启动dble之后，日志会报 found MySQL master/slave Replication err

[nejinn]

• dble version：3.21.10.0-20211119065525

db.xml

<dble:db xmlns:dble="http://dble.cloud/" version="4.0">
    <dbGroup name="dbGroup1" rwSplitMode="3" delayThreshold="100">
        <heartbeat errorRetryCount="1" timeout="2000">show slave status</heartbeat>
        <dbInstance name="instanceM1" url="ip:3306" user="root" password="******" maxCon="1000" minCon="10"
                    primary="true" readWeight="1" id="79">
            <property name="testOnCreate">true</property>
        </dbInstance>
        <dbInstance name="instanceM2" url="ip:3306" user="root" password="******" maxCon="1000" minCon="10"
                    primary="false" readWeight="1" id="85">
            <property name="testOnCreate">true</property>
        </dbInstance>
        <dbInstance name="instanceM3" url="10.75.142.86:3306" user="root" password="******" maxCon="1000" minCon="10"
                    primary="false" readWeight="1" id="86">
            <property name="testOnCreate">true</property>
        </dbInstance>
    </dbGroup>
</dble:db>

WARN [complexQueryExecutor5] (com.actiontech.dble.backend.heartbeat.MySQLDetector.setStatusBySlave(MySQLDetector.java:198)) - found MySQL master/slave Replication err !!! DbInstanceConfig [hostName=instanceM3, url=10.75.142.86:3306]