diff --git a/IRaCIS.Core.Application/Service/Management/UserService.cs b/IRaCIS.Core.Application/Service/Management/UserService.cs
index 8ccd625d6..b37b3ef2e 100644
--- a/IRaCIS.Core.Application/Service/Management/UserService.cs
+++ b/IRaCIS.Core.Application/Service/Management/UserService.cs
@@ -756,10 +756,12 @@ namespace IRaCIS.Application.Services
         [HttpPost]
         public async Task<PageOutput<UserLogView>> GetUserLogList(UserLogQuery inQuery)
         {
+            DateTime? trialCreateTime = inQuery.TrialId != null ?_repository.Where<Trial>(t=>t.Id==inQuery.TrialId).Select(t=>t.CreateTime).FirstOrDefault() : null;
 
             var userLogQueryable =
                _userLogRepository
                .WhereIf(inQuery.TrialId != null, t => t.LoginUser.UserTrials.Any(c => c.TrialId == inQuery.TrialId && (c.UserId == t.LoginUserId || c.UserId == t.OptUserId)))
+               .WhereIf(trialCreateTime != null, t => t.CreateTime>= trialCreateTime)
                .WhereIf(inQuery.OptType != null, t => t.OptType == inQuery.OptType)
                 .WhereIf(inQuery.UserId != null, t => t.LoginUserId == inQuery.UserId)
                .WhereIf(inQuery.BeginDate != null, t => t.CreateTime >= inQuery.BeginDate)