
+ - [x] 实现应用安装&重试安装
  - [ ] 实现应用卸载
  - [ ] 实现应用更新 
  - [ ] 支持显示本地是否已经安装
diff --git a/electron/main/backend/download-manager.ts b/electron/main/backend/download-manager.ts
index 33008a24..3badfe31 100644
--- a/electron/main/backend/download-manager.ts
+++ b/electron/main/backend/download-manager.ts
@@ -19,7 +19,8 @@ const tasks = new Map<number, DownloadTask>();
 let idle = true; // Indicates if the installation manager is idle
 
 // Listen for download requests from renderer process
-ipcMain.on('queue-install', async (event, download) => {
+ipcMain.on('queue-install', async (event, download_json) => {
+  const download = JSON.parse(download_json);
   const { id, pkgname } = download || {};
 
   if (!id || !pkgname) {
@@ -29,8 +30,8 @@ ipcMain.on('queue-install', async (event, download) => {
 
   logger.info(`收到下载任务: ${id},  软件包名称: ${pkgname}`);
   
-  // 避免重复添加同一任务
-  if (tasks.has(id)) {
+  // 避免重复添加同一任务，但允许重试下载
+  if (tasks.has(id) && !download.retry) {
     tasks.get(id)?.webContents.send('install-log', {
       id,
       time: Date.now(),
diff --git a/src/App.vue b/src/App.vue
index bb115d76..b64d1b81 100644
--- a/src/App.vue
+++ b/src/App.vue
@@ -40,7 +40,7 @@ import DownloadQueue from './components/DownloadQueue.vue';
 import DownloadDetail from './components/DownloadDetail.vue';
 import { APM_STORE_ARCHITECTURE, APM_STORE_BASE_URL, currentApp } from './global/storeConfig';
 import { downloads } from './global/downloadStatus';
-import { handleInstall } from './js/processInstall';
+import { handleInstall, handleRetry } from './modeuls/processInstall';
 
 const logger = pino();
 
@@ -249,56 +249,58 @@ const escapeHtml = (s) => {
 };
 
 // 下载管理方法
-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;
+// 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;
-    }
+//   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
+//     // 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);
+//     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)}%`
-      });
-    }
+//     // 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...'
-      });
+//     // 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);
-};
+//       // 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);
   if (download && download.status === 'downloading') {
@@ -310,6 +312,7 @@ const pauseDownload = (id) => {
   }
 };
 
+// 同理
 const resumeDownload = (id) => {
   const download = downloads.value.find(d => d.id === id);
   if (download && download.status === 'paused') {
@@ -322,6 +325,7 @@ const resumeDownload = (id) => {
   }
 };
 
+// 同理
 const cancelDownload = (id) => {
   const index = downloads.value.findIndex(d => d.id === id);
   if (index !== -1) {
@@ -342,14 +346,14 @@ const cancelDownload = (id) => {
 const retryDownload = (id) => {
   const download = downloads.value.find(d => d.id === id);
   if (download && download.status === 'failed') {
-    download.status = 'downloading';
+    download.status = 'queued';
     download.progress = 0;
     download.downloadedSize = 0;
     download.logs.push({
       time: Date.now(),
       message: '重新开始下载...'
     });
-    simulateDownload(download);
+    handleRetry(download);
   }
 };
 
diff --git a/src/components/DownloadDetail.vue b/src/components/DownloadDetail.vue
index 00efbef2..85014c49 100644
--- a/src/components/DownloadDetail.vue
+++ b/src/components/DownloadDetail.vue
@@ -96,7 +96,7 @@
 
           <!-- 操作按钮 -->
           <div class="actions-section">
-            <button
+            <!-- <button
               v-if="download.status === 'downloading'"
               @click="pause"
               class="action-btn secondary"
@@ -111,7 +111,7 @@
             >
               <i class="fas fa-play"></i>
               继续下载
-            </button>
+            </button> -->
             <button
               v-if="download.status === 'failed'"
               @click="retry"
@@ -120,14 +120,14 @@
               <i class="fas fa-redo"></i>
               重试下载
             </button>
-            <button
+            <!-- <button
               v-if="download.status !== 'completed'"
               @click="cancel"
               class="action-btn danger"
             >
               <i class="fas fa-times"></i>
               取消下载
-            </button>
+            </button> -->
             <button
               v-if="download.status === 'completed'"
               @click="openApp"
@@ -168,15 +168,15 @@ const handleOverlayClick = () => {
 };
 
 const pause = () => {
-  emit('pause', props.download.id);
+  // emit('pause', props.download.id);
 };
 
 const resume = () => {
-  emit('resume', props.download.id);
+  // emit('resume', props.download.id);
 };
 
 const cancel = () => {
-  emit('cancel', props.download.id);
+  //emit('cancel', props.download.id);
 };
 
 const retry = () => {
@@ -523,9 +523,11 @@ const copyLogs = () => {
   display: flex;
   gap: 12px;
   flex-wrap: wrap;
+  align-items: center;
+  justify-content: center;
 }
 
