diff --git a/net/src/main/java/com/zfoo/net/core/proxy/TunnelClient.java b/net/src/main/java/com/zfoo/net/core/proxy/TunnelClient.java
index a421c58e..6b80e61b 100644
--- a/net/src/main/java/com/zfoo/net/core/proxy/TunnelClient.java
+++ b/net/src/main/java/com/zfoo/net/core/proxy/TunnelClient.java
@@ -39,7 +39,7 @@ public class TunnelClient extends AbstractClient<SocketChannel> {
 
     @Override
     protected void initChannel(SocketChannel channel) {
-        channel.pipeline().addLast(new IdleStateHandler(0, 0, 60));
+        channel.pipeline().addLast(new IdleStateHandler(0, 0, 8));
         channel.pipeline().addLast(new TunnelClientIdleHandler());
         channel.pipeline().addLast(new TunnelClientCodecHandler());
         channel.pipeline().addLast(new TunnelClientRouteHandler());
diff --git a/net/src/main/java/com/zfoo/net/core/proxy/TunnelServer.java b/net/src/main/java/com/zfoo/net/core/proxy/TunnelServer.java
index 5fbba793..70f2903d 100644
--- a/net/src/main/java/com/zfoo/net/core/proxy/TunnelServer.java
+++ b/net/src/main/java/com/zfoo/net/core/proxy/TunnelServer.java
@@ -37,7 +37,7 @@ public class TunnelServer extends AbstractServer<SocketChannel> {
 
     @Override
     protected void initChannel(SocketChannel channel) throws Exception {
-        channel.pipeline().addLast(new IdleStateHandler(0, 0, 180));
+        channel.pipeline().addLast(new IdleStateHandler(0, 0, 32));
         channel.pipeline().addLast(new ServerIdleHandler());
         channel.pipeline().addLast(new TunnelServerCodecHandler());
         channel.pipeline().addLast(new TunnelServerRouteHandler());