diff --git a/server/gameserver/constant_export.h b/server/gameserver/constant_export.h
index 15515e9d..72889954 100644
--- a/server/gameserver/constant_export.h
+++ b/server/gameserver/constant_export.h
@@ -44,7 +44,7 @@ A8_DECLARE_ENUM(BuffEffectType_e,
     kBET_BePull = 9, //拉人(被拉方)
     kBET_DistanceDmgAddition = 10,
     kBET_OnceChgAttr = 11, //一次性buff
-    kBET_UnUse12 = 12,
+    kBET_Scale = 12, //缩放角色模型，这时res_scale表示缩放比，客户端需要特殊处理
     kBET_ModifyAttr = 13,
     kBET_PlayShotAni = 14, //播放射击动画
     kBET_Vertigo = 15, //眩晕