feat: 改进证书查看功能，支持格式化显示报告和证书文件。

web/src/views/valuation/audit/components/AuditDetail.vue

@@ -307,11 +307,23 @@ const handleUploadCertificate = () => {
 
 const handleViewCertificate = () => {
   certificateModalMode.value = 'view'
-  // 这里可以从 props.detailData 中获取已上传的证书数据
+  
+  const formatFiles = (urlData) => {
+    if (!urlData) return []
+    // Handle string (single or comma-separated)
+    const urls = typeof urlData === 'string' ? urlData.split(',') : (Array.isArray(urlData) ? urlData : [])
+    
+    return urls.filter(u => u).map((url, index) => ({
+      id: String(index),
+      name: url.substring(url.lastIndexOf('/') + 1) || 'unknown',
+      status: 'finished',
+      url: url
+    }))
+  }
+
   certificateData.value = {
-    title: '非遗传承人等级证书',
-    description: '非遗传承人等级证书相关文件',
-    files: props.detailData?.certificates || []
+    reportFiles: formatFiles(props.detailData?.report_url),
+    certificateFiles: formatFiles(props.detailData?.certificate_url)
   }
   certificateModalVisible.value = true
 }