后端架构更新

frontend-vue/src/pages/brand/components/BrandConvertTab.vue

@@ -151,7 +151,7 @@
                   <span class="status" :class="item.success ? 'success' : 'failed'">
                     {{ item.success ? '已完成' : '失败' }}
                   </span>
-                  <button v-if="item.success && item.downloadUrl" type="button" class="download"
+                  <button v-if="item.success && (item.downloadUrl || item.resultId)" type="button" class="download"
                     @click="downloadConvertResult(item)">
                     下载压缩包
                   </button>
@@ -179,6 +179,7 @@ import {
   deleteConvertHistory,
   deleteConvertTemplate,
   getConvertHistory,
+  getConvertResultDownloadUrl,
   getConvertTemplates,
   importConvertTemplate,
   runConvert,
@@ -472,14 +473,15 @@ async function deleteConvertHistoryRecord(resultId: number) {
 
 async function downloadConvertResult(item: ConvertResultItem) {
   const api = getPywebviewApi()
-  if (!item.downloadUrl) {
+  const url = item.downloadUrl || (item.resultId ? getConvertResultDownloadUrl(item.resultId) : '')
+  if (!url) {
     ElMessage.warning('当前结果没有下载地址')
     return
   }
 
   const filename = item.outputFilename || `${new Date().toISOString().slice(0, 10).replace(/-/g, '')}.txt`
   if (api?.save_file_from_url_new) {
-    const result = await api.save_file_from_url_new(item.downloadUrl, filename)
+    const result = await api.save_file_from_url_new(url, filename)
     if (result.success) {
       ElMessage.success(`已保存：${result.path || filename}`)
     } else if (result.error && result.error !== '用户取消') {