diff --git a/BGM/far.ogg b/BGM/far.ogg
new file mode 100644
index 00000000..7ffd4087
Binary files /dev/null and b/BGM/far.ogg differ
diff --git a/BGM/shining terminal.ogg b/BGM/shining terminal.ogg
index 5c2fe32a..8bfaa6ab 100644
Binary files a/BGM/shining terminal.ogg and b/BGM/shining terminal.ogg differ
diff --git a/main.lua b/main.lua
index e9be8b72..37e081c4 100644
--- a/main.lua
+++ b/main.lua
@@ -64,8 +64,9 @@ require("callback")
 --load files & settings
 local fs=love.filesystem
 if fs.getInfo("keymap.dat")then fs.remove("keymap.dat")end
+if fs.getInfo("setting.dat")then fs.remove("setting.dat")end
 
-if fs.getInfo("setting.dat")then FILE.loadSetting()
+if fs.getInfo("settings.dat")then FILE.loadSetting()
 else
 	-- firstRun=true
 	if system=="Android"or system=="iOS" then
diff --git a/modes/GM.lua b/modes/GM.lua
index 3c5726d0..31f48e50 100644
--- a/modes/GM.lua
+++ b/modes/GM.lua
@@ -30,7 +30,7 @@ return{
 				P:win("finish")
 			end
 		end,
-		bg="game3",bgm="shining terminal",
+		bg="game3",bgm="far",
 	},
 	slowMark=true,
 	load=function()
diff --git a/parts/bgm.lua b/parts/bgm.lua
index 323677bf..8281656d 100644
--- a/parts/bgm.lua
+++ b/parts/bgm.lua
@@ -5,9 +5,9 @@ local BGM={}
 -- BGM.suspend=[str:pausing ID]
 -- BGM.playing=[src:playing SRC]
 BGM.list={
-	"blank","way","race","newera","push",
-	"reason","infinite","secret7th","secret8th",
-	"shining terminal","oxygen","distortion",
+	"blank","way","race","newera","push","reason","infinite",
+	"secret7th","secret8th",
+	"shining terminal","oxygen","distortion","far",
 	"rockblock","cruelty","final","8-bit happiness","end",
 }
 BGM.len=#BGM.list
diff --git a/parts/file.lua b/parts/file.lua
index de14e20e..a88c185a 100644
--- a/parts/file.lua
+++ b/parts/file.lua
@@ -68,7 +68,7 @@ end
 
 local files={
 	data=	fs.newFile("data.dat"),
-	setting=fs.newFile("setting.dat"),
+	setting=fs.newFile("settings.dat"),
 	VK=		fs.newFile("virtualkey.dat"),
 	keyMap=	fs.newFile("key.dat"),
 	unlock=	fs.newFile("unlock.dat"),
@@ -194,9 +194,6 @@ function File.loadData()
 				S.spin_S[5]=0
 				S.clear_S[5]=0
 			end
-			if S.version=="Alpha V0.8.16"or S.version=="Alpha V0.8.17"or S.version=="Alpha V0.8.18"then
-				setting.skin[3],setting.skin[4]=setting.skin[4],setting.skin[3]
-			end
 			if S.version=="Alpha V0.8.18"or S.version=="Alpha V0.8.19"then
 				S.clear[3],S.clear[4]=S.clear[4],S.clear[3]
 				S.spin[3],S.spin[4]=S.spin[4],S.spin[3]
diff --git a/parts/kickList.lua b/parts/kickList.lua
index 4b587352..01d70138 100644
--- a/parts/kickList.lua
+++ b/parts/kickList.lua
@@ -4,7 +4,7 @@ local ZERO={[01]=Zero,[10]=Zero,[03]=Zero,[30]=Zero,[12]=Zero,[21]=Zero,[32]=Zer
 
 local map={}
 for x=-3,3 do map[x]={}for y=-3,3 do map[x][y]={x,y}end end
-local function collect(T)
+local function collect(T)--make all vec point to the same vec
 	if type(T)=="table"then
 		for _,T in next,T do
 			for k,vec in next,T do
@@ -14,11 +14,11 @@ local function collect(T)
 	end
 end
 
