Spring Boot引入swagger-ui 后swagger-ui.html无法访问404的问题

 <dependency>
 <groupId>io.springfox</groupId>
 <artifactId>springfox-swagger2</artifactId>
 <version>2.9.2</version>
 </dependency>
 <dependency>
 <groupId>io.springfox</groupId>
 <artifactId>springfox-swagger-ui</artifactId>
 <version>2.9.2</version>
 </dependency>

@Configuration
@EnableSwagger2
@Profile("swagger")
@ComponentScan("xxx.controller")
public class Swagger2Config {

 @Bean
 public Docket createRestApi() {
 return new Docket(DocumentationType.SWAGGER_2)
 .apiInfo(apiInfo())
 .enable(true)
 .select()
 .apis(RequestHandlerSelectors.basePackage("xxx.controller"))
 .paths(PathSelectors.any())
 .build();
 }

 private ApiInfo apiInfo() {
 return new ApiInfoBuilder()
 .title("XXX Rest Server")
 .description("XXXRest接口")
 .contact(new Contact("contract", "url", "email"))
 .version("1.0")
 .build();
 }
}

@Configuration
public class WebMvcConfig implements WebMvcConfigurer {

 @Override
 public void addResourceHandlers(ResourceHandlerRegistry registry) {
 registry.addResourceHandler("/**").addResourceLocations("classpath:/static/");
 registry.addResourceHandler("swagger-ui.html")
 .addResourceLocations("classpath:/META-INF/resources/");
 registry.addResourceHandler("/webjars/**")
 .addResourceLocations("classpath:/META-INF/resources/webjars/");
 }