diff --git a/pom.xml b/pom.xml
index 6af29c297..6baaca133 100644
--- a/pom.xml
+++ b/pom.xml
@@ -21,7 +21,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <maven.compiler.source>8</maven.compiler.source>
         <maven.compiler.target>8</maven.compiler.target>
-        <revision>1.9.0</revision>
+        <revision>1.9.1</revision>
         <maven-compiler-plugin.version>3.8.1</maven-compiler-plugin.version>
         <maven-surefire-plugin.version>2.22.2</maven-surefire-plugin.version>
         <maven-javadoc-plugin.version>3.4.0</maven-javadoc-plugin.version>
diff --git a/stream-plugin/stream-plugin-mybatis-plus/src/main/java/org/dromara/streamquery/stream/plugin/mybatisplus/engine/handler/AbstractJsonFieldHandler.java b/stream-plugin/stream-plugin-mybatis-plus/src/main/java/org/dromara/streamquery/stream/plugin/mybatisplus/engine/handler/AbstractJsonFieldHandler.java
index 0a3d03a61..9533e0f07 100644
--- a/stream-plugin/stream-plugin-mybatis-plus/src/main/java/org/dromara/streamquery/stream/plugin/mybatisplus/engine/handler/AbstractJsonFieldHandler.java
+++ b/stream-plugin/stream-plugin-mybatis-plus/src/main/java/org/dromara/streamquery/stream/plugin/mybatisplus/engine/handler/AbstractJsonFieldHandler.java
@@ -47,16 +47,16 @@ public void setFieldInfo(TableFieldInfo fieldInfo) {
   }
 
   @Override
-  public T parse(String json) {
+  protected T parse(String json) {
     return parse(json, tableInfo, fieldInfo);
   }
 
   @Override
-  public String toJson(T obj) {
+  protected String toJson(T obj) {
     return toJson(obj, tableInfo, fieldInfo);
   }
 
-  public abstract T parse(String json, TableInfo tableInfo, TableFieldInfo fieldInfo);
+  protected abstract T parse(String json, TableInfo tableInfo, TableFieldInfo fieldInfo);
 
-  public abstract String toJson(T obj, TableInfo tableInfo, TableFieldInfo fieldInfo);
+  protected abstract String toJson(T obj, TableInfo tableInfo, TableFieldInfo fieldInfo);
 }