diff --git a/server/gameserver/room.cc b/server/gameserver/room.cc
index b86f0dce..beb05397 100644
--- a/server/gameserver/room.cc
+++ b/server/gameserver/room.cc
@@ -62,6 +62,13 @@
 #include "mt/Robot.h"
 #include "mt/SafeAreaPos.h"
 
+struct FrameCallNode
+{
+    FrameCallCb cb = nullptr;
+    void* context = nullptr;
+    FrameCallNode* next = nullptr;
+};
+
 const int SHUA_RANGE = 580;
 
 static long long RoomXGetTickCount(void* context)
@@ -3617,3 +3624,13 @@ void Room::AddReportBullet(int bullet_uniid)
          },
          &xtimer_attacher_);
 }
+
+void Room::AddFrameCall(FrameCallCb cb, void* context)
+{
+
+}
+
+void Room::UpdateFrameCall()
+{
+
+}
diff --git a/server/gameserver/room.h b/server/gameserver/room.h
index 94eac534..4012f1bb 100644
--- a/server/gameserver/room.h
+++ b/server/gameserver/room.h
@@ -50,6 +50,8 @@ struct CarObject
     bool taken = false;
 };
 
+typedef void (*FrameCallCb)(void*);
+struct FrameCallNode;
 class MatchTeam;
 class Room
 {
@@ -224,6 +226,7 @@ public:
     bool FindWalkablePointWithOutHouse(const glm::vec3& center, int try_count, int step, glm::vec3& out_point);
     void AddReportBullet(int bullet_uniid);
     bool IsDestorying() { return destorying_; }
+    void AddFrameCall(FrameCallCb cb, void* context);
 
 private:
     void ShuaAndroid();
@@ -307,6 +310,7 @@ private:
 
     bool IsAllRealDead();
     void AutoJump();
+    void UpdateFrameCall();
 
 private:
     bool destorying_ = false;
@@ -373,6 +377,10 @@ private:
     std::shared_ptr<AirDrop> air_drop_;
     std::shared_ptr<AirRaid> air_raid_;
 
+    FrameCallNode* top_node_ = nullptr;
+    FrameCallNode* bot_node_ = nullptr;
+    FrameCallNode* work_node_ = nullptr;
+
     friend class Incubator;
     friend class Team;
 };