diff --git a/server/imserver/player.cc b/server/imserver/player.cc
index cb082ec..6666d88 100644
--- a/server/imserver/player.cc
+++ b/server/imserver/player.cc
@@ -307,7 +307,7 @@ void Player::_CMFriendDeleteBlack(f8::MsgHdr& hdr, const cs::CMFriendDeleteBlack
 void Player::_CMSendChatMsg(f8::MsgHdr& hdr, const cs::CMSendChatMsg& msg)
 {
     ss::SS_IM_SendChatMsg ss_msg;
-    FillIMMsgConext(hdr, ss_msg.mutable_context());
+    FillIMMsgConext(ss_msg.mutable_context());
     ss_msg.set_chat_channel(msg.chat_channel());
     ss_msg.set_msg(msg.msg());
     Friend* friend_data = GetFriendById(msg.target());
@@ -319,7 +319,7 @@ void Player::_CMSendChatMsg(f8::MsgHdr& hdr, const cs::CMSendChatMsg& msg)
 void Player::_CMSendCustomMsg(f8::MsgHdr& hdr, const cs::CMSendCustomMsg& msg)
 {
     ss::SS_IM_SendCustomMsg ss_msg;
-    FillIMMsgConext(hdr, ss_msg.mutable_context());
+    FillIMMsgConext(ss_msg.mutable_context());
     ss_msg.set_msg(msg.msg());
     ss_msg.set_param1(msg.param1());
     ss_msg.set_param2(msg.param2());
@@ -521,7 +521,7 @@ void Player::FillFriendList(::google::protobuf::RepeatedPtrField< ::cs::MFUserIn
     }
 }
 
-void Player::FillIMMsgConext(f8::MsgHdr& hdr, ss::MFIMMsgConext* context)
+void Player::FillIMMsgConext(ss::MFIMMsgConext* context)
 {
     FillMFUserInfo(context->mutable_user_info());
     context->set_seqid(App::Instance()->NewSeqId());
@@ -530,7 +530,7 @@ void Player::FillIMMsgConext(f8::MsgHdr& hdr, ss::MFIMMsgConext* context)
 void Player::ForwardGroupCMMsg(f8::MsgHdr& hdr, long long hash_code)
 {
     ss::SS_MS_ForwardGroupCMMsg msg;
-    FillIMMsgConext(hdr, msg.mutable_context());
+    FillIMMsgConext(msg.mutable_context());
     if (hdr.buflen > 0) {
         msg.mutable_payload()->assign(hdr.buf, hdr.buflen);
     }
diff --git a/server/imserver/player.h b/server/imserver/player.h
index 0f316c6..574fbff 100644
--- a/server/imserver/player.h
+++ b/server/imserver/player.h
@@ -97,12 +97,12 @@ class Player
     void NotifyOnline();
     void NotifyOffline();
     void NotifyUserInfoUpdate(Friend* friend_data);
+    void FillIMMsgConext(ss::MFIMMsgConext* context);
 
     const std::string AccountId();
 
 private:
     void FillFriendList(::google::protobuf::RepeatedPtrField< ::cs::MFUserInfo >* friend_list);
-    void FillIMMsgConext(f8::MsgHdr& hdr, ss::MFIMMsgConext* context);
     void FillMFUserInfo(cs::MFUserInfo* user_info);
     void ForwardGroupCMMsg(f8::MsgHdr& hdr, long long hash_code);
     void SaveToDB(a8::XParams param, f8::AsyncDBOnOkFunc on_ok, f8::AsyncDBOnErrorFunc on_error);
diff --git a/server/imserver/synchelper.cc b/server/imserver/synchelper.cc
index 7ba4b18..5f5fd88 100644
--- a/server/imserver/synchelper.cc
+++ b/server/imserver/synchelper.cc
@@ -1,6 +1,7 @@
 #include "precompile.h"
 
 #include <a8/openssl.h>
+#include <a8/timer.h>
 
 #include "synchelper.h"
 #include "player.h"
@@ -22,16 +23,58 @@ void SyncHelper::UnInit()
 
 void SyncHelper::SyncNewFriend(Player* hum, const std::string& target_id)
 {
-    ss::SS_IM_FriendAgreeRequest notifymsg;
-    notifymsg.set_target_id(target_id);
-    BroadcastIMConnMsg(notifymsg);
+    ss::SS_IM_FriendAgreeRequest* notifymsg = new ss::SS_IM_FriendAgreeRequest;
+    hum->FillIMMsgConext(notifymsg->mutable_context());
+    notifymsg->set_target_id(target_id);
+    BroadcastIMConnMsg(*notifymsg);
+    pending_request_hash_[notifymsg->context().seqid()] =
+        a8::Timer::Instance()->AddDeadLineTimer
+        (
+         1000 * 10,
+         a8::XParams()
+         .SetSender(notifymsg)
+         .SetParam1(notifymsg->context().seqid()),
+         [] (const a8::XParams& param)
+         {
+             ss::SS_IM_FriendAgreeRequest* notifymsg =
+                 (ss::SS_IM_FriendAgreeRequest*)param.sender.GetUserData();
+         },
+         [] (const a8::XParams& param)
+         {
+             ss::SS_IM_FriendAgreeRequest* notifymsg =
+                 (ss::SS_IM_FriendAgreeRequest*)param.sender.GetUserData();
+             delete notifymsg;
+             SyncHelper::Instance()->RemovePendingRequest(param.param1);
+         }
+         );
 }
 
