diff --git a/IRaCIS.Core.Application/Service/TrialSiteUser/TrialExternalUserService.cs b/IRaCIS.Core.Application/Service/TrialSiteUser/TrialExternalUserService.cs
index 4bd79f26..d7f3aff8 100644
--- a/IRaCIS.Core.Application/Service/TrialSiteUser/TrialExternalUserService.cs
+++ b/IRaCIS.Core.Application/Service/TrialSiteUser/TrialExternalUserService.cs
@@ -163,7 +163,7 @@ namespace IRaCIS.Core.Application.Service
 
             }
             else
-            {
+            { 
                 return ResponseOutput.NotOk("人员信息不支持编辑，请删除后重新添加。");
 
             }
@@ -178,7 +178,7 @@ namespace IRaCIS.Core.Application.Service
         {
             var trialExternalUser = await _trialExternalUseRepository.FirstOrDefaultAsync(t => t.Id == trialExternalUserId);
 
-            if (await _trialUserRepository.AnyAsync(t => t.TrialId == trialExternalUser.TrialId && t.Id == trialExternalUser.SystemUserId))
+            if (await _trialUserRepository.AnyAsync(t => t.TrialId == trialExternalUser.TrialId && t.UserId == trialExternalUser.SystemUserId))
             {
                 return ResponseOutput.NotOk("当前用户已参与到项目，不允许删除");
             }