diff --git a/IRaCIS.Core.Application/Service/Allocation/TaskMedicalReviewService.cs b/IRaCIS.Core.Application/Service/Allocation/TaskMedicalReviewService.cs
index f11869ef2..ff84add3f 100644
--- a/IRaCIS.Core.Application/Service/Allocation/TaskMedicalReviewService.cs
+++ b/IRaCIS.Core.Application/Service/Allocation/TaskMedicalReviewService.cs
@@ -75,7 +75,7 @@ namespace IRaCIS.Core.Application.Service
             //    return ResponseOutput.NotOk("没有MIM");
             //}
 
-            var defalutMIMUserId = mimUserList.FirstOrDefault().UserId;
+            var defalutMIMUserId = mimUserList.FirstOrDefault()?.UserId;
 
             //获取当前医生数据  已经生成的，和配置的数量
             var taskTaskMedicalReviewRuleList = await _taskMedicalReviewRuleRepository.Where(t => t.TrialId == trialId).ProjectTo<TaskMedicalReviewRuleView>(_mapper.ConfigurationProvider).ToListAsync();
@@ -172,7 +172,7 @@ namespace IRaCIS.Core.Application.Service
             }
 
 
-
+            await _taskMedicalReviewRepository.SaveChangesAsync();
             return ResponseOutput.Ok();
 
         }
diff --git a/IRaCIS.Core.Domain/Allocation/TaskMedicalReview.cs b/IRaCIS.Core.Domain/Allocation/TaskMedicalReview.cs
index 8e9088350..89b52a26b 100644
--- a/IRaCIS.Core.Domain/Allocation/TaskMedicalReview.cs
+++ b/IRaCIS.Core.Domain/Allocation/TaskMedicalReview.cs
@@ -56,7 +56,7 @@ namespace IRaCIS.Core.Domain.Models
         /// AuditSuggestion
         /// </summary>
 		[Required]
-		public string AuditSuggestion { get; set; }
+		public string AuditSuggestion { get; set; }=String.Empty;
 	
 		/// <summary>
         /// AuditSignTime