Sample code for Mybatis generator mapper file overwrites the original file

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE generatorConfiguration
  PUBLIC "-////DTD MyBatis Generator Configuration 1.0//EN"
  "/dtd/mybatis-generator-config_1_0.dtd">

<generatorConfiguration>
 <properties resource=""/>
 <context  targetRuntime="MyBatis3" defaultModelType="flat">
  <property name="beginningDelimiter" value="`"/>
  <property name="endingDelimiter" value="`"/>
  <property name="javaFileEncoding" value="UTF-8"/>
  <!-- Generate serialization methods for the model-->
  <plugin type=""/>
  <!-- For generatedJavaCreate a modeltoStringmethod -->
  <plugin type=""/>
   <!--Overwrite the original file during generation-->
  <plugin type="" />
 
  <!--Configure database connections-->
  <jdbcConnection driverClass="${}"
      connectionURL="${}"
      userId="${}"
      password="${}">
  </jdbcConnection>
  <!--Specify the generationmodelThe path-->
  <javaModelGenerator targetPackage="" targetProject="src/main/java"/>
  <!--Specify the generationThe path-->
  <sqlMapGenerator targetPackage="" targetProject="src/main/resources"/>
  <!--Specify the generationmapper接口的The path-->
  <javaClientGenerator type="XMLMAPPER" targetPackage=""
        targetProject="src/main/java"/>
  <!--Generate all tablestableNameSet as%-->
  <table tableName="user">
   <generatedKey column="id" sqlStatement="MySql" identity="true"/>
  </table>
 </context>
</generatorConfiguration>

<!-- MyBatis Generator -->
  <dependency>
   <groupId></groupId>
   <artifactId>mybatis-generator-core</artifactId>
   <!--The dependency version must be in1.3.5above-->
   <version>1.3.7</version>
  </dependency>