diff --git a/mode_secret_shop_generic.lua b/mode_secret_shop_generic.lua
index 2a54941..e74cea2 100644
--- a/mode_secret_shop_generic.lua
+++ b/mode_secret_shop_generic.lua
@@ -69,8 +69,22 @@ function OnEnd()
 
 end
 
-function Think()
+local fullInvCheck = -90
+
+local earlyGameItem = {
+	"item_clarity",
+	"item_faerie_fire",
+	"item_tango",
+	"item_flask",
+	--		 "item_orb_of_venom",
+	"item_bracer",
+	"item_wraith_band",
+	"item_null_talisman",
+	"item_infused_raindrop",
+	"item_bottle",
+}
 
+function Think()
 	if bot:IsChanneling()
 		or bot:NumQueuedActions() > 0
 		or bot:IsCastingAbility()
@@ -79,6 +93,59 @@ function Think()
 		return
 	end
 
+	local botLevel = bot:GetLevel()
+	local currentTime = DotaTime()
+	local botWorth = bot:GetNetWorth()
+
+	--卖掉一些早期的低端物品用来腾格子
+	if (GetGameMode() ~= 23 and botLevel > 6 and currentTime > fullInvCheck + 1.0
+			and (bot:DistanceFromFountain() <= 200 or bot:DistanceFromSecretShop() <= 200))
+		or (GetGameMode() == 23 and botLevel > 9 and currentTime > fullInvCheck + 1.0)
+	then
+		local emptySlot = X.GetEmptyInventoryAmount(bot)
+		local slotToSell = nil
+
+		local preEmpty = 2
+		if botLevel <= 17 then preEmpty = 1 end
+		if emptySlot <= preEmpty - 1
+		then
+			for i = 1, #earlyGameItem
+			do
+				local itemName = earlyGameItem[i]
+				local itemSlot = bot:FindItemSlot(itemName)
+				if itemSlot >= 0 and itemSlot <= 8
+				then
+					slotToSell = itemSlot
+					break
+				end
+			end
+		end
+
+		--避免过早卖掉大魔棒
+		if botWorth > 9999
+		then
+			local wand = bot:FindItemSlot("item_magic_wand")
+			local assitItem = bot:FindItemSlot("item_infused_raindrop")
+			if assitItem < 0 then assitItem = bot:FindItemSlot("item_bracer") end
+			if assitItem < 0 then assitItem = bot:FindItemSlot("item_null_talisman") end
+			if assitItem < 0 then assitItem = bot:FindItemSlot("item_wraith_band") end
+			if assitItem >= 0
+				and wand >= 6
+				and wand <= 8
+			then
+				slotToSell = assitItem
+			end
+		end
+
+		if slotToSell ~= nil
+		then
+			bot:ActionImmediate_SellItem(bot:GetItemInSlot(slotToSell))
+			return
+		end
+
+		fullInvCheck = currentTime
+	end
+
 	if bot:DistanceFromSecretShop() == 0
 	then
 		bot:Action_MoveToLocation(preferedShop + RandomVector(200))
@@ -90,23 +157,26 @@ function Think()
 		bot:Action_MoveToLocation(preferedShop + RandomVector(20));
 		return;
 	end
+end
+
+function X.GetEmptyInventoryAmount( bot )
+
+	local amount = 0
+	for i = 0, 8
+	do
+		local item = bot:GetItemInSlot( i )
+		if item == nil
+		then
+			amount = amount + 1
+		end
+	end
+
+	return amount
 
 end
 
 --这些是AI会主动走到商店出售的物品
 function X.HaveItemToSell()
-	local earlyGameItem = {
-		"item_clarity",
-		"item_faerie_fire",
-		"item_tango",
-		"item_flask",
-		--		 "item_orb_of_venom",
-		"item_bracer",
-		"item_wraith_band",
-		"item_null_talisman",
-		"item_infused_raindrop",
-		"item_bottle",
-	}
 	for _, item in pairs(earlyGameItem) do
 		local slot = bot:FindItemSlot(item)
 		if slot >= 0 and slot <= 8 then