在数据库连接字符串指定time zone
jdbc:mysql://127.0.0.1:3306/test?useUnicode=true&characterEncoding=utf8&serverTimezone=Asia/Shanghai
The server time zone value '?й???????' is unrecognized or represents more than one time zone.
原文：https://www.cnblogs.com/SnailMove/p/11848254.html