diff --git a/server/imserver/asynctaskmgr.cc b/server/imserver/asynctaskmgr.cc
index 5fbfbad..305cc77 100644
--- a/server/imserver/asynctaskmgr.cc
+++ b/server/imserver/asynctaskmgr.cc
@@ -6,6 +6,7 @@
 #include "app.h"
 #include "player.h"
 #include "playermgr.h"
+#include "dbhelper.h"
 
 #include "cs_proto.pb.h"
 #include "ss_proto.pb.h"
@@ -110,13 +111,14 @@ void AsyncTaskMgr::CreateRecommandFriendTask(Player* hum)
     {
         ss::SS_IM_RandomUsersRequest msg;
         hum->FillIMMsgConext(msg.mutable_context());
-        for (auto& account_id : hum->exclude_account_ids) {
+        for (auto& account_id : hum->GetExcludeAccountIds()) {
             msg.add_exclude_account_ids(account_id);
         }
         hum->SendSSMsg(hum->myself, msg);
         FillAsyncTaskContext(hum, &task->context, msg.context().seqid());
         recommand_friend_tasks_[task->context.seqid] = task;
     }
+    DBHelper::Instance()->ShuaOfflineUsers(hum);
     a8::Timer::Instance()->AddDeadLineTimer
         (
          500,
@@ -150,7 +152,9 @@ void AsyncTaskMgr::_SS_IM_PushUserOnlineState(f8::MsgHdr& hdr, const ss::SS_IM_P
 
 void AsyncTaskMgr::_SS_IM_RandomUsersResponse(f8::MsgHdr& hdr, const ss::SS_IM_RandomUsersResponse& msg)
 {
-
+    RecommandFriendTask* task = GetRecommandFriendTask(msg.context().seqid());
+    if (task) {
+    }
 }
 
 QueryUserStatusTask* AsyncTaskMgr::GetQueryUserStatusTask(long long seqid)
diff --git a/server/imserver/dbhelper.cc b/server/imserver/dbhelper.cc
index 03c6554..de086e6 100644
--- a/server/imserver/dbhelper.cc
+++ b/server/imserver/dbhelper.cc
@@ -10,6 +10,9 @@
 #include "app.h"
 #include "synchelper.h"
 
+#include "cs_proto.pb.h"
+#include "ss_proto.pb.h"
+
 void DBHelper::Init()
 {
 }
@@ -191,3 +194,91 @@ void DBHelper::SetEventStatus(long long idx,
          crc32_code
          );
 }
+
+void DBHelper::ShuaOfflineUsers(Player* hum)
+{
+    std::set<std::string>& exclude_account_ids = hum->GetExcludeAccountIds();
+    if (cache_users_hash.size() < 500 && !exclude_account_ids.empty()) {
+        std::string fmtstr;
+        std::vector<a8::XValue> sql_params;
+        for (auto& account_id : exclude_account_ids) {
+            fmtstr += "'%s',";
+            sql_params.push_back(a8::XValue(account_id));
+        }
+        if (!fmtstr.empty()) {
+            fmtstr = fmtstr.substr(0, fmtstr.size() - 1);
+        }
+        auto on_ok =
+            [] (a8::XParams& param, const f8::DataSet* data_set)
+            {
+                if (data_set) {
+                    for (auto& row : *data_set) {
+                        DBHelper::Instance()->AddCache
+                            (
+                             row[1], //account_id
+                             row[2], //nickname
+                             row[3], //avatar_url
+                             a8::XValue(row[4]), //sex
+                             a8::XValue(row[5]), //data_version1
+                             a8::XValue(row[6]), //user_value1
+                             a8::XValue(row[7]), //user_value2
+                             a8::XValue(row[8]), //user_value3
+                             a8::XValue(row[9]) //last_logintime
+                             );
+                    }
+                }
+            };
+        auto on_error =
+            [] (a8::XParams& param, int error_code, const std::string& error_msg)
+            {
+
+            };
+
+        a8::XObject conn_info = DBEngine::Instance()->GetConnInfo(hum->myself.crc32_code);
+        DBEngine::Instance()->ExecAsyncQuery
+            (
+             conn_info,
+             (
+              "SELECT idx, account_id, nickname, avatar_url, sex, data_version1, user_value1, "
+              "   user_value2, user_value3, last_logintime "
+              "FROM `user` WHERE idx > (SELECT 9999 + FLOOR(RAND() * (MAX(idx) - 10000)) FROM `user`))"
+              "   AND account_id not in(" + fmtstr + ") LIMIT 1, 10;"
+              ).c_str(),
+             sql_params,
+             a8::XParams()
+             .SetSender(hum->AccountId()),
+             on_ok,
+             on_error,
+             hum->myself.crc32_code
+             );
+    }
+}
+
+void DBHelper::AddCache(
+                        const std::string& account_id,
+                        const std::string& nickname,
+                        const std::string& avatar_url,
+                        int sex,
+                        long long data_version1,
+                        long long user_value1,
+                        long long user_value2,
+                        long long user_value3,
+                        int last_logintime
+                        )
+{
+    if (cache_users_hash.find(account_id) == cache_users_hash.end()) {
+        cs::MFUserInfo* user_info = new cs::MFUserInfo();
+        user_info->mutable_base_data()->set_account_id(account_id);
+        user_info->mutable_base_data()->set_nickname(nickname);
+        user_info->mutable_base_data()->set_avatar_url(avatar_url);
+        user_info->mutable_base_data()->set_sex(sex);
+        user_info->mutable_base_data()->set_base_data_version(data_version1);
+        user_info->mutable_base_data()->set_user_value1(user_value1);
+        user_info->mutable_base_data()->set_user_value2(user_value2);
+        user_info->mutable_base_data()->set_user_value3(user_value3);
+        user_info->mutable_base_data()->set_last_login_time(last_logintime);
+        user_info->mutable_base_data()->set__online(0);
+        cache_users_hash[account_id] = user_info;
+        cache_users_list.push_back(user_info);
+    }
+}
diff --git a/server/imserver/dbhelper.h b/server/imserver/dbhelper.h
index b57b109..32c10c3 100644
--- a/server/imserver/dbhelper.h
+++ b/server/imserver/dbhelper.h
@@ -1,5 +1,10 @@
 #pragma once
 
