diff --git a/kernel-a-rule/src/main/java/cn/stylefeng/roses/kernel/rule/constants/MpConstants.java b/kernel-a-rule/src/main/java/cn/stylefeng/roses/kernel/rule/constants/MpConstants.java
new file mode 100644
index 000000000..a15e7a104
--- /dev/null
+++ b/kernel-a-rule/src/main/java/cn/stylefeng/roses/kernel/rule/constants/MpConstants.java
@@ -0,0 +1,16 @@
+package cn.stylefeng.roses.kernel.rule.constants;
+
+/**
+ * 用于mybatis-plus的typeHandler常量
+ *
+ * @author fengshuonan
+ * @since 2023/8/2 13:55
+ */
+public class MpConstants {
+
+    /**
+     * 一般用在手动使用LambdaUpdateWrapper时候，手动更新json字段，需要手动指定typeHandler
+     */
+    public static final String TYPE_HANDLER_STRING = "typeHandler=com.baomidou.mybatisplus.extension.handlers.JacksonTypeHandler";
+
+}