diff --git a/server/masterserver/cachemgr.cc b/server/masterserver/cachemgr.cc
index 854e173..691670e 100644
--- a/server/masterserver/cachemgr.cc
+++ b/server/masterserver/cachemgr.cc
@@ -11,3 +11,23 @@ void CacheMgr::UnInit()
 {
 
 }
+
+void CacheMgr::_SS_IM_UserOnline(f8::MsgHdr& hdr, const ss::SS_IM_UserOnline& msg)
+{
+
+}
+
+void CacheMgr::_SS_IM_UserOffline(f8::MsgHdr& hdr, const ss::SS_IM_UserOffline& msg)
+{
+
+}
+
+void CacheMgr::_SS_IM_PullUserList(f8::MsgHdr& hdr, const ss::SS_IM_PullUserList& msg)
+{
+
+}
+
+void CacheMgr::_SS_IM_IMServerList(f8::MsgHdr& hdr, const ss::SS_IM_IMServerList& msg)
+{
+
+}
diff --git a/server/masterserver/cachemgr.h b/server/masterserver/cachemgr.h
index bf17e12..ac2074d 100644
--- a/server/masterserver/cachemgr.h
+++ b/server/masterserver/cachemgr.h
@@ -16,6 +16,11 @@ class CacheMgr : public a8::Singleton<CacheMgr>
     void Init();
     void UnInit();
 
+    void _SS_IM_UserOnline(f8::MsgHdr& hdr, const ss::SS_IM_UserOnline& msg);
+    void _SS_IM_UserOffline(f8::MsgHdr& hdr, const ss::SS_IM_UserOffline& msg);
+    void _SS_IM_PullUserList(f8::MsgHdr& hdr, const ss::SS_IM_PullUserList& msg);
+    void _SS_IM_IMServerList(f8::MsgHdr& hdr, const ss::SS_IM_IMServerList& msg);
+
  private:
 
  private:
diff --git a/server/masterserver/error_code.h b/server/masterserver/error_code.h
deleted file mode 100755
index 35ec63e..0000000
--- a/server/masterserver/error_code.h
+++ /dev/null
@@ -1,13 +0,0 @@
-#pragma once
-
-/*
-  类似http的错误码设计
-  0：成功
-  <400: 客户端的错
-  >500: 服务器的错
-*/
-enum ErrorCode_e
-{
-    ERRNO_OK = 0,
-
-};
diff --git a/server/masterserver/handlermgr.cc b/server/masterserver/handlermgr.cc
index 81d6c59..876aaf5 100644
--- a/server/masterserver/handlermgr.cc
+++ b/server/masterserver/handlermgr.cc
@@ -8,6 +8,7 @@
 #include "app.h"
 #include "svrmgr.h"
 #include "imsmgr.h"
+#include "cachemgr.h"
 
 static void _GMOpsSelfChecking(f8::JsonHttpRequest* request)
 {
@@ -47,6 +48,10 @@ void HandlerMgr::RegisterNetMsgHandlers()
     RegisterNetMsgHandler(&ggmsghandler, &GGListener::_SS_Ping);
 
     RegisterNetMsgHandler(&immsghandler, &IMSMgr::_SS_Ping);
+    RegisterNetMsgHandler(&immsghandler, &CacheMgr::_SS_IM_UserOnline);
+    RegisterNetMsgHandler(&immsghandler, &CacheMgr::_SS_IM_UserOffline);
+    RegisterNetMsgHandler(&immsghandler, &CacheMgr::_SS_IM_PullUserList);
+    RegisterNetMsgHandler(&immsghandler, &CacheMgr::_SS_IM_IMServerList);
 }
 
 void HandlerMgr::ProcGMMsg(unsigned long saddr, int sockhandle,
diff --git a/server/masterserver/precompile.h b/server/masterserver/precompile.h
index 49c2658..50e6f1d 100644
--- a/server/masterserver/precompile.h
+++ b/server/masterserver/precompile.h
@@ -5,7 +5,6 @@
 
 #include "constant.h"
 #include "types.h"
-#include "error_code.h"
 #include "global.h"
 
 namespace google