-local function sym(L)
+local function C_sym(L)--use this if the block is centrosymmetry, *PTR!!!
 	L[23]=L[01]L[32]=L[10]
 	L[21]=L[03]L[12]=L[30]
 end
-local function flipList(O)
+local function flipList(O)--use this to copy a symmetry list
 	if not O then return end
 	local L={}
 	for i=1,#O do
@@ -41,9 +41,7 @@ local function reflect(a,b)
 	b[13]=flipList(a[31])
 end
 local function pushZero(T)
-	local L
-	for i=1,#T do
-		L=T[i]
+	for _,L in next,T do
 		if type(L)=="table"then
 			for _,v in next,L do
 				table.insert(v,1,zero)
@@ -163,8 +161,8 @@ local TRS={
 		[10]={{ 1, 0},{ 0,-1},{-1,-1},{ 0,-2},{ 0,-3},{ 0, 3},{ 1,-2}},
 		[03]={{ 1, 0},{ 0,-3},{ 0, 1},{ 0, 2},{ 0, 3},{ 1, 2}},
 		[30]={{-1, 0},{ 0, 1},{ 0,-2},{ 0,-3},{ 0, 3},{-1,-2}},
-	},--5Z
-	{},--5S
+	},--Z5
+	{},--S5
 	{
 		[01]={{-1, 0},{-1, 1},{ 0,-2},{-1,-2},{-1,-1},{ 0, 1}},
 		[10]={{ 1, 0},{ 1,-1},{ 0, 2},{ 1, 2},{ 0,-1},{ 1, 1}},
@@ -208,7 +206,7 @@ local TRS={
 		[20]={{ 0,-1},{ 0, 1},{ 0,-2}},
 		[13]={{ 1, 0},{-1, 1},{-2, 0}},
 		[31]={{-1, 0},{ 1, 1},{ 2, 0}},
-	},--5T
+	},--T5
 	{
 		[01]={{-1, 0},{-1, 1},{ 0,-2},{-1,-1},{-1,-2}},
 		[10]={{ 1, 0},{ 1,-1}},
@@ -267,8 +265,8 @@ local TRS={
 		[20]={{ 0, 1},{-1, 1},{ 1, 0},{-2, 1},{ 0,-1}},
 		[13]={{-1, 0},{-1,-1},{ 0, 1},{-1,-2}},
 		[31]={{ 1, 0},{ 1, 1},{ 0,-1},{ 1, 2}},
-	},--5J
-	{},--5L
+	},--J5
+	{},--L5
 	{
 		[01]={{-1, 0},{-1, 1},{ 1, 0},{-1, 2},{-1,-1},{ 0,-3},{ 0, 1}},
 		[10]={{-1, 0},{ 1,-1},{-1, 0},{ 1,-2},{ 1, 1},{ 0, 3},{ 0, 1}},
@@ -276,8 +274,8 @@ local TRS={
 		[30]={{ 0, 1},{-1, 1},{ 1, 0},{-1,-1},{ 0, 2},{-1, 2},{ 0, 3},{-1, 3},{ 1,-1}},
 		[12]={{ 1, 0},{ 1,-1},{ 0,-1},{ 1,-2},{ 0,-2},{ 1, 1},{-1, 0},{ 0, 2},{ 1, 2}},
 		[21]={{-1, 0},{-1, 1},{ 0, 1},{-1, 2},{ 0, 2},{-1,-1},{ 1, 0},{ 0,-2},{-1,-2}},
-		[32]={{-1, 0},{-1, 1},{-1,-1},{ 0, 2},{-1, 2},{ 0,-2}},
-		[23]={{ 1, 0},{ 1,-1},{ 1, 1},{ 0,-2},{ 1,-2},{ 0, 2}},
+		[32]={{-1, 0},{-1, 1},{-1,-1},{ 1, 0},{ 0, 2},{-1, 2},{ 0,-2}},
+		[23]={{ 1, 0},{ 1,-1},{ 1, 1},{-1, 0},{ 0,-2},{ 1,-2},{ 0, 2}},
 		[02]={{ 0,-1},{ 1,-1},{-1, 0},{ 2,-1},{ 0, 1}},
 		[20]={{ 0, 1},{-1, 1},{ 1, 0},{-2, 1},{ 0,-1}},
 		[13]={{-1, 0},{-1,-1},{ 0, 1},{-1,-2}},
@@ -302,22 +300,25 @@ local TRS={
 	{
 		[01]={{ 1,-1},{ 1, 0},{ 1, 1},{ 0, 1},{-1, 1},{-1, 0},{-1,-1},{ 0,-1},{ 0,-2},{-2,-1},{-2,-2},{ 2, 0},{ 2,-1},{ 2,-2},{ 1, 2},{ 2, 2},{-1, 2},{-2, 2}},
 		[10]={{-1, 0},{-1,-1},{ 0,-1},{ 1,-1},{-2,-2},{-2,-1},{-2, 0},{-1,-2},{ 0,-2},{ 1,-2},{ 2,-2},{-1, 1},{-2, 1},{-2, 2},{ 1, 0},{ 2, 0},{ 2,-1},{ 0, 1},{ 1,-1},{ 2,-2}},
-	},--5I
+		[03]={{-1,-1},{-1, 0},{-1, 1},{-0, 1},{ 1, 1},{ 1, 0},{ 1,-1},{-0,-1},{-0,-2},{ 2,-1},{ 2,-2},{-2, 0},{-2,-1},{-2,-2},{-1, 2},{-2, 2},{ 1, 2},{ 2, 2}},
+		[30]={{ 1, 0},{ 1,-1},{-0,-1},{-1,-1},{ 2,-2},{ 2,-1},{ 2, 0},{ 1,-2},{-0,-2},{-1,-2},{-2,-2},{ 1, 1},{ 2, 1},{ 2, 2},{-1, 0},{-2, 0},{-2,-1},{ 0, 1},{-1,-1},{-2,-2}},
+	},--I5
 }
-TRS[25][03]=flipList(TRS[25][01])
-TRS[25][30]=flipList(TRS[25][10])
-sym(TRS[8])sym(TRS[9])sym(TRS[25])
 reflect(TRS[1],TRS[2])--SZ
 reflect(TRS[3],TRS[4])--LJ
-reflect(TRS[8],TRS[9])--5S5Z
+reflect(TRS[8],TRS[9])--S5Z5
 reflect(TRS[10],TRS[11])--PQ
 reflect(TRS[12],TRS[13])--FE
-reflect(TRS[19],TRS[20])--5L5J
+reflect(TRS[19],TRS[20])--L5J5
 reflect(TRS[21],TRS[22])--RY
 reflect(TRS[23],TRS[24])--HN
-for i=1,25 do collect(TRS[i])end
 pushZero(TRS)
 
