diff --git a/backend/apps/generation/views.py b/backend/apps/generation/views.py
index 49090c1..355c2b2 100644
--- a/backend/apps/generation/views.py
+++ b/backend/apps/generation/views.py
@@ -121,7 +121,7 @@ def upload_media_view(request):
     except Exception as e:
         logger.exception('TOS upload failed')
         return Response(
-            {'error': f'文件上传失败: {str(e)}'},
+            {'error': '文件上传失败，请稍后重试'},
             status=status.HTTP_500_INTERNAL_SERVER_ERROR,
         )
 
@@ -2718,7 +2718,7 @@ def _assets_api_call(func, *args, **kwargs):
     except AssetsAPIError as e:
         logger.warning('Assets API error: %s', e)
         return None, Response(
-            {'error': 'assets_api_error', 'message': str(e)},
+            {'error': 'assets_api_error', 'message': '素材服务暂时不可用，请稍后重试'},
             status=status.HTTP_502_BAD_GATEWAY,
         )
     except Exception as e:
@@ -3045,7 +3045,7 @@ def asset_poll_status_view(request, asset_id):
                 asset.delete()
                 return Response({'status': 'deleted', 'message': '素材在云端已被删除'})
             return Response(
-                {'error': 'assets_api_error', 'message': error_str},
+                {'error': 'assets_api_error', 'message': '素材状态查询失败，请稍后重试'},
                 status=status.HTTP_502_BAD_GATEWAY,
             )
         except Exception as e:
@@ -3057,7 +3057,7 @@ def asset_poll_status_view(request, asset_id):
                 return Response({'status': 'deleted', 'message': '素材在云端已被删除'})
             logger.exception('Assets API unexpected error in poll')
             return Response(
-                {'error': 'assets_api_error', 'message': f'素材 API 调用失败: {e}'},
+                {'error': 'assets_api_error', 'message': '素材服务异常，请稍后重试'},
                 status=status.HTTP_502_BAD_GATEWAY,
             )