diff --git a/im-center-api/src/main/java/cn/axzo/im/center/api/vo/PersonAccountAttribute.java b/im-center-api/src/main/java/cn/axzo/im/center/api/vo/PersonAccountAttribute.java
index c490e93..818fe6b 100644
--- a/im-center-api/src/main/java/cn/axzo/im/center/api/vo/PersonAccountAttribute.java
+++ b/im-center-api/src/main/java/cn/axzo/im/center/api/vo/PersonAccountAttribute.java
@@ -1,6 +1,8 @@
 package cn.axzo.im.center.api.vo;
 
 import cn.axzo.im.center.common.enums.AppTypeEnum;
+import com.alibaba.fastjson.annotation.JSONField;
+import com.fasterxml.jackson.annotation.JsonIgnore;
 import lombok.AllArgsConstructor;
 import lombok.Builder;
 import lombok.Data;
@@ -78,6 +80,7 @@ public class PersonAccountAttribute {
         return ouId == null ? 0L : ouId;
     }
 
+    @JsonIgnore @JSONField(serialize = false)
     public boolean isRobot() {
         return this == ROBOT;
     }