添加plc连接不上时报警，主界面后端推送数据超时提示

ZengTao

2024-05-06 b454340c14d789c5fe41350d092ea2f14d6454b3

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<?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="com.example.springboot.mapper.RoleMapper">
</mapper>