diff --git a/net/src/main/java/com/zfoo/net/core/tcp/TcpClient.java b/net/src/main/java/com/zfoo/net/core/tcp/TcpClient.java
index 46dc8f11..a3fdda63 100644
--- a/net/src/main/java/com/zfoo/net/core/tcp/TcpClient.java
+++ b/net/src/main/java/com/zfoo/net/core/tcp/TcpClient.java
@@ -42,6 +42,8 @@ public class TcpClient extends AbstractClient {
     private static class ChannelHandlerInitializer extends ChannelInitializer<SocketChannel> {
         @Override
         protected void initChannel(SocketChannel channel) {
+            // 可以看出来，这个客户端检测到空闲的时间是60s，相对短一点，这样子就可以发送心跳。
+            // 服务器端则是180s，相对长一点，一旦检测到空闲，则把客户端踢掉。
             channel.pipeline().addLast(new IdleStateHandler(0, 0, 60));
             channel.pipeline().addLast(new ClientIdleHandler());
             channel.pipeline().addLast(new TcpCodecHandler());
diff --git a/net/src/main/java/com/zfoo/net/router/Router.java b/net/src/main/java/com/zfoo/net/router/Router.java
index f1d5f9dd..9d122559 100644
--- a/net/src/main/java/com/zfoo/net/router/Router.java
+++ b/net/src/main/java/com/zfoo/net/router/Router.java
@@ -114,13 +114,16 @@ public class Router implements IRouter {
                     if (gatewayAttachment.isClient()) {
                         gatewayAttachment.setClient(false);
                     } else {
+                        // 这里是：别的服务提供者提供授权给网关，比如：在玩家登录后，home服查到了玩家uid，然后发给Gateway服
                         var gatewaySession = NetContext.getSessionManager().getServerSession(gatewayAttachment.getSid());
                         if (gatewaySession != null) {
                             var signalAttachmentInGatewayAttachment = gatewayAttachment.getSignalAttachment();
                             if (signalAttachmentInGatewayAttachment != null) {
                                 signalAttachmentInGatewayAttachment.setClient(false);
                             }
+
                             // 网关授权，授权完成直接返回
+                            // 注意：这个 AuthUidToGatewayCheck 是在home的LoginController中处理完登录后，把消息发给网关进行授权
                             if (AuthUidToGatewayCheck.getAuthProtocolId() == packet.protocolId()) {
                                 var uid = ((AuthUidToGatewayCheck) packet).getUid();
                                 if (uid <= 0) {