fix prese empty result

@@ -479,7 +479,7 @@ def get_empty_result():
                 "input": "",
                 "ocr": "",
                 "field_is_pass": False,
-                "comments": "未查找到OCR识别结果"
+                "comments": "预放款结果超时未返回，请直接提交放款"
             }]
         }]
     }