diff --git a/parts/language/dict_en.lua b/parts/language/dict_en.lua
index ab6f1772..95b3cda6 100644
--- a/parts/language/dict_en.lua
+++ b/parts/language/dict_en.lua
@@ -1266,12 +1266,12 @@ return{
         "(Zǐ Xīn Koishi)\n\nTetris Research community member, Virtual content creator.\nA top Tetris 99 players known for his strategies.",
         "https://space.bilibili.com/147529",
     },
-	{"ditoly",
-		"ditoly icrem kuimei jk",
-		"name",
-		"Tetris Research community member. The developer of Nanamino.",
-		"https://space.bilibili.com/13014410",
-	},
+    {"ditoly",
+        "ditoly icrem kuimei jk",
+        "name",
+        "Tetris Research community member. The developer of Nanamino.",
+        "https://space.bilibili.com/13014410",
+    },
     {"蓝绿",
         "lanlv lanlyu gompyn imple lee blari'o blariho",
         "name",
diff --git a/parts/language/lang_en.lua b/parts/language/lang_en.lua
index 358aa6f9..f03455b3 100644
--- a/parts/language/lang_en.lua
+++ b/parts/language/lang_en.lua
@@ -757,7 +757,7 @@ return{
         ['ultra']=         {'Ultra',             "EXTRA",      "A 2-minute score attack"},
         ['infinite']=      {'infinite',           "",          "Just a sandbox"},
         ['infinite_dig']=  {"Infinite: Dig",      "",          "Dig-diggin'-dug"},
-		['marathon_inf']=  {"Marathon",           "INFINITE",  "Infinite marathon."},
+        ['marathon_inf']=  {"Marathon",           "INFINITE",  "Infinite marathon."},
 
         ['custom_clear']=  {"Custom",            "NORMAL"},
         ['custom_puzzle']= {"Custom",            "PUZZLE"},
diff --git a/parts/language/lang_es.lua b/parts/language/lang_es.lua
index e9b8d457..c6bd3589 100644
--- a/parts/language/lang_es.lua
+++ b/parts/language/lang_es.lua
@@ -715,7 +715,7 @@ return{
         ['ultra']=          {'Ultra',                   "Extra",         "¡Consigue el mayor puntaje posible en 2 minutos!"},
         ['infinite']=       {"Infinito",                 "",             "Modo Sandbox."},
         ['infinite_dig']=   {"Infinito: Queso",          "",             "Limpia, limpia, más limpia que tú."},
-		['marathon_inf']=   {"Maratón",                  "Infinito",     "Infinito maratón."},
+        ['marathon_inf']=   {"Maratón",                  "Infinito",     "Infinito maratón."},
 
         ['custom_clear']=   {"Personalizado",           "Normal"},
         ['custom_puzzle']=  {"Personalizado",           "Puzzle"},
diff --git a/parts/language/lang_fr.lua b/parts/language/lang_fr.lua
index bd6cb776..020cbdef 100644
--- a/parts/language/lang_fr.lua
+++ b/parts/language/lang_fr.lua
@@ -717,7 +717,7 @@ return{
         ['ultra']=         {'Ultra',         "EXTRA",        "2 minutes pour avoir le meilleur score."},
         ['infinite']=      {"Infini",        "",             "Mode tranquile."},
         ['infinite_dig']=  {"Infini : Dig",  "",             "Creuser, creuser, creuser."},
-		['marathon_inf']=  {"Marathon",      "Infini",       "Infini marathon."},
+        ['marathon_inf']=  {"Marathon",      "Infini",       "Infini marathon."},
 
         ['custom_clear']=  {"Perso.",        "NORMAL"},
         ['custom_puzzle']= {"Perso.",        "PUZZLE"},
diff --git a/parts/language/lang_pt.lua b/parts/language/lang_pt.lua
index 54d86a32..5be71dbf 100644
--- a/parts/language/lang_pt.lua
+++ b/parts/language/lang_pt.lua
@@ -747,7 +747,7 @@ return{
         ['ultra']=              {'Ultra',            "EXTRA",        "Pegue a maior pontuação em 2 minutos."},
         ['infinite']=           {"Infinito",          "",            "Modo Sandbox."},
         ['infinite_dig']=       {"Infinito:Cave",     "",            "Cava, Cava, Cava."},
-		['marathon_inf']=       {"Maratona",          "Infinito",    "Infinito maratona."},
+        ['marathon_inf']=       {"Maratona",          "Infinito",    "Infinito maratona."},
 
