update src/main/resources/application.yml.

重新配置了JDBC，添加了serverTimezone，解决spring boot启动后读取MySQL异常

src/main/resources/application.yml

@@ -7,7 +7,7 @@ spring:
     type: com.alibaba.druid.pool.DruidDataSource
     #MySQL配置
     driverClassName: com.mysql.cj.jdbc.Driver
-    url: jdbc:mysql://localhost:3306/renren_fast?useUnicode=true&characterEncoding=UTF-8&useSSL=false
+    url: jdbc:mysql://localhost:3306/renren_fast?useUnicode=true&characterEncoding=UTF-8&useSSL=false&serverTimezone=Asia/Shanghai
     username: renren
     password: 123456
     #oracle配置