MySQL exception: the server time zone value 'xxx' solution

springboot The project startup report is abnormal :

mysql java.sql.SQLException: The server time zone value‘XXX’ is unrecognized or represents…

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reason ： This exception is caused by the difference between the system time and the database time

Solution ：
yml in ：
datasource.url The configuration is as follows ： url: jdbc:mysql://127.0.0.1:3306/dbc?serverTimezone=GMT%2B8

GMT%2B8： Dongba District time
GMT : Greenwich mean time

Add ：

The new version mysql Drive as ：com.mysql.cj.jdbc.Driver

There will be a prompt when the project starts ：