spring boot 项目报错 java.sql.SQLException: The server time zone value ‘�й���׼ʱ��’ is unrecognized

spring boot 项目报错 java.sql.SQLException: The server time zone value ‘�й���׼ʱ��’ is unrecognized

<dependency>
	<groupId>mysql</groupId>
	<artifactId>mysql-connector-java</artifactId>
	<version>5.1.47</version>
	<scope>runtime</scope>
</dependency>

不加版本号或者版本号为6以上，解决方式：在连接数据库的配置文件中加上以下，时区亚洲/上海

url: jdbc:mysql://localhost:3306/mydb?useUnicode=true&characterEncoding=UTF-8&serverTimezone=Asia/Shanghai