diff --git a/yshop-mall/src/main/java/co/yixiang/modules/user/vo/OnlineUser.java b/yshop-mall/src/main/java/co/yixiang/modules/user/vo/OnlineUser.java
index e784e219..0a24adc1 100644
--- a/yshop-mall/src/main/java/co/yixiang/modules/user/vo/OnlineUser.java
+++ b/yshop-mall/src/main/java/co/yixiang/modules/user/vo/OnlineUser.java
@@ -9,6 +9,7 @@ import lombok.AllArgsConstructor;
 import lombok.Data;
 import lombok.NoArgsConstructor;
 
+import java.io.Serializable;
 import java.util.Date;
 
 /**
@@ -17,7 +18,7 @@ import java.util.Date;
 @Data
 @AllArgsConstructor
 @NoArgsConstructor
-public class OnlineUser {
+public class OnlineUser implements Serializable {
 
     private String userName;