修复离线镜像下载

src/public/search.html

@@ -894,15 +894,21 @@
         function createResultCard(result) {
             const card = document.createElement('div');
             card.className = 'result-card';
-            card.onclick = () => viewImageTags(result.repo_name || result.name);
+            card.onclick = () => viewImageTags(result.repo_name || result.name, result.is_official);
 
             const badges = [];
             if (result.is_official) badges.push('<span class="badge badge-official">官方</span>');
             if (result.is_automated) badges.push('<span class="badge badge-automated">自动构建</span>');
 
+            // 只有真正的官方镜像才去掉 library/ 前缀
+            const originalName = result.repo_name || result.name;
+            const displayName = (result.is_official && originalName.startsWith('library/')) 
+                ? originalName.substring(8) 
+                : originalName;
+
             card.innerHTML = `
                 <div class="result-title">
-                    🐳 ${result.repo_name || result.name}
+                    🐳 ${displayName}
                     ${badges.join('')}
                 </div>
                 <div class="result-description">
@@ -926,7 +932,7 @@
         }
 
         // 查看镜像标签
-        async function viewImageTags(imageName) {
+        async function viewImageTags(imageName, isOfficial = false) {
             if (isLoading) return;
 
             isLoading = true;
@@ -952,7 +958,7 @@
 
                 if (Array.isArray(data)) {
                     allTags = data;
-                    displayImageTags(imageName, data);
+                    displayImageTags(imageName, data, isOfficial);
                     elements.backToSearch.classList.add('show');
                 } else {
                     showToast('获取标签失败：' + (data.error || '未知错误'), 'error');
@@ -967,12 +973,17 @@
         }
 
         // 显示镜像标签
-        function displayImageTags(imageName, tags) {
+        function displayImageTags(imageName, tags, isOfficial = false) {
             const fullDomain = window.location.host;
             
+            // 只有真正的官方镜像才去掉 library/ 前缀
+            const displayName = (isOfficial && imageName.startsWith('library/')) 
+                ? imageName.substring(8) 
+                : imageName;
+            
             elements.tagInfo.innerHTML = `
                 <div class="tag-title">
-                    🐳 ${imageName}
+                    🐳 ${displayName}
                 </div>
                 <div class="tag-description">
                     共 ${tags.length} 个标签版本

src/skopeo_service.go

@@ -110,6 +110,9 @@ func initSkopeoRoutes(router *gin.Engine) {
 
 	// 下载文件
 	router.GET("/api/files/:filename", serveFile)
+	
+	// 通过任务ID下载文件
+	router.GET("/api/download/:taskId/file", serveFileByTaskId)
 
 	// 启动清理过期文件的goroutine
 	go cleanupTempFiles()
@@ -1059,6 +1062,55 @@ func sendTaskUpdate(task *DownloadTask) {
 	}
 }
 
+// 通过任务ID提供文件下载
+func serveFileByTaskId(c *gin.Context) {
+	taskID := c.Param("taskId")
+	
+	tasksLock.Lock()
+	task, exists := tasks[taskID]
+	tasksLock.Unlock()
+	
+	if !exists {
+		c.JSON(http.StatusNotFound, gin.H{"error": "任务不存在"})
+		return
+	}
+	
+	// 确保任务状态为已完成
+	task.StatusLock.RLock()
+	isCompleted := task.Status == StatusCompleted
+	task.StatusLock.RUnlock()
+	
+	if !isCompleted {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "任务尚未完成"})
+		return
+	}
+	
+	// 确保所有进度都是100%
+	ensureTaskCompletion(task)
+	
+	// 检查文件是否存在
+	filePath := task.OutputFile
+	if filePath == "" || !fileExists(filePath) {
+		c.JSON(http.StatusNotFound, gin.H{"error": "文件不存在"})
+		return
+	}
+	
+	// 获取文件信息
+	fileInfo, err := os.Stat(filePath)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "无法获取文件信息"})
+		return
+	}
+	
+	// 设置文件名
+	downloadName := filepath.Base(filePath)
+	c.Header("Content-Disposition", fmt.Sprintf("attachment; filename=%s", downloadName))
+	c.Header("Content-Length", fmt.Sprintf("%d", fileInfo.Size()))
+	
+	// 返回文件
+	c.File(filePath)
+}
+
 // 提供文件下载
 func serveFile(c *gin.Context) {
 	filename := c.Param("filename")