diff --git a/mybatis-plus-core/src/main/java/com/baomidou/mybatisplus/core/toolkit/Constants.java b/mybatis-plus-core/src/main/java/com/baomidou/mybatisplus/core/toolkit/Constants.java
index da32f61d24..f14f0e78b0 100644
--- a/mybatis-plus-core/src/main/java/com/baomidou/mybatisplus/core/toolkit/Constants.java
+++ b/mybatis-plus-core/src/main/java/com/baomidou/mybatisplus/core/toolkit/Constants.java
@@ -15,13 +15,15 @@
  */
 package com.baomidou.mybatisplus.core.toolkit;
 
+import java.io.Serializable;
+
 /**
  * mybatis_plus 自用常量集中管理
  *
  * @author miemie
  * @since 2018-07-22
  */
-public interface Constants extends StringPool {
+public interface Constants extends StringPool, Serializable {
 
     /**
      * project name