+namespace cs
+{
+    class MFUserInfo;
+}
+
 class Player;
 class DBHelper : public a8::Singleton<DBHelper>
 {
@@ -30,5 +35,23 @@ class DBHelper : public a8::Singleton<DBHelper>
     void SetEventStatus(long long idx,
                         const std::string& target_id,
                         int status);
+    void ShuaOfflineUsers(Player* hum);
 
+public:
+    std::map<std::string, cs::MFUserInfo*> cache_users_hash;
+    std::vector<cs::MFUserInfo*> cache_users_list;
+
+private:
+
+    void AddCache(
+                  const std::string& account_id,
+                  const std::string& nickname,
+                  const std::string& avatar_url,
+                  int sex,
+                  long long data_version1,
+                  long long user_value1,
+                  long long user_value2,
+                  long long user_value3,
+                  int last_logintime
+                  );
 };
diff --git a/server/imserver/player.cc b/server/imserver/player.cc
index 3ddbdc5..5e64e6d 100644
--- a/server/imserver/player.cc
+++ b/server/imserver/player.cc
@@ -737,6 +737,18 @@ void Player::FillMFUserInfo(cs::MFUserInfo* user_info)
     TypeConvert::Convert(myself.temp_custom_data, *(user_info->mutable_temp_custom_data()));
 }
 
+std::set<std::string>& Player::GetExcludeAccountIds()
+{
+    for (auto& pair : friend_hash_) {
+        exclude_account_ids_.insert(pair.first);
+    }
+    for (auto& pair : black_hash_) {
+        exclude_account_ids_.insert(pair.first);
+    }
+    exclude_account_ids_.insert(AccountId());
+    return exclude_account_ids_;
+}
+
 void Player::MarkDirty()
 {
     if (!dirty_) {
diff --git a/server/imserver/player.h b/server/imserver/player.h
index 622dfb9..84e1429 100644
--- a/server/imserver/player.h
+++ b/server/imserver/player.h
@@ -20,7 +20,6 @@ class Player
     RoleData role_data;
     long ip_saddr = 0;
     int account_registertime = 0;
-    std::set<std::string> exclude_account_ids;
 
  public:
     void Init();
@@ -105,6 +104,7 @@ class Player
     void FillIMMsgConext(ss::MFIMMsgConext* context);
     void Update(long long tick);
     void FillMFUserInfo(cs::MFUserInfo* user_info);
+    std::set<std::string>& GetExcludeAccountIds();
 
     const std::string AccountId();
     const std::string SessionId();
@@ -161,6 +161,7 @@ private:
     long long last_run_tick_ = 0;
     std::map<long long, Event> event_hash_;
     int red_point_flags_ = 0;
+    std::set<std::string> exclude_account_ids_;
 
     std::map<std::string, Friend*> friend_hash_;
     std::map<std::string, Friend*> black_hash_;
diff --git a/server/imserver/playermgr.cc b/server/imserver/playermgr.cc
index e8c7de2..e846d6f 100644
--- a/server/imserver/playermgr.cc
+++ b/server/imserver/playermgr.cc
@@ -143,7 +143,28 @@ void PlayerMgr::_SS_IM_PushUserOnlineState(f8::MsgHdr& hdr, const ss::SS_IM_Push
 
 void PlayerMgr::_SS_IM_RandomUsersRequest(f8::MsgHdr& hdr, const ss::SS_IM_RandomUsersRequest& msg)
 {
+    std::set<std::string> exclude_account_ids;
+    for (auto& account_id : msg.exclude_account_ids()) {
+        exclude_account_ids.insert(account_id);
+    }
+    std::vector<Player*> human_list;
+    human_list.reserve(100);
+    for (auto& pair : accountid_hash_) {
+        if (pair.second->GetFriendNum() < MAX_FRIEND_NUM &&
+            exclude_account_ids.find(pair.second->AccountId()) == exclude_account_ids.end()) {
+            human_list.push_back(pair.second);
+        }
+    }
+    std::random_shuffle(human_list.begin(), human_list.end());
 
+    ss::SS_IM_RandomUsersResponse respmsg;
+    *respmsg.mutable_context() = msg.context();
+    for (size_t i = 0; i < 4; ++i) {
+        if (i < human_list.size()) {
+            human_list[i]->FillMFUserInfo(respmsg.add_user_infos());
+        }
+    }
+    IMListener::Instance()->SendMsg(hdr.socket_handle, respmsg);
 }
 
 void PlayerMgr::_SS_IM_RandomUsersResponse(f8::MsgHdr& hdr, const ss::SS_IM_RandomUsersResponse& msg)