org.apache.ibatis.exceptions.PersistenceException
完整error：
### Error querying database.
Cause: 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.
### The error may exist in UserMapper.xml
### The error may involve cn.alpaca.mapper.UserMapper.selectUser
### The error occurred while executing a query
### Cause: 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：
<property name=“url”的最后，添加一段：&serverTimezone=UTC
注意图片，&不能显示出现，还有分号;（EN）