diff --git a/net/src/main/java/com/zfoo/net/packet/common/Heartbeat.java b/net/src/main/java/com/zfoo/net/packet/common/Heartbeat.java
index 33903bab..8d490d08 100644
--- a/net/src/main/java/com/zfoo/net/packet/common/Heartbeat.java
+++ b/net/src/main/java/com/zfoo/net/packet/common/Heartbeat.java
@@ -13,6 +13,7 @@
 
 package com.zfoo.net.packet.common;
 
+import com.baidu.bjf.remoting.protobuf.annotation.Ignore;
 import com.baidu.bjf.remoting.protobuf.annotation.ProtobufClass;
 import com.zfoo.protocol.IPacket;
 
@@ -23,6 +24,7 @@ import com.zfoo.protocol.IPacket;
 @ProtobufClass
 public class Heartbeat implements IPacket {
 
+    @Ignore
     public static final transient short PROTOCOL_ID = 102;
 
     @Override
diff --git a/net/src/main/java/com/zfoo/net/packet/common/Ping.java b/net/src/main/java/com/zfoo/net/packet/common/Ping.java
index 5cc6ae2d..f2e56c30 100644
--- a/net/src/main/java/com/zfoo/net/packet/common/Ping.java
+++ b/net/src/main/java/com/zfoo/net/packet/common/Ping.java
@@ -13,6 +13,7 @@
 
 package com.zfoo.net.packet.common;
 
+import com.baidu.bjf.remoting.protobuf.annotation.Ignore;
 import com.baidu.bjf.remoting.protobuf.annotation.ProtobufClass;
 import com.zfoo.protocol.IPacket;
 
@@ -23,6 +24,7 @@ import com.zfoo.protocol.IPacket;
 @ProtobufClass
 public class Ping implements IPacket {
 
+    @Ignore
     public static final transient short PROTOCOL_ID = 103;
 
     @Override
diff --git a/net/src/main/java/com/zfoo/net/packet/common/Pong.java b/net/src/main/java/com/zfoo/net/packet/common/Pong.java
index 653f1e60..0ae96238 100644
--- a/net/src/main/java/com/zfoo/net/packet/common/Pong.java
+++ b/net/src/main/java/com/zfoo/net/packet/common/Pong.java
@@ -13,6 +13,7 @@
 
 package com.zfoo.net.packet.common;
 
+import com.baidu.bjf.remoting.protobuf.annotation.Ignore;
 import com.baidu.bjf.remoting.protobuf.annotation.Protobuf;
 import com.baidu.bjf.remoting.protobuf.annotation.ProtobufClass;
 import com.zfoo.protocol.IPacket;
@@ -24,6 +25,7 @@ import com.zfoo.protocol.IPacket;
 @ProtobufClass
 public class Pong implements IPacket {
 
+    @Ignore
     public static final transient short PROTOCOL_ID = 104;
 
     /**