+C_sym(TRS[8])
+C_sym(TRS[9])
+C_sym(TRS[25])
+for i=1,25 do collect(TRS[i])end
+
 local AIRS={
 	{
 		[01]={{-1,0},{-1, 1},{ 0,-2},{-1,-2}},
@@ -332,8 +333,8 @@ local AIRS={
 	false,
 	false,
 	false,
-	function()end,
 	false,
+	function()end,
 	{
 		[01]={{-2, 0},{ 1, 0},{-2,-1},{ 1, 2}},
 		[10]={{ 2, 0},{-1, 0},{ 2, 1},{-1,-2}},
@@ -346,9 +347,9 @@ local AIRS={
 	}
 }
 collect(AIRS[1])collect(AIRS[7])
+pushZero(AIRS)
 for i=2,5 do AIRS[i]=AIRS[1]end
 for i=8,25 do AIRS[i]=AIRS[1]end
-pushZero(AIRS)
 
 local NONE={}
 for i=1,25 do NONE[i]=ZERO end
diff --git a/parts/languages.lua b/parts/languages.lua
index 30fc7575..ae38085e 100644
--- a/parts/languages.lua
+++ b/parts/languages.lua
@@ -1,7 +1,7 @@
 local langList={
 	{
 		anykey="按任意键继续",
-		newVersion="检测到更新!存档格式可能更新",
+		newVersion="检测到更新!存档格式可能更新,设置已重置",
 		marking="游戏作者:MrZ_26\n出现此水印则为非法录屏上传",
 		lang="中文",
 		atkModeName={"随机","徽章","击杀","反击"},
@@ -413,7 +413,7 @@ local langList={
 	},
 	{
 		anykey="按任意键继续",
-		newVersion="检测到更新!存档格式可能更新",
+		newVersion="检测到更新!存档格式可能更新,设置已重置",
 		marking="游戏作者:MrZ_26\n出现此水印则为非法录屏上传",
 		lang="全中文",
 		atkModeName={"随机","徽章","击杀","反击"},
@@ -823,7 +823,7 @@ local langList={
 	},
 	{
 		anykey="Press any button",
-		newVersion="Updating detected! Save format may have been updated.",
+		newVersion="Updating detected! Save format may have been updated, settings reseted",
 		marking="Author:MrZ_26\nIllegal recording if u see this",
 		lang="English",
 		atkModeName={"Random","Badges","K.O.s","Attackers"},
@@ -1222,7 +1222,7 @@ local langList={
 	},
 	{
 		anykey="↓□↓",
-		newVersion="!!!!!!!!!!!!!!!!!!!",
+		newVersion="&!!! ___/_?_ R",
 		marking="Author:MrZ_26\nIllegal recording if u see this",
 		lang="?????",
 		atkModeName={"?","(  )","!","←→"},
diff --git a/updateLog.lua b/updateLog.lua
index 8e0a580d..35b05f77 100644
--- a/updateLog.lua
+++ b/updateLog.lua
@@ -78,8 +78,11 @@ Future outlook:
 			field flip(LR/UD)
 			no fail(∞ lives)
 		简易防沉迷系统
+		better drop FX
+		60+ fps supporting
 		in-game document
 		lang setting page
+		dragging control
 		warning FX(Graphic)
 		game recording
 		new widgets (joystick etc.)
@@ -93,6 +96,7 @@ Future outlook:
 0.8.22: Details Updated
 	changed:
 		won't show "open saving folder" button on mobile devices
+		reset all settings
 
 0.8.21: Bug Fixed
 	changed: