supervision-test-repo/jeecg-module-supervision/src/test/mapper/xml/TestMainTableMapper.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="org.jeecg.modules.test.mapper.TestMainTableMapper">

</mapper>