IRaCIS.Core.Domain/Reading/ReadingCriterion/ReadingQuestionCriterionTrial.cs

@@ -190,7 +190,7 @@ public class ReadingQuestionCriterionTrial : BaseAddAuditEntity
     /// 默认SegmentName
     /// </summary>
     [MaxLength]
-    public DefaultSegmentNameDto DefaultSegmentName { get; set; } = new DefaultSegmentNameDto();
+    public DefaultSegmentNameDto DefaultSegmentName { get; set; }
 }