SHOW VARIABLES LIKE '%time_zone%';
CST是美国时间
jdbc-Url: jdbc:mysql://localhost:3336/db?&useSSL=false&serverTimezone=Asia/Shanghai

SHOW VARIABLES LIKE '%time_zone%';
CST是美国时间
jdbc-Url: jdbc:mysql://localhost:3336/db?&useSSL=false&serverTimezone=Asia/Shanghai