diff --git a/IRaCIS.Core.Application/Service/Fixed/CriterionAdditionalAssessment.cs b/IRaCIS.Core.Application/Service/Fixed/CriterionAdditionalAssessment.cs
index 2b5f94cb4..23a142666 100644
--- a/IRaCIS.Core.Application/Service/Fixed/CriterionAdditionalAssessment.cs
+++ b/IRaCIS.Core.Application/Service/Fixed/CriterionAdditionalAssessment.cs
@@ -25,11 +25,11 @@ namespace IRaCIS.Core.Application.Service
     }
 
 
-    public static class AdditionalAssessment
+    public  class AdditionalAssessment
     {
 
-        public static List<CriterionAdditionalAssessment> SystemDefeaultAdditionalAssessmentList { get; set; } = new List<CriterionAdditionalAssessment>();
-        static AdditionalAssessment()
+        public  List<CriterionAdditionalAssessment> SystemDefeaultAdditionalAssessmentList { get; set; } = new List<CriterionAdditionalAssessment>();
+        public AdditionalAssessment()
         {
 
             var gropId = NewId.NextGuid();
@@ -83,7 +83,7 @@ namespace IRaCIS.Core.Application.Service
         }
 
 
-        public static List<CriterionAdditionalAssessment> GetSystemDefeaultAdditionalAssessmentList(CriterionType criterionType, AdditionalAssessmentType? additionalAssessmentType=null)
+        public  List<CriterionAdditionalAssessment> GetSystemDefeaultAdditionalAssessmentList(CriterionType criterionType, AdditionalAssessmentType? additionalAssessmentType=null)
         {
 
             return SystemDefeaultAdditionalAssessmentList.Where(t => t.CriterionType == criterionType)
diff --git a/IRaCIS.Core.Application/Service/TrialSiteUser/TrialConfigService.cs b/IRaCIS.Core.Application/Service/TrialSiteUser/TrialConfigService.cs
index c3701c13d..4711debda 100644
--- a/IRaCIS.Core.Application/Service/TrialSiteUser/TrialConfigService.cs
+++ b/IRaCIS.Core.Application/Service/TrialSiteUser/TrialConfigService.cs
@@ -567,7 +567,8 @@ namespace IRaCIS.Core.Application
             {
                 if (!await _trialCriterionAdditionalAssessmentTypeRepository.AnyAsync(t => t.TrialReadingCriterionId == inDto.TrialReadingCriterionId))
                 {
-                    var addList = AdditionalAssessment.GetSystemDefeaultAdditionalAssessmentList(inDto.CriterionType);
+                    AdditionalAssessment additional = new AdditionalAssessment();
+                    var addList = additional.GetSystemDefeaultAdditionalAssessmentList(inDto.CriterionType);
 
                     foreach (var addItem in addList)
                     {
@@ -622,8 +623,8 @@ namespace IRaCIS.Core.Application
                 if (updateItem.IsSelected == true)
                 {
                     //添加默认问题
-
-                    var addTypeList = AdditionalAssessment.GetSystemDefeaultAdditionalAssessmentList(updateItem.CriterionType, updateItem.AdditionalAssessmentType);
+                    AdditionalAssessment additional = new AdditionalAssessment();
+                    var addTypeList = additional.GetSystemDefeaultAdditionalAssessmentList(updateItem.CriterionType, updateItem.AdditionalAssessmentType);
 
                     foreach (var addType in addTypeList)
                     {