diff --git a/server/gameserver/roomobstacle.cc b/server/gameserver/roomobstacle.cc
index 20a8b4e7..b98fa839 100644
--- a/server/gameserver/roomobstacle.cc
+++ b/server/gameserver/roomobstacle.cc
@@ -909,13 +909,21 @@ void RoomObstacle::RemoveSameSkillObstacle()
 
 void RoomObstacle::ActiveFlameSurface()
 {
+    ForceGridList();
+    auto cb =
+        [this] ()
+        {
+
+        };
     room->xtimer.SetIntervalEx
         (
          1000 / FRAME_RATE_MS,
-         [this] (int event, const a8::Args* args)
+         [this, cb] (int event, const a8::Args* args)
          {
              if (a8::TIMER_EXEC_EVENT == event) {
+                 cb();
              }
          },
          &xtimer_attacher);
+    cb();
 }