diff --git a/server/gameserver/creature.cc b/server/gameserver/creature.cc
index 3502a2a..f204b22 100644
--- a/server/gameserver/creature.cc
+++ b/server/gameserver/creature.cc
@@ -1568,7 +1568,21 @@ bool Creature::FreezeOperate()
 
 void Creature::SlaveOnRemove(Entity* slave)
 {
+    switch (slave->GetEntityType()) {
+    case ET_Hero:
+        {
 
+        }
+        break;
+    case ET_Obstacle:
+        {
+        }
+        break;
+    default:
+        {
+            abort();
+        }
+    }
 }
 
 void Creature::RemoveMoreHero(int buff_id, int id, int num)