diff --git a/IRaCIS.Core.Application/BusinessFilter/LegacyController/RequestDuplicationFilter.cs b/IRaCIS.Core.Application/BusinessFilter/LegacyController/RequestDuplicationFilter.cs
index ed574bd86..94f053619 100644
--- a/IRaCIS.Core.Application/BusinessFilter/LegacyController/RequestDuplicationFilter.cs
+++ b/IRaCIS.Core.Application/BusinessFilter/LegacyController/RequestDuplicationFilter.cs
@@ -107,7 +107,7 @@ namespace IRaCIS.Core.Application.BusinessFilter.LegacyController
                     x.RequestKey== requestInfo.RequestKey);
                     if (requestsTimes)
                     {
-                        throw new BusinessValidationFailedException(_localizer["RequestDuplicationFilter_RequestDuplication"]);
+                        throw new BusinessValidationFailedException(_localizer["RequestDuplicationFilter_RequestDuplication"], ApiResponseCodeEnum.NeedTips);
                     }
                     IRCSystemInfo.RequestRecordList.Add(requestInfo);
                 }