diff --git a/IRaCIS.Core.Application/Service/QC/QCQuestionService.cs b/IRaCIS.Core.Application/Service/QC/QCQuestionService.cs
index cbf2ea718..c6c7aa576 100644
--- a/IRaCIS.Core.Application/Service/QC/QCQuestionService.cs
+++ b/IRaCIS.Core.Application/Service/QC/QCQuestionService.cs
@@ -103,6 +103,12 @@ namespace IRaCIS.Core.Application.Contracts
         public async Task<IResponseOutput> AddOrUpdateQCQuestionConfigure(QCQuestionAddOrEdit addOrEditQCQuestionConfigure)
         {
 
+            if (await _qcQuestionRepository.AnyAsync(x => x.Id != addOrEditQCQuestionConfigure.Id && x.ShowOrder == addOrEditQCQuestionConfigure.ShowOrder))
+            {
+                throw new BusinessValidationFailedException("序号重复,操作失败");
+
+            }
+
             var entity = await _qcQuestionRepository.InsertOrUpdateAsync(addOrEditQCQuestionConfigure, true);
             return ResponseOutput.Ok(entity.Id.ToString());
         }