application.properties

spring.application.name=kaoshi

???????

spring.datasource.url=jdbc:mysql://localhost:3306/project_management?useSSL=false&serverTimezone=UTC&characterEncoding=utf8
spring.datasource.username=root
spring.datasource.password=1234
spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver

?????

spring.datasource.hikari.maximum-pool-size=10
spring.datasource.hikari.minimum-idle=5

Thymeleaf??

spring.thymeleaf.cache=false
spring.thymeleaf.prefix=classpath:/templates/
spring.thymeleaf.suffix=.html
spring.thymeleaf.mode=HTML5
spring.thymeleaf.encoding=UTF-8