         ['custom_clear']=       {"Custom",           "NORMAL"},
         ['custom_puzzle']=      {"Custom",           "PUZZLE"},
diff --git a/parts/language/lang_yygq.lua b/parts/language/lang_yygq.lua
index 30945da3..5f37f667 100644
--- a/parts/language/lang_yygq.lua
+++ b/parts/language/lang_yygq.lua
@@ -286,7 +286,7 @@ return{fallback='zh',
         ['ultra']=          {"限时打分",      "挑战",      "2分钟刷分"},
         ['infinite']=       {"无尽",         "",         "真的有人会玩这个?"},
         ['infinite_dig']=   {"无尽:挖掘",      "",        "闲得慌就来挖"},
-		['marathon_inf']=   {"马拉松",        "无尽",      "无尽马拉松"},
+        ['marathon_inf']=   {"马拉松",        "无尽",      "无尽马拉松"},
 
         ['custom_clear']=   {"自定义",       "普通"},
         ['custom_puzzle']=  {"自定义",       "拼图"},
diff --git a/parts/language/lang_zh.lua b/parts/language/lang_zh.lua
index 1e921b3d..bb2076f5 100644
--- a/parts/language/lang_zh.lua
+++ b/parts/language/lang_zh.lua
@@ -761,7 +761,7 @@ return{
         ['ultra']=          {"限时打分",     "挑战",       "在两分钟内尽可能拿到最多的分数"},
         ['infinite']=       {"无尽",         "",        "沙盒"},
         ['infinite_dig']=   {"无尽:挖掘",     "",        "挖呀挖呀挖"},
-		['marathon_inf']=   {"马拉松",       "无尽",      "无尽马拉松"},
+        ['marathon_inf']=   {"马拉松",       "无尽",      "无尽马拉松"},
 
         ['custom_clear']=   {"自定义",       "普通"},
         ['custom_puzzle']=  {"自定义",       "拼图"},
@@ -783,8 +783,8 @@ return{
         "《游戏的意义》",
         "《知识的力量》",
         "《主题曲进化史》",
-        "∫u dv=uv-∫v du",
         "↑↑↓↓←→←→BA",
+        "∫u dv=uv-∫v du",
         "$include<studio.h>",
         "0next 0hold.",
         "11renPC！",
@@ -1068,7 +1068,7 @@ return{
         "Staff名单里飘过的是赞助榜单，喜欢本游戏的话可以给我们打赞助支持开发哦~",
         "STSD必死",
         "sudo rm -rf /*",
-        "Techmino = Technique + tetromino",
+        "Techmino = Technique + Tetromino",
         "Techmino 好玩！",
         "Techmino 濂界帺锛",
         "Techmino 英['tɛkmɪnəʊ] 美/'tekmɪnoʊ/ n.铁壳米诺(游戏名)",
@@ -1076,7 +1076,7 @@ return{
         "Techmino安卓下载",
         "Techmino不是工业产品也不是练手程序，是游戏作品(至少目前是，嗯……)",
         "Techmino好玩！",
-        "Techmino没有抽卡没有氪金没有逼肝，良不良心~",
+        "Techmino没有氪金没有逼肝，良不良心~",
         "Techmino生日不太清楚，那就定在2019.6.26吧",
         "Techmino也有节日主题了哦",
         "Techmino有一个Nspire-CX版本！",
diff --git a/parts/language/lang_zh_full.lua b/parts/language/lang_zh_full.lua
index e00d49d9..0d8fa57d 100644
--- a/parts/language/lang_zh_full.lua
+++ b/parts/language/lang_zh_full.lua
@@ -175,7 +175,7 @@ return{
         ['ultra']=          {"限时打分",     "挑战",      "在两分钟内尽可能拿到最多的分数"},
         ['infinite']=       {"无尽",        "",         "沙盒"},
         ['infinite_dig']=   {"无尽:挖掘",    "",         "挖呀挖呀挖"},
-		['marathon_inf']=   {"马拉松",      "无尽",       "无尽马拉松"},
+        ['marathon_inf']=   {"马拉松",      "无尽",       "无尽马拉松"},
 
