老师看一下为什么我的报错了

debug: false
logging:
  level:
    root: error
  file: e:/myspringboot.log
spring:
  datasource:
    driver-class-name: com.mysql.jdbc.Driver
    url: jdbc:mysql://localhost:3306/test
    username: root
    password: lj1995311

mall:
  cofig:
   name: 暧昧商场
   describe: 化妆品网站
   hot_class: 20
   show-advert: true

package com.imooc.myspringboot.controller;

import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;

@Controller
public class MyController {
    @Value("${mall.config.name}")
    private String name;
    @Value("${mall.config.describe}")
    private String describe;
    @Value("${mall.config.hot_class}")
    private Integer hot_class;
    @Value("${mall.config.show-advert}")
    private Boolean showAdvert;

    @RequestMapping("/out")
    @ResponseBody
    public String out() {
        return "success";
    }
    @RequestMapping("/info")
    @ResponseBody
    public String info(){
        return String.format("name:%s,describe:%s,hot_class:%s,hot_class:%s,show-advert%s",
                name,describe,hot_class,showAdvert);
    }
}

package com.imooc.myspringboot.controller;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;

//说明这是一个SpringBoot应用的入口类
@SpringBootApplication
public class MYSpringBootApplication {

    public static void main(String[] args) {
        //启动SpringBoot应用
        SpringApplication.run(MYSpringBootApplication.class);
    }
}