diff --git a/server/gameserver/global.cc b/server/gameserver/global.cc
index 14f96c9..5500a17 100755
--- a/server/gameserver/global.cc
+++ b/server/gameserver/global.cc
@@ -30,6 +30,7 @@ bool Global::IsTimeToReset(int time)
 int Global::g_nowtime = time(nullptr);
 int Global::g_time_zone = 8;
 bool Global::g_shutdown = false;
+ColliderComponent* Global::last_collider = nullptr;
 
 bool IsValidSlotId(int slot_id)
 {
diff --git a/server/gameserver/global.h b/server/gameserver/global.h
index 9d9df3c..24604d8 100755
--- a/server/gameserver/global.h
+++ b/server/gameserver/global.h
@@ -2,6 +2,7 @@
 
 extern int g_hint_flags;
 
+class ColliderComponent;
 class Global : public a8::Singleton<Global>
 {
  private:
@@ -17,6 +18,7 @@ class Global : public a8::Singleton<Global>
     static int g_nowtime;
     static int g_time_zone; // 默认东八区
     static bool g_shutdown;
+    static ColliderComponent* last_collider;
 };
 
 bool IsValidSlotId(int slot_id);