IDEA链接MYSQL失败报错Could not create connection to database server. Attempted reconnect 3 times. Giving u

数据库地址：127.0.0.1端口：3306 账户：root 密码:root 配置没问题，但idea启动报错Could not create connection to database server。原因是少个参数，设置下时区

serverTimezone=UTC

完成链接:

spring:
  datasource:
    driver-class-name: com.mysql.cj.jdbc.Driver
    url: jdbc:mysql://127.0.0.1:3306/test/useUnicode=true&characterEncoding=UTF-8&serverTimezone=UTC
    username: root
    password: root