diff --git a/server/imserver/IMListener.cc b/server/imserver/IMListener.cc
index 6c6c268..de85a4c 100644
--- a/server/imserver/IMListener.cc
+++ b/server/imserver/IMListener.cc
@@ -126,3 +126,9 @@ void IMListener::MarkClient(unsigned short sockhandle, bool is_active)
 {
     tcp_listener_->MarkClient(sockhandle, is_active);
 }
+
+void IMListener::_SS_Ping(f8::MsgHdr& hdr, const ss::SS_Ping& msg)
+{
+    ss::SS_Pong pongmsg;
+    SendMsg(hdr.socket_handle, pongmsg);
+}
diff --git a/server/imserver/IMListener.h b/server/imserver/IMListener.h
index ad2ff6b..2a50695 100644
--- a/server/imserver/IMListener.h
+++ b/server/imserver/IMListener.h
@@ -6,6 +6,11 @@ namespace a8
     class TcpListener;
 }
 
+namespace ss
+{
+    class SS_Ping;
+}
+
 class IMListener : public a8::Singleton<IMListener>
 {
  private:
@@ -34,6 +39,7 @@ class IMListener : public a8::Singleton<IMListener>
     long long GetSendNodeNum();
     long long GetSentBytesNum();
 
+    void _SS_Ping(f8::MsgHdr& hdr, const ss::SS_Ping& msg);
  private:
     a8::TcpListener *tcp_listener_ = nullptr;
 };
diff --git a/server/imserver/WSListener.cc b/server/imserver/WSListener.cc
index 5774844..28270fa 100644
--- a/server/imserver/WSListener.cc
+++ b/server/imserver/WSListener.cc
@@ -112,5 +112,6 @@ void WSListener::MarkClient(unsigned short sockhandle, bool is_active)
 
 void WSListener::_SS_Ping(f8::MsgHdr& hdr, const ss::SS_Ping& msg)
 {
-
+    ss::SS_Pong pongmsg;
+    SendProxyMsg(hdr.socket_handle, pongmsg);
 }
diff --git a/server/imserver/app.cc b/server/imserver/app.cc
index 7ad5c27..5e58e4d 100644
--- a/server/imserver/app.cc
+++ b/server/imserver/app.cc
@@ -14,6 +14,7 @@
 #include "framework/cpp/netmsghandler.h"
 
 #include "app.h"
+#include "IMListener.h"
 #include "WSListener.h"
 #include "jsondatamgr.h"
 #include "handlermgr.h"
@@ -124,6 +125,7 @@ bool App::Init(int argc, char* argv[])
     IMConnMgr::Instance()->Init();
     MSConnMgr::Instance()->Init();
     WSListener::Instance()->Init();
+    IMListener::Instance()->Init();
     PlayerMgr::Instance()->Init();
 
     a8::UdpLog::Instance()->Info("friend_imserver starting instance_id:%d pid:%d ",
@@ -172,6 +174,7 @@ void App::UnInit()
 {
     a8::XPrintf("friend_imserver terminating instance_id:%d pid:%d\n", {instance_id, getpid()});
     PlayerMgr::Instance()->UnInit();
+    IMListener::Instance()->UnInit();
     WSListener::Instance()->UnInit();
     IMConnMgr::Instance()->UnInit();
     MSConnMgr::Instance()->UnInit();
@@ -356,7 +359,7 @@ void App::DispatchMsg()
             break;
         case SF_IMServer:
             {
-
+                ProcessIMServerMsg(hdr);
             }
             break;
         case SF_IMConn:
@@ -417,6 +420,23 @@ void App::ProcessWSProxyMsg(f8::MsgHdr& hdr)
     }
 }
 
+void App::ProcessIMServerMsg(f8::MsgHdr& hdr)
+{
+    f8::NetMsgHandler* handler = f8::GetNetMsgHandler(&HandlerMgr::Instance()->immsghandler,
+                                                      hdr.msgid);
+    if (handler) {
+        switch (handler->handlerid) {
+        case HID_IMListener:
+            ProcessNetMsg(handler, IMListener::Instance(), hdr);
+            break;
+        default:
+            {
+            }
+            break;
+        }
+    }
+}
+
 void App::ProcessMasterServerMsg(f8::MsgHdr& hdr)
 {
     f8::NetMsgHandler* handler = f8::GetNetMsgHandler(&HandlerMgr::Instance()->msmsghandler,
diff --git a/server/imserver/app.h b/server/imserver/app.h
index 6b70310..f45c41c 100644
--- a/server/imserver/app.h
+++ b/server/imserver/app.h
@@ -43,6 +43,7 @@ private:
     void ProcessIMMsg();
 
     void ProcessWSProxyMsg(f8::MsgHdr& hdr);
+    void ProcessIMServerMsg(f8::MsgHdr& hdr);
     void ProcessMasterServerMsg(f8::MsgHdr& hdr);
     void ProcessTargetServerMsg(f8::MsgHdr& hdr);
 
diff --git a/server/imserver/handlermgr.cc b/server/imserver/handlermgr.cc
index efce7b6..d3290e7 100644
--- a/server/imserver/handlermgr.cc
+++ b/server/imserver/handlermgr.cc
@@ -4,6 +4,7 @@
 
 #include "handlermgr.h"
 
+#include "IMListener.h"
 #include "WSListener.h"
 #include "app.h"
 #include "player.h"
@@ -32,6 +33,8 @@ void HandlerMgr::UnInit()
 
 void HandlerMgr::RegisterNetMsgHandlers()
 {
+    RegisterNetMsgHandler(&immsghandler, &IMListener::_SS_Ping);
+
     RegisterNetMsgHandler(&wsmsghandler, &WSListener::_SS_Ping);
 
     RegisterNetMsgHandler(&wsmsghandler, &PlayerMgr::_SS_WSP_SocketDisconnect);
diff --git a/server/imserver/handlermgr.h b/server/imserver/handlermgr.h
index d8f58e1..0199388 100644
--- a/server/imserver/handlermgr.h
+++ b/server/imserver/handlermgr.h
@@ -23,6 +23,7 @@ class HandlerMgr : public a8::Singleton<HandlerMgr>
 
     f8::NetMsgHandlerObject wsmsghandler;
     f8::NetMsgHandlerObject msmsghandler;
+    f8::NetMsgHandlerObject immsghandler;
 
     void ProcGMMsg(unsigned long saddr, int sockhandle,
                    const std::string& url, const std::string& querystr);