diff --git a/Zframework/init.lua b/Zframework/init.lua
index 9650a174..a571559b 100644
--- a/Zframework/init.lua
+++ b/Zframework/init.lua
@@ -380,6 +380,7 @@ function love.errorhandler(msg)
 	local BGcolor=rnd()>.026 and{.3,.5,.9}or{.62,.3,.926}
 	local needDraw=true
 	local count=0
+	local errorMsg=text.errorMsg or"An error has occurred and Techmino needs to restart.\nError info has been created, and you can send it to the author."
 	return function()
 		love.event.pump()
 		for E,a,b in love.event.poll()do
@@ -415,7 +416,7 @@ function love.errorhandler(msg)
 			gc.replaceTransform(xOy)
 			gc_draw(errScrShot,100,365,nil,512/errScrShot:getWidth(),288/errScrShot:getHeight())
 			setFont(100)gc_print(":(",100,40,0,1.2)
-			setFont(40)gc_printf(text.errorMsg,100,200,SCR.w0-100)
+			setFont(40)gc_printf(errorMsg,100,200,SCR.w0-100)
 			setFont(20)
 			gc_print(SYSTEM.."-"..VERSION_NAME,100,660)
 			gc_print("scene:"..SCN.cur,400,660)
diff --git a/Zframework/mDraw.lua b/Zframework/mDraw.lua
index f5f8b3d6..a1538c88 100644
--- a/Zframework/mDraw.lua
+++ b/Zframework/mDraw.lua
@@ -1,22 +1,10 @@
 local printf=love.graphics.printf
 local draw=love.graphics.draw
 local mDraw={}
-function mDraw.str(str,x,y)
-	printf(str,x-626,y,1252,"center")
-end
-function mDraw.simpX(str,x,y)
-	draw(str,x-str:getWidth()*.5,y)
-end
-function mDraw.simpY(str,x,y)
-	draw(str,x,y-str:getHeight()*.5)
-end
-function mDraw.X(str,x,y,a,k)
-	draw(str,x,y,a,k,nil,str:getWidth()*.5,0)
-end
-function mDraw.Y(str,x,y,a,k)
-	draw(str,x,y,a,k,nil,0,str:getHeight()*.5)
-end
-function mDraw.draw(str,x,y,a,k)
-	draw(str,x,y,a,k,nil,str:getWidth()*.5,str:getHeight()*.5)
-end
+function mDraw.str(str,x,y)printf(str,x-626,y,1252,"center")end
+function mDraw.simpX(str,x,y)draw(str,x-str:getWidth()*.5,y)end
+function mDraw.simpY(str,x,y)draw(str,x,y-str:getHeight()*.5)end
+function mDraw.X(str,x,y,a,k)draw(str,x,y,a,k,nil,str:getWidth()*.5,0)end
+function mDraw.Y(str,x,y,a,k)draw(str,x,y,a,k,nil,0,str:getHeight()*.5)end
+function mDraw.draw(str,x,y,a,k)draw(str,x,y,a,k,nil,str:getWidth()*.5,str:getHeight()*.5)end
 return mDraw
\ No newline at end of file
diff --git a/main.lua b/main.lua
index 515a574f..98b4985d 100644
--- a/main.lua
+++ b/main.lua
@@ -54,6 +54,7 @@ THEME=(
 	false
 )
 
+--System setting
 math.randomseed(os.time()*626)
 love.keyboard.setKeyRepeat(true)
 love.keyboard.setTextInput(false)
@@ -204,6 +205,7 @@ SKIN.init{
 	"coloredbone_mrz",
 	"wtf",
 }
+
 --Initialize sound libs
 SFX.init((function()
 	local L={}
@@ -236,6 +238,7 @@ VOC.init{
 	"test","happy","doubt","sad","egg",
 	"welcome_voc",
 }
+
 --Initialize language lib
 LANG.init(
 	{
@@ -295,7 +298,6 @@ for _,v in next,fs.getDirectoryItems("parts/scenes")do
 		LOG.print("Dangerous file : %SAVE%/parts/scenes/"..v)
 	end
 end
-
 LANG.set(SETTING.lang)
 
 --Update data
diff --git a/parts/ai.lua b/parts/ai.lua
index 32e776f3..4c0ae8a0 100644
--- a/parts/ai.lua
+++ b/parts/ai.lua
@@ -1,11 +1,3 @@
---[[
-	HighestBlock
-	BlockedCells
-	Wells
-	FilledLines
-	4deepShape
-	BlockedWells
-]]
 local int,ceil,min,abs,rnd,modf=math.floor,math.ceil,math.min,math.abs,math.random,math.modf
 local ins,rem=table.insert,table.remove
 local YIELD=YIELD
@@ -92,6 +84,14 @@ if _CC then
 	end
 end
 -------------------------------------------------9 Stack setup
+--[[Future:
+	HighestBlock
+	BlockedCells
+	Wells
+	FilledLines
+	4deepShape
+	BlockedWells
+]]
 local dirCount={1,1,3,3,3,0,1}
 local FCL={
 	[1]={