diff --git a/Zframework/bgm.lua b/Zframework/bgm.lua
index 37b4dde3..e8bddb11 100644
--- a/Zframework/bgm.lua
+++ b/Zframework/bgm.lua
@@ -24,8 +24,24 @@ function BGM.init(list)
 	function BGM.getList()return simpList end
 	local count=#simpList
 	function BGM.getCount()return count end
-	function BGM.loadAll()for name in next,Sources do load(name)end end
 
+	local function load(name)
+		if type(Sources[name])=='string'then
+			if love.filesystem.getInfo(Sources[name])then
+				Sources[name]=love.audio.newSource(Sources[name],'stream')
+				Sources[name]:setLooping(true)
+				Sources[name]:setVolume(0)
+				return true
+			else
+				MES.new('warn',"No BGM file: "..Sources[name],5)
+			end
+		elseif Sources[name]then
+			return true
+		elseif name then
+			MES.new('warn',"No BGM: "..name,5)
+		end
+	end
+	function BGM.loadAll()for name in next,Sources do load(name)end end
 	local function fadeOut(src)
 		while true do
 			coroutine.yield()
@@ -51,22 +67,6 @@ function BGM.init(list)
 	local function removeCurFadeOut(task,code,src)
 		return task.code==code and task.args[1]==src
 	end
-	local function load(name)
-		if type(Sources[name])=='string'then
-			if love.filesystem.getInfo(Sources[name])then
-				Sources[name]=love.audio.newSource(Sources[name],'stream')
-				Sources[name]:setLooping(true)
-				Sources[name]:setVolume(0)
-				return true
-			else
-				MES.new('warn',"No BGM file: "..Sources[name],5)
-			end
-		elseif Sources[name]then
-			return true
-		elseif name then
-			MES.new('warn',"No BGM: "..name,5)
-		end
-	end
 	function BGM.play(name)
 		if not name then name=BGM.default end
 		if not load(name)then return end
diff --git a/Zframework/doGC.lua b/Zframework/doGC.lua
deleted file mode 100644
index f41131a8..00000000
--- a/Zframework/doGC.lua
+++ /dev/null
@@ -1,72 +0,0 @@
-local gc=love.graphics
-local cmds={
-	origin="origin",
-	move="translate",
-	scale="scale",
-	rotate="rotate",
-	shear="shear",
-	clear="clear",
-
-	setCL="setColor",
-	setCM="setColorMask",
-	setLW="setLineWidth",
-	setLS="setLineStyle",
-	setLJ="setLineJoin",
-
-	print="print",
-	setFT=setFont,
-	mText=GC.str,
-	mDraw=GC.draw,
-	mOutDraw=GC.outDraw,
-
-	draw="draw",
-	line="line",
-	fRect=function(...)gc.rectangle('fill',...)end,
-	dRect=function(...)gc.rectangle('line',...)end,
-	fCirc=function(...)gc.circle('fill',...)end,
-	dCirc=function(...)gc.circle('line',...)end,
-	fElps=function(...)gc.ellipse('fill',...)end,
-	dElps=function(...)gc.ellipse('line',...)end,
-	fPoly=function(...)gc.polygon('fill',...)end,
-	dPoly=function(...)gc.polygon('line',...)end,
-
-	dPie=function(...)gc.arc('line',...)end,
-	dArc=function(...)gc.arc('line','open',...)end,
-	dBow=function(...)gc.arc('line','closed',...)end,
-	fPie=function(...)gc.arc('fill',...)end,
-	fArc=function(...)gc.arc('fill','open',...)end,
-	fBow=function(...)gc.arc('fill','closed',...)end,
-}
-local sizeLimit=gc.getSystemLimits().texturesize
-return function(L)
-	gc.push()
-		::REPEAT_tryAgain::
-		local success,canvas=pcall(gc.newCanvas,math.min(L[1],sizeLimit),math.min(L[2],sizeLimit))
-		if not success then
-			sizeLimit=math.floor(sizeLimit*.8)
-			goto REPEAT_tryAgain
-		end
-		gc.setCanvas(canvas)
-			gc.origin()
-			gc.setColor(1,1,1)
-			gc.setLineWidth(1)
-			for i=3,#L do
-				local cmd=L[i][1]
-				if type(cmd)=='boolean'and cmd then
-					table.remove(L[i],1)
-					cmd=L[i][1]
-				end
-				if type(cmd)=='string'then
-					local func=cmds[cmd]
-					if type(func)=='string'then func=gc[func]end
-					if func then
-						func(unpack(L[i],2))
-					else
-						error("No gc command: "..cmd)
-					end
-				end
-			end
-		gc.setCanvas()
-	gc.pop()
-	return canvas
-end
\ No newline at end of file
diff --git a/Zframework/gcExtend.lua b/Zframework/gcExtend.lua
index c1679335..3b1afe96 100644
--- a/Zframework/gcExtend.lua
+++ b/Zframework/gcExtend.lua
@@ -1,7 +1,5 @@
 local gc=love.graphics
-local setColor=gc.setColor
-local printf=gc.printf
-local draw=gc.draw
+local setColor,printf,draw=gc.setColor,gc.printf,gc.draw
 local GC={}
 function GC.str(obj,x,y)printf(obj,x-626,y,1252,'center')end
 function GC.simpX(obj,x,y)draw(obj,x-obj:getWidth()*.5,y)end
@@ -97,7 +95,7 @@ do--function GC.DO(L)
 		setLJ="setLineJoin",
 
