diff --git a/server/gameserver/room.cc b/server/gameserver/room.cc
index b79e8177..147bc28b 100644
--- a/server/gameserver/room.cc
+++ b/server/gameserver/room.cc
@@ -2125,9 +2125,13 @@ void Room::AddObjectLater(RoomEntity* entity)
 
 void Room::OnGameOver()
 {
-    for (auto& pair : human_hash_) {
-        pair.second->SendGameOver();
-    }
+    TraverseRawHumanList
+        (
+         [] (Human* ele_hum) -> bool
+         {
+             ele_hum->SendGameOver();
+             return true;
+         });
     int param1 = 1;
     xtimer.SetIntervalEx
         (
@@ -2147,9 +2151,13 @@ void Room::OnGameOver()
 #endif
                      RoomMgr::Instance()->AddOverRoom(room_uuid_);
                  }
-                 for (auto& pair : human_hash_) {
-                     pair.second->SendGameOver();
-                 }
+                 TraverseRawHumanList
+                     (
+                      [] (Human* ele_hum) -> bool
+                      {
+                          ele_hum->SendGameOver();
+                          return true;
+                      });
                  ++param1;
              }
          },
@@ -2195,12 +2203,20 @@ void Room::RandRemoveAndroid()
             alive_count_chged_frameno_ = GetFrameNo();
             --PerfMonitor::Instance()->alive_count;
         }
-        for (auto& pair : human_hash_) {
-            pair.second->RemovePartObjects(hum);
-        }
-        for (auto& pair : human_hash_) {
-            pair.second->RemoveObjects(hum);
-        }
+        TraverseRawHumanList
+            (
+             [] (Human* ele_hum) -> bool
+             {
+                 ele_hum->RemovePartObjects(hum);
+                 return true;
+             });
+        TraverseRawHumanList
+            (
+             [] (Human* ele_hum) -> bool
+             {
+                 ele_hum->RemoveObjects(hum);
+                 return true;
+             });
         frame_event.AddExitGame(hum->GetWeakPtrRef());
     }
 }