diff --git a/backend/ai_services/views.py b/backend/ai_services/views.py
index d88c6ed..63b0c70 100644
--- a/backend/ai_services/views.py
+++ b/backend/ai_services/views.py
@@ -159,13 +159,31 @@ class TranscriptionTaskViewSet(viewsets.ModelViewSet):
             result = service.get_task_info(task.task_id)
             
             # 兼容处理响应结构 {"Data": {"TaskStatus": "...", "Result": ...}}
+            # 有些情况下 SDK 返回的是 JSON 字符串，需要二次解析
+            if isinstance(result, str):
+                import json
+                try:
+                    result = json.loads(result)
+                except:
+                    pass
+
             data_obj = result.get('Data', result)
             if not isinstance(data_obj, dict):
+                # 如果 Data 不是字典，可能它本身就是字符串，或者 result 结构更平铺
                 data_obj = result
             
+            # 防御性编程：确保 data_obj 是字典
+            if not isinstance(data_obj, dict):
+                 logger.error(f"Unexpected response format: {type(data_obj)} - {data_obj}")
+                 return Response({'error': f"Unexpected response format: {type(data_obj)}"}, status=status.HTTP_500_INTERNAL_SERVER_ERROR)
+
             task_status = data_obj.get('TaskStatus')
             
-            if task_status == 'COMPLETE' or task_status == 'COMPLETED':
+            # 兼容其他状态字段名
+            if not task_status:
+                task_status = data_obj.get('Status')
+            
+            if task_status == 'COMPLETE' or task_status == 'COMPLETED' or task_status == 'SUCCEEDED':
                 task.status = TranscriptionTask.Status.SUCCEEDED
                 
                 # 解析结果