连接数据库报错java.sql.SQLException: The server time zone value '�й���׼ʱ��' is unrecognized or represents m

开发工具：IDEA
环境：jdk1.8，mysql 8.0.17
问题：springboot项目连接mysql数据库，报异常：java.sql.SQLException: The server time zone value ‘�й���׼ʱ��’ is unrecognized or represents more than one time zone. You must configure either the server or JDBC driver (via the serverTimezone configuration property) to use a more specifc time zone value if you want to utilize time zone support.
解决方式：查看application.properties配置文件
原配置文件如下：

在url中添加配置
如下图：

并且一定要确认自己的username和password正确，才可以与数据库进行连接。