-.action-btn {
+/* .action-btn {
   flex: 1;
   min-width: 140px;
   padding: 12px 20px;
@@ -539,9 +541,9 @@ const copyLogs = () => {
   justify-content: center;
   gap: 8px;
   transition: all 0.2s;
-}
+} */
 
-.action-btn.primary {
+/* .action-btn.primary {
   background: var(--primary);
   color: white;
 }
@@ -554,15 +556,23 @@ const copyLogs = () => {
 .action-btn.secondary {
   background: var(--glass);
   color: var(--text);
-}
+} */
 
-.action-btn.secondary:hover {
-  background: var(--border);
+.action-btn.primary {
+  background: rgba(255, 59, 48, 0.1);
+  color: #FF3B30;
+  min-width: 140px;
+  align-items: center;
+  justify-content: center;
 }
 
 .action-btn.danger {
   background: rgba(255, 59, 48, 0.1);
   color: #FF3B30;
+  width: fill-available; 
+  min-width: 140px;
+  align-items: center;
+  justify-content: center;
 }
 
 .action-btn.danger:hover {
diff --git a/src/components/DownloadQueue.vue b/src/components/DownloadQueue.vue
index ef9d3155..8d74ae5b 100644
--- a/src/components/DownloadQueue.vue
+++ b/src/components/DownloadQueue.vue
@@ -38,6 +38,7 @@
             <div class="download-info">
               <div class="download-name">{{ download.name }}</div>
               <div class="download-status-text">
+                <!-- downloading 这部分APM用不到，留给后续的Spark Store -->
                 <span v-if="download.status === 'downloading'">
                   下载中 {{ download.progress }}%
                 </span>
@@ -62,7 +63,7 @@
               </div>
             </div>
             <div class="download-actions">
-              <button
+              <!-- <button
                 v-if="download.status === 'downloading'"
                 @click.stop="pauseDownload(download.id)"
                 class="action-icon"
@@ -77,7 +78,7 @@
                 title="继续"
               >
                 <i class="fas fa-play"></i>
-              </button>
+              </button> -->
               <button
                 v-if="download.status === 'failed'"
                 @click.stop="retryDownload(download.id)"
@@ -86,13 +87,13 @@
               >
                 <i class="fas fa-redo"></i>
               </button>
-              <button
+              <!-- <button
                 @click.stop="cancelDownload(download.id)"
                 class="action-icon"
                 title="取消"
               >
                 <i class="fas fa-times"></i>
-              </button>
+              </button> -->
             </div>
           </div>
         </div>
@@ -133,15 +134,15 @@ const toggleExpand = () => {
 };
 
 const pauseDownload = (id) => {
-  emit('pause', id);
+  // emit('pause', id);
 };
 
 const resumeDownload = (id) => {
-  emit('resume', id);
+  // emit('resume', id);
 };
 
 const cancelDownload = (id) => {
-  emit('cancel', id);
+  // emit('cancel', id);
 };
 
 const retryDownload = (id) => {
diff --git a/src/global/typedefinition.ts b/src/global/typedefinition.ts
index 823404c3..dfac0520 100644
--- a/src/global/typedefinition.ts
+++ b/src/global/typedefinition.ts
@@ -29,4 +29,5 @@ export interface DownloadItem {
         message: string;              // 日志消息
     }>;
     source: string;                 // 例如 'APM Store'
+    retry: boolean;                  // 当前是否为重试下载
 }
\ No newline at end of file
diff --git a/src/js/processInstall.ts b/src/modeuls/processInstall.ts
similarity index 82%
rename from src/js/processInstall.ts
rename to src/modeuls/processInstall.ts
index 454fbae6..adb16b78 100644
--- a/src/js/processInstall.ts
+++ b/src/modeuls/processInstall.ts
@@ -31,23 +31,28 @@ export const handleInstall = () => {
     logs: [
       { time: Date.now(), message: '开始下载...' }
     ],
-    source: 'APM Store'
+    source: 'APM Store',
+    retry: false
   };
 
   downloads.value.push(download);
 
-  // 模拟下载进度（实际应该调用真实的下载 API）
-  // simulateDownload(download);
-
   // Send to main process to start download
-  window.ipcRenderer.send('queue-install', download);
+  window.ipcRenderer.send('queue-install', JSON.stringify(download));
 
-  const encodedPkg = encodeURIComponent(currentApp.value.Pkgname);
+  // const encodedPkg = encodeURIComponent(currentApp.value.Pkgname);
   // openApmStoreUrl(`apmstore://install?pkg=${encodedPkg}`, {
   //   fallbackText: `/usr/bin/apm-installer --install ${currentApp.value.Pkgname}`
   // });
 };
 
+export const handleRetry = (download_: DownloadItem) => {
+  if (!download_?.pkgname) return;
+  download_.retry = true;  
+  // Send to main process to start download
+  window.ipcRenderer.send('queue-install', JSON.stringify(download_));
+};
+
 window.ipcRenderer.on('install-status', (_event, log: InstallLog) => {
     const downloadObj: any = downloads.value.find(d => d.id === log.id);
     downloadObj.status = log.message;