diff --git a/server/wsproxy/constant.h b/server/wsproxy/constant.h
index 8b27483..ea29aa8 100644
--- a/server/wsproxy/constant.h
+++ b/server/wsproxy/constant.h
@@ -37,3 +37,5 @@ const int MAX_NODE_ID = 8;
 const int MAX_INSTANCE_ID = 500;
 
 const int ALLOC_TARGET_SERVER_SUCCESS_TIMER_EVENT = a8::TIMER_USER_EVENT + 1;
+
+const int PACK_MAX = 1024 * 64;
diff --git a/server/wsproxy/master.cc b/server/wsproxy/master.cc
index eda3a1b..72ce56c 100644
--- a/server/wsproxy/master.cc
+++ b/server/wsproxy/master.cc
@@ -13,8 +13,6 @@
 
 #include "app.h"
 
-const int PACK_MAX = 1024 * 64;
-
 void Master::Init(int instance_id, const std::string& remote_ip, int remote_port)
 {
     this->instance_id = instance_id;
diff --git a/server/wsproxy/upstream.cc b/server/wsproxy/upstream.cc
index efae6a5..03d3f23 100644
--- a/server/wsproxy/upstream.cc
+++ b/server/wsproxy/upstream.cc
@@ -14,8 +14,6 @@
 
 #include "app.h"
 
-const int PACK_MAX = 1024 * 64 * 2;
-
 void UpStream::Init(int instance_id, const std::string& remote_ip, int remote_port)
 {
     if (remote_ip.empty()) {