修复swagger不能访问

src/main/java/io/renren/config/SwaggerConfig.java

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