格式并加些打印

license/src/main/java/iot/sixiang/license/forward/ForwardClientHandler.java

@@ -27,6 +27,7 @@ public class ForwardClientHandler extends SimpleChannelInboundHandler<Object> {
     @Override
     protected void channelRead0(ChannelHandlerContext ctx, Object msg) {
         // 中转客户端收到消息后，将消息原封不动的发送给设备客户端
+        log.info("read message...");
         SocketChannel channel = (SocketChannel) ctx.channel();
         //InetSocketAddress socketAddr = (InetSocketAddress) ctx.channel().remoteAddress();
         //String serverIp = socketAddr.getHostString();