 		print="print",
-		setFT=setFont,
+		setFT=function(...)setFont(...)end,
 		mText=GC.str,
 		mDraw=GC.draw,
 		mOutDraw=GC.outDraw,
diff --git a/Zframework/image.lua b/Zframework/image.lua
index fa69c7da..e00fbb6a 100644
--- a/Zframework/image.lua
+++ b/Zframework/image.lua
@@ -12,7 +12,7 @@ function IMG.init(list)
 		elseif type(list[name])=='string'then
 			self[name]=love.graphics.newImage(list[name])
 		else
-			MES.new('warn',"No BGM: "..name,5)
+			MES.new('warn',"No IMG: "..name,5)
 			self[name]=null
 		end
 		return self[name]
diff --git a/Zframework/init.lua b/Zframework/init.lua
index cfea58f9..31f24a0b 100644
--- a/Zframework/init.lua
+++ b/Zframework/init.lua
@@ -3,44 +3,63 @@ EDITING=""
 LOADED=false
 ERRDATA={}
 
-SCR=	require'Zframework.screen'
+--Pure lua modules (basic)
 COLOR=	require'Zframework.color'
-SCN=	require'Zframework.scene'
-WS=		require'Zframework.websocket'
+TABLE=	require'Zframework.tableExtend'
+STRING=	require'Zframework.stringExtend'
+PROFILE=require'Zframework.profile'
+JSON=	require'Zframework.json'
+do--Add pcall & MES for JSON lib
+	local encode,decode=JSON.encode,JSON.decode
+	JSON.encode=function(val)
+		local a,b=pcall(encode,val)
+		if a then
+			return b
+		elseif MES then
+			MES.traceback()
+		end
+	end
+	JSON.decode=function(str)
+		local a,b=pcall(decode,str)
+		if a then
+			return b
+		elseif MES then
+			MES.traceback()
+		end
+	end
+end
 
-require'Zframework.setFont'
+--Pure lua modules (complex)
+LOADLIB=require'Zframework.loadLib'
+TASK=	require'Zframework.task'
+WS=		require'Zframework.websocket'
+LANG=	require'Zframework.languages'
+THEME=	require'Zframework.theme'
+
+--Love-based modules (basic)
+FILE=	require'Zframework.file'
+WHEELMOV=require'Zframework.wheelScroll'
+SCR=	require'Zframework.screen'
+SCN=	require'Zframework.scene'
+LIGHT=	require'Zframework.light'
+
+--Love-based modules (complex)
 GC=require'Zframework.gcExtend'
 	mStr=GC.str
 	mText=GC.simpX
 	mDraw=GC.draw
-
-LOADLIB=require'Zframework.loadLib'
-WHEELMOV=require'Zframework.wheelScroll'
-
-JSON=	require'Zframework.json'
-TABLE=	require'Zframework.tableExtend'
-STRING=	require'Zframework.stringExtend'
-
-VIB=	require'Zframework.vibrate'
-SFX=	require'Zframework.sfx'
-
-LIGHT=	require'Zframework.light'
-BG=		require'Zframework.background'
-WIDGET=	require'Zframework.widget'
+require'Zframework.setFont'
 TEXT=	require'Zframework.text'
 SYSFX=	require'Zframework.sysFX'
 MES=	require'Zframework.message'
-
+BG=		require'Zframework.background'
+WIDGET=	require'Zframework.widget'
+VIB=	require'Zframework.vibrate'
+SFX=	require'Zframework.sfx'
 IMG=	require'Zframework.image'
 BGM=	require'Zframework.bgm'
 VOC=	require'Zframework.voice'
 
