application.properties

spring.thymeleaf.cache=false
spring.thymeleaf.content-type=text/html
spring.thymeleaf.enabled=true

spring.thymeleaf.encoding=UTF-8
#热部署静态文件
spring.thymeleaf.cache=false
#使用HTML5标准
spring.thymeleaf.mode=HTML5

spring.thymeleaf.prefix=classpath:/templates/
spring.thymeleaf.suffix=.html