diff --git a/src/adv/AdvBuff.lua b/src/adv/AdvBuff.lua
index 92bf018..6de938d 100644
--- a/src/adv/AdvBuff.lua
+++ b/src/adv/AdvBuff.lua
@@ -378,10 +378,10 @@ function Buff:canEffect(...)
 end
 
 function Buff:effect()
+	self:decCount()
 	if self._effectValue then
 		return self:_effectValue()
 	end
-	self:decCount()
 end
 --删除buff 时调用
 function Buff:endBuff()
--
libgit2 0.21.2