Change image download from Promise.all to forEach for progressive display

apps/jingrow/frontend/src/core/pagetype/default.vue

@@ -900,23 +900,28 @@ function extractAttachmentImageUrls(attachments: any[]): string[] {
   return [...new Set(urls)] // 去重
 }
 
-// 自动下载图片的函数（简化版）
+// 自动下载图片的函数（渐进式加载：下载完成即显示）
 async function autoDownloadImages(imageUrls: string[]) {
-  const downloadPromises = imageUrls.map(async (url) => {
+  // 不等待所有下载完成，每个图片下载完成后立即可用
+  imageUrls.forEach(async (url) => {
     const filename = url.split('/').pop() || 'image.jpg'
     
     try {
       const result = await downloadImageToLocal(url, filename)
       if (result.success) {
-        // 返回是否是新下载的图片（非缓存）
-        return !(result as any).data?.cached
+        // 下载成功后，触发图片重新加载
+        const imgElements = document.querySelectorAll(`img[src="${url}"], img[src*="${filename}"]`)
+        imgElements.forEach((img) => {
+          const imgEl = img as HTMLImageElement
+          if (imgEl.complete && !imgEl.naturalHeight) {
+            imgEl.src = url + '?t=' + Date.now()
+          }
+        })
       }
     } catch (error) {
+      // 静默失败，不影响其他图片
     }
-    return false
   })
-  
-  await Promise.all(downloadPromises)
 }
 
 // 加载详情数据 - 优化版本，同步加载附件数据

apps/jingrow/frontend/src/core/pagetype/form/panel/AttachmentSection.vue

@@ -31,7 +31,9 @@
             <img 
               :src="attachment.file_url" 
               :alt="attachment.file_name"
+              loading="lazy"
               @click="openImageGallery(index)"
+              @error="handleImageError"
             />
             <div class="image-overlay">
               <button 
@@ -289,6 +291,17 @@ const addAttachment = () => {
 const deleteAttachment = (attachment: any) => {
   emit('delete-attachment', attachment)
 }
+
+// 处理图片加载错误
+const handleImageError = (event: Event) => {
+  const img = event.target as HTMLImageElement
+  // 如果图片加载失败，尝试重新加载（可能文件正在下载中）
+  if (img.src && !img.src.includes('?retry=')) {
+    setTimeout(() => {
+      img.src = img.src.split('?')[0] + '?retry=' + Date.now()
+    }, 1000)
+  }
+}
 </script>
 
 <style scoped>