diff --git a/src/adv/AdvBuff.lua b/src/adv/AdvBuff.lua
index f6810b0..4250032 100644
--- a/src/adv/AdvBuff.lua
+++ b/src/adv/AdvBuff.lua
@@ -95,7 +95,6 @@ local function commonAttCond(_Buff, attrName)
 	end
 
 	_Buff._effectValue = function(self)
-		print(self:_calculate() * self.layer)
 		return self.buffData.effectValue1, self:_calculate() * self.layer, attrName
 	end
 
@@ -230,7 +229,6 @@ local BuffFactory = {
 			elseif self.buffData.effectValue1 == 2 then
 				dispel = buffData.classify:sismember(self.buffData.effectValue2, " ")
 			end
-
 			return dispel
 		end
 	end,
diff --git a/src/adv/AdvPlayer.lua b/src/adv/AdvPlayer.lua
index 15ba5b4..8bbf3f8 100644
--- a/src/adv/AdvPlayer.lua
+++ b/src/adv/AdvPlayer.lua
@@ -152,6 +152,7 @@ function BaseObject:addBuff(buffId, releaser)
 	end
 	self:triggerPassive(Passive.GET_BUFF, {buffId = buffId})
 	self.battle.adv:backBuff(self.monsterId, buffId)
+	return true
 end
 
 function BaseObject:getBuffById(bId)
@@ -647,9 +648,12 @@ function Player:afterLayer()
 end
 
 function Player:addBuff(buffId, releaser)
-	Player.super.addBuff(self, buffId, releaser)
-	self.battle.player:attrChangeCondBuffCheck(2, buffId)
-	self.battle.adv:checkAchievement(self.battle.adv.AchievType.GetBuff, 1, buffId)
+	local status = Player.super.addBuff(self, buffId, releaser)
+	if  status then
+		self.battle.player:attrChangeCondBuffCheck(2, buffId)
+		self.battle.adv:checkAchievement(self.battle.adv.AchievType.GetBuff, 1, buffId)
+	end
+	return status
 end
 
 function Player:attrChangeCondBuffCheck(etype, cond)
@@ -663,7 +667,6 @@ function Player:attrChangeCondBuffCheck(etype, cond)
 			
 		end
 	end
-	dump(effect)
 	for attrName, _ in pairs(effect) do
 		if attrName == "hp" then
 			self:reSetHpMax()
diff --git a/src/utils/StringUtil.lua b/src/utils/StringUtil.lua
index 62d0a43..af05651 100644
--- a/src/utils/StringUtil.lua
+++ b/src/utils/StringUtil.lua
@@ -269,7 +269,7 @@ v1;v2;v3;
 function string.sismember(str, value, delimiter)
 	delimiter = delimiter or ";"
 	for _, v in ipairs(str:toArray(true, delimiter)) do
-		if v == val then
+		if v == value then
 			return true
 		end
 	end
--
libgit2 0.21.2