diff --git a/server/gameserver/ability.cc b/server/gameserver/ability.cc
index 86cfd817..5adf116a 100644
--- a/server/gameserver/ability.cc
+++ b/server/gameserver/ability.cc
@@ -18,6 +18,7 @@ struct AttrAddition : public std::enable_shared_from_this<AttrAddition>
     list_head list_entry;
     int attr_id;
     float value;
+    int source_type = kAstNone;
     std::shared_ptr<AttrAddition> holder;
     std::shared_ptr<std::function<std::string()>> get_source;
 
@@ -546,5 +547,6 @@ bool Ability::HasDecAttr(int attr_id)
 void Ability::SetSource(AttrHandle handle, int source_type, std::shared_ptr<std::function<std::string()>> cb)
 {
     auto p = handle.lock();
+    p->source_type = source_type;
     p->get_source = cb;
 }
diff --git a/server/gameserver/ability.h b/server/gameserver/ability.h
index 3c894f52..90c9460d 100644
--- a/server/gameserver/ability.h
+++ b/server/gameserver/ability.h
@@ -4,6 +4,7 @@
 
 enum AbilitySourceType_e
 {
+ kAstNone,
  kAstChip,
  kAstOther
 };