diff --git a/epmet-module/resi-group/resi-group-client/src/main/java/com/epmet/resi/group/dto/topic/result/GetPastTopicListV2ResultDTO.java b/epmet-module/resi-group/resi-group-client/src/main/java/com/epmet/resi/group/dto/topic/result/GetPastTopicListV2ResultDTO.java
index 982c254def..3f312795d0 100644
--- a/epmet-module/resi-group/resi-group-client/src/main/java/com/epmet/resi/group/dto/topic/result/GetPastTopicListV2ResultDTO.java
+++ b/epmet-module/resi-group/resi-group-client/src/main/java/com/epmet/resi/group/dto/topic/result/GetPastTopicListV2ResultDTO.java
@@ -1,5 +1,6 @@
 package com.epmet.resi.group.dto.topic.result;
 
+import com.epmet.commons.tools.constant.NumConstant;
 import com.fasterxml.jackson.annotation.JsonIgnore;
 import lombok.Data;
 
@@ -90,7 +91,7 @@ public class GetPastTopicListV2ResultDTO implements Serializable {
     /**
      * 通知或活动未读人员数
      */
-    private Integer unReadCount;
+    private Integer unReadCount = NumConstant.ZERO;
 
     @JsonIgnore
     private String userId;