update mysql Driver

eladmin-system/src/main/resources/log4jdbc.log4j2.properties

 # If you use SLF4J. First, you need to tell log4jdbc-log4j2 that you want to use the SLF4J logger
-log4jdbc.spylogdelegator.name=net.sf.log4jdbc.log.slf4j.Slf4jSpyLogDelegator
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+log4jdbc.spylogdelegator.name=net.sf.log4jdbc.log.slf4j.Slf4jSpyLogDelegator
+log4jdbc.auto.load.popular.drivers=false
+log4jdbc.drivers=com.mysql.cj.jdbc.Driver
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