-LANG=	require'Zframework.languages'
-TASK=	require'Zframework.task'
-FILE=	require'Zframework.file'
-PROFILE=require'Zframework.profile'
-THEME=	require'Zframework.theme'
-
 local ms,kb=love.mouse,love.keyboard
 
 local gc=love.graphics
diff --git a/Zframework/json.lua b/Zframework/json.lua
index d3783ce8..7970a87b 100644
--- a/Zframework/json.lua
+++ b/Zframework/json.lua
@@ -29,7 +29,7 @@ local json = {}
 -- Encode
 -------------------------------------------------------------------------------
 
-local encode
+local _encode
 
 local escape_char_map = {
 	["\\"] = "\\",
@@ -70,7 +70,7 @@ local function encode_table(val, stack)
 		end
 		if n ~= #val then error("invalid table: sparse array") end
 		-- Encode
-		for _, v in ipairs(val) do ins(res, encode(v, stack)) end
+		for _, v in ipairs(val) do ins(res, _encode(v, stack)) end
 		stack[val] = nil
 		return "[" .. table.concat(res, ",") .. "]"
 
@@ -80,7 +80,7 @@ local function encode_table(val, stack)
 			if type(k) ~= 'string' then
 				error("invalid table: mixed or invalid key types")
 			end
-			ins(res, encode(k, stack) .. ":" .. encode(v, stack))
+			ins(res, _encode(k, stack) .. ":" .. _encode(v, stack))
 		end
 		stack[val] = nil
 		return "{" .. table.concat(res, ",") .. "}"
@@ -107,21 +107,14 @@ local type_func_map = {
 	['boolean'] = tostring
 }
 
-encode = function(val, stack)
+_encode = function(val, stack)
 	local t = type(val)
 	local f = type_func_map[t]
 	if f then return f(val, stack) end
 	error("unexpected type '" .. t .. "'")
 end
 
-function json.encode(val)
-	local a,b=pcall(encode,val)
-	if a then
-		return b
-	elseif MES then
-		MES.traceback()
-	end
-end
+json.encode=_encode
 
 -------------------------------------------------------------------------------
 -- Decode
@@ -335,7 +328,7 @@ function parse(str, idx)
 	decode_error(str, idx, "unexpected character '" .. chr .. "'")
 end
 
-local function decode(str)
+function json.decode(str)
 	if type(str) ~= 'string' then
 		error("expected argument of type string, got " .. type(str))
 	end
@@ -344,12 +337,4 @@ local function decode(str)
 	if idx <= #str then decode_error(str, idx, "trailing garbage") end
 	return res
 end
-function json.decode(str)
-	local a,b=pcall(decode,str)
-	if a then
-		return b
-	elseif MES then
-		MES.traceback()
-	end
-end
 return json
\ No newline at end of file
diff --git a/Zframework/scene.lua b/Zframework/scene.lua
index 367ff5e5..d35a6555 100644
--- a/Zframework/scene.lua
+++ b/Zframework/scene.lua
@@ -1,6 +1,5 @@
 local gc=love.graphics
 local abs=math.abs
-local SCR=SCR
 
 local scenes={}
 
diff --git a/main.lua b/main.lua
index 606fd686..a44c88dd 100644
--- a/main.lua
+++ b/main.lua
@@ -37,7 +37,7 @@ love.setDeprecationOutput(false)
 love.keyboard.setKeyRepeat(true)
 love.keyboard.setTextInput(false)
 love.mouse.setVisible(false)
-if SYSTEM=='Android'then
+if SYSTEM=='Android'or SYSTEM=='iOS'then
 	local w,h,f=love.window.getMode()
 	f.resizable=false
 	love.window.setMode(w,h,f)