diff --git a/server/gameserver/mt/InGameVoice.cc b/server/gameserver/mt/InGameVoice.cc
index 32ccc564..2d4a8cae 100644
--- a/server/gameserver/mt/InGameVoice.cc
+++ b/server/gameserver/mt/InGameVoice.cc
@@ -71,9 +71,12 @@ namespace mt
         return _notify_object;
     }
 
-    void InGameVoice::Traverse(std::function<bool (const InGameVoice*)> cb)
+    void InGameVoice::Traverse(int event_type, std::function<bool (const InGameVoice*)> cb)
     {
+        auto itr = s_type_hash_.find(event_type);
+        if (itr != s_type_hash_.end()) {
 
+        }
     }
 
 }
diff --git a/server/gameserver/mt/InGameVoice.h b/server/gameserver/mt/InGameVoice.h
index bfead452..60f7bd8e 100644
--- a/server/gameserver/mt/InGameVoice.h
+++ b/server/gameserver/mt/InGameVoice.h
@@ -44,7 +44,7 @@ namespace mt
         void Init2();
         InGameVoiceNotifyObject_e GetNotifyObject() const;
 
-        static void Traverse(std::function<bool (const InGameVoice*)> cb);
+        static void Traverse(int event_type, std::function<bool (const InGameVoice*)> cb);
 
     private:
         InGameVoiceNotifyObject_e _notify_object;