diff --git a/IRaCIS.Core.Application/Service/TrialSiteUser/TrialConfigService.cs b/IRaCIS.Core.Application/Service/TrialSiteUser/TrialConfigService.cs
index 06d81d1d0..1d87296ed 100644
--- a/IRaCIS.Core.Application/Service/TrialSiteUser/TrialConfigService.cs
+++ b/IRaCIS.Core.Application/Service/TrialSiteUser/TrialConfigService.cs
@@ -442,6 +442,12 @@ namespace IRaCIS.Core.Application
                 return ResponseOutput.NotOk("该项目当前状态不是初始化，不允许进行该操作。");
             }
 
+            if (trialConfig.TrialCriterionIds.Count() > 1)
+            {
+                throw new BusinessValidationFailedException("项目最多可选择一个标准。");
+            }
+
+
             var trialInfo = await _trialRepository.Where(t => t.Id == trialConfig.TrialId, true).Include(t => t.TrialDicList.Where(u => u.KeyName == StaticData.Criterion)).FirstOrDefaultAsync();
             if (trialInfo == null) return Null404NotFound(trialInfo);