开发环境热部署有问题

1.根据书上的要求加上依赖后，并不能实现实时更改内容

代码如下

                        <dependency>
                            <groupId>org.springframework.boot</groupId>
                            <artifactId>spring-boot-starter-web</artifactId>
                        </dependency>
                        <dependency>
                            <groupId>org.springframework.boot</groupId>
                            <artifactId>spring-boot-devtools</artifactId>
                        </dependency>
                    <dependency>
                            <groupId>org.springframework.boot</groupId>
                            <artifactId>spring-boot-starter-test</artifactId>
                        </dependency>

错误提示
The managed version is 2.0.1.RELEASE The artifact is managed in org.springframework.boot:spring-boot-dependencies:2.0.1.RELEASE

看下这个：
https://www.cnblogs.com/lspz/p/6832358.html

遇到这种情况建议尝试多搜搜网络资源看看。