整体平台上传功能大改造

backend/src/views/basicSettings/tenants/components/qualification.vue

@@ -24,7 +24,8 @@
         <el-form-item label="资质图片" prop="file_url">
           <el-upload
             class="avatar-uploader"
-            action="/api/platform/common/upload" 
+            :action="uploadAction"
+            :headers="uploadHeaders"
             :show-file-list="false"
             :on-success="handleUploadSuccess"
             :before-upload="beforeAvatarUpload"
@@ -70,7 +71,13 @@
   const submitting = ref(false);
   const tenantName = ref('');
   const formRef = ref();
-  
+
+  // 上传地址：走租户后台通用上传接口（原 /api/platform/common/upload 后端不存在，会 404）
+  const uploadAction = import.meta.env.VITE_API_BASE_URL + '/backend/uploadfile';
+  const uploadHeaders = {
+    Authorization: 'Bearer ' + (localStorage.getItem('token') || '')
+  };
+
   const formData = reactive({
     tid: null,
     type: '',