启动portal报错，连接不上数据库

ERROR: 2019-08-21 10:11:11 com.alibaba.druid.pool.DruidDataSource-2471-Druid-ConnectionPool-Create-1041016588 create connection SQLException, url: jdbc:mysql://127.0.0.1:3306/h3bpm?useUnicode=true&characterEncoding=utf-8&autoReconnect=true&failOverReadOnly=false, errorCode 1045, state 28000
java.sql.SQLException: Access denied for user 'root'@'localhost' (using password: YES)