diff --git a/server/imserver/player.cc b/server/imserver/player.cc
index 3fdd8db..408221b 100644
--- a/server/imserver/player.cc
+++ b/server/imserver/player.cc
@@ -67,6 +67,12 @@ void Player::Serialize(ss::MFUserDB& user_db)
     }
 }
 
+void Player::_CMPing(f8::MsgHdr& hdr, const cs::CMPing& msg)
+{
+    cs::SMPing respmsg;
+    SendMsg(respmsg);
+}
+
 void Player::_CMUpdateUserInfo(f8::MsgHdr& hdr, const cs::CMUpdateUserInfo& msg)
 {
     if (msg.has_nickname()) {
diff --git a/server/imserver/player.h b/server/imserver/player.h
index 3b44bce..b7be3c3 100644
--- a/server/imserver/player.h
+++ b/server/imserver/player.h
@@ -65,6 +65,7 @@ class Player
         }
     }
 
+    void _CMPing(f8::MsgHdr& hdr, const cs::CMPing& msg);
     void _CMUpdateUserInfo(f8::MsgHdr& hdr, const cs::CMUpdateUserInfo& msg);
     void _CMUpdateTempCustomData(f8::MsgHdr& hdr, const cs::CMUpdateTempCustomData& msg);
     void _CMFriendList(f8::MsgHdr& hdr, const cs::CMFriendList& msg);