 void SyncHelper::SyncDeleteFriend(Player* hum, const std::string& target_id)
 {
-    ss::SS_IM_FriendDeleteRequest notifymsg;
-    notifymsg.set_target_id(target_id);
-    BroadcastIMConnMsg(notifymsg);
+    ss::SS_IM_FriendDeleteRequest* notifymsg = new ss::SS_IM_FriendDeleteRequest();
+    hum->FillIMMsgConext(notifymsg->mutable_context());
+    notifymsg->set_target_id(target_id);
+    BroadcastIMConnMsg(*notifymsg);
+    pending_request_hash_[notifymsg->context().seqid()] =
+        a8::Timer::Instance()->AddDeadLineTimer
+        (
+         1000 * 10,
+         a8::XParams()
+         .SetSender(notifymsg)
+         .SetParam1(notifymsg->context().seqid()),
+         [] (const a8::XParams& param)
+         {
+             ss::SS_IM_FriendDeleteRequest* notifymsg =
+                 (ss::SS_IM_FriendDeleteRequest*)param.sender.GetUserData();
+         },
+         [] (const a8::XParams& param)
+         {
+             ss::SS_IM_FriendDeleteRequest* notifymsg =
+                 (ss::SS_IM_FriendDeleteRequest*)param.sender.GetUserData();
+             delete notifymsg;
+             SyncHelper::Instance()->RemovePendingRequest(param.param1);
+         }
+         );
 }
 
 void SyncHelper::SyncUpdateFriend(Player* hum, const std::string& target_id)
@@ -72,10 +115,23 @@ void SyncHelper::BroadcastIMConnMsg(int msgid, ::google::protobuf::Message& msg)
 
 void SyncHelper::_SS_IM_FriendAgreeResponse(f8::MsgHdr& hdr, const ss::SS_IM_FriendAgreeResponse& msg)
 {
-
+    auto itr = pending_request_hash_.find(msg.context().seqid());
+    if (itr != pending_request_hash_.end()) {
+        a8::Timer::Instance()->DeleteTimer(itr->second);
+        RemovePendingRequest(msg.context().seqid());
+    }
 }
 
 void SyncHelper::_SS_IM_FriendDeleteResponse(f8::MsgHdr& hdr, const ss::SS_IM_FriendDeleteResponse& msg)
 {
-
+    auto itr = pending_request_hash_.find(msg.context().seqid());
+    if (itr != pending_request_hash_.end()) {
+        a8::Timer::Instance()->DeleteTimer(itr->second);
+        RemovePendingRequest(msg.context().seqid());
+    }
+}
+
+void SyncHelper::RemovePendingRequest(long long seqid)
+{
+    pending_request_hash_.erase(seqid);
 }
diff --git a/server/imserver/synchelper.h b/server/imserver/synchelper.h
index 895eb37..85a8c48 100644
--- a/server/imserver/synchelper.h
+++ b/server/imserver/synchelper.h
@@ -7,16 +7,17 @@ namespace ss
 }
 
 class Player;
+struct timer_list;
 class SyncHelper : public a8::Singleton<SyncHelper>
 {
- public:
+public:
     enum { HID = HID_SyncHelper };
 
- private:
+private:
     SyncHelper() {};
     friend class a8::Singleton<SyncHelper>;
 
- public:
+public:
     void Init();
     void UnInit();
 
@@ -27,7 +28,11 @@ class SyncHelper : public a8::Singleton<SyncHelper>
     void _SS_IM_FriendAgreeResponse(f8::MsgHdr& hdr, const ss::SS_IM_FriendAgreeResponse& msg);
     void _SS_IM_FriendDeleteResponse(f8::MsgHdr& hdr, const ss::SS_IM_FriendDeleteResponse& msg);
 
- private:
+private:
+
+    void RemovePendingRequest(long long seqid);
+
+private:
     template <typename T>
     void BroadcastIMConnMsg(T& msg)
     {
@@ -36,4 +41,6 @@ class SyncHelper : public a8::Singleton<SyncHelper>
     }
 
     void BroadcastIMConnMsg(int msgid, ::google::protobuf::Message& msg);
+
+    std::map<long long, timer_list*> pending_request_hash_;
 };