         ['custom_clear']=   {"自定义",       "普通"},
         ['custom_puzzle']=  {"自定义",       "拼图"},
diff --git a/parts/language/lang_zh_grass.lua b/parts/language/lang_zh_grass.lua
index e96e2088..6190ce0a 100644
--- a/parts/language/lang_zh_grass.lua
+++ b/parts/language/lang_zh_grass.lua
@@ -758,7 +758,7 @@ return{
         ['ultra']=         {"Ultra",          "额外",         "2分钟的得分进攻"},
         ['infinite']=      {"无限",             "",           "这只是一个沙箱"},
         ['infinite_dig']=  {"无限:挖掘",         "",           "挖，挖，挖"},
-		['marathon_inf']=  {"马拉松",           "无尽",         "无尽马拉松"},
+        ['marathon_inf']=  {"马拉松",           "无尽",         "无尽马拉松"},
 
         ['custom_clear']=  {"习俗",            "正常"} ,
         ['custom_puzzle']= {"习俗",            "令人费解的"},
diff --git a/parts/language/lang_zh_trad.lua b/parts/language/lang_zh_trad.lua
index 0fd52c6e..fef41fda 100644
--- a/parts/language/lang_zh_trad.lua
+++ b/parts/language/lang_zh_trad.lua
@@ -761,7 +761,7 @@ return{
         ['ultra']=          {"限時打分",     "挑戰",       "在兩分鐘內盡可能拿到最多的分數"},
         ['infinite']=       {"無盡",         "",        "沙盒"},
         ['infinite_dig']=   {"無盡:挖掘",     "",        "挖呀挖呀挖"},
-		['marathon_inf']=   {"馬拉松",       "無盡",      "無盡馬拉松"},
+        ['marathon_inf']=   {"馬拉松",       "無盡",      "無盡馬拉松"},
 
         ['custom_clear']=   {"自定義",       "普通"},
         ['custom_puzzle']=  {"自定義",       "拼圖"},
diff --git a/parts/modes.lua b/parts/modes.lua
index 4608b611..89a7ceee 100644
--- a/parts/modes.lua
+++ b/parts/modes.lua
@@ -119,5 +119,5 @@ return{
     {name='ultra',         x=-1200,     y=-600,     size=40,shape=1,icon="ultra"},
     {name='infinite',      x=-1200,     y=-400,     size=40,shape=1,icon='infinite'},
     {name='infinite_dig',  x=-1000,     y=-400,     size=40,shape=1,icon="dig"},
-	{name='marathon_inf',  x=-800,      y=-400,     size=40,shape=1,icon="marathon"}
+    {name='marathon_inf',  x=-800,      y=-400,     size=40,shape=1,icon="marathon"}
 }
diff --git a/parts/scenes/app_dropper.lua b/parts/scenes/app_dropper.lua
index 19b784c3..d0c4b7c1 100644
--- a/parts/scenes/app_dropper.lua
+++ b/parts/scenes/app_dropper.lua
@@ -51,7 +51,7 @@ function scene.keyDown(key,isRep)
                     move.x=move.x-10
                 end
             end
-            SFX.play('swipe')
+            SFX.play('hold')
             state='drop'
         elseif state=='dead'then
             move.x,move.y,move.l=1e99,0,0
diff --git a/parts/scenes/app_pong.lua b/parts/scenes/app_pong.lua
index 14d96696..615b72cb 100644
--- a/parts/scenes/app_pong.lua
+++ b/parts/scenes/app_pong.lua
@@ -138,7 +138,7 @@ function scene.update()
         if bx<-120 or bx>1400 or by<-40 or by>760 then
             P=bx>640 and p1 or p2
             P.score=P.score+1
-            TEXT.show("+1",bx>1400 and 470 or 810,226,50,'score')
+            TEXT.show("+1",P==p1 and 470 or 810,226,50,'score')
             SFX.play('reach')
 
             state=0