swagger报错This application has no explicit mapping for /

Whitelabel Error Page 
  This application has no explicit mapping for /error, so you are seeing this as a fallback.  
  Wed Aug 29 11:02:44 CST 2018  
  There was an unexpected error (type=Not Found, status=404).  
  No message available

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