code: public static InetSocketAddress createAddress(String host, int port) {
  		if (StrUtil.isBlank(host)) {
  			return new InetSocketAddress(port);
  		}
  		return new InetSocketAddress(host, port);
  	}
docs: 创建 {@link InetSocketAddress}
  
  @param host 域名或IP地址，空表示任意地址
  @param port 端口，0表示系统分配临时端口
  @return {@link InetSocketAddress}
  @since 3.3.0