整理代码习惯，常量字符串改用单引号，可能有遗漏

parts/modes/solo_n.lua

@@ -4,18 +4,18 @@ return{
 		life=2,
 		drop=60,lock=60,
 		freshLimit=15,
-		bg="bg2",bgm="race",
+		bg='bg2',bgm='race',
 	},
 	pauseLimit=true,
 	load=function()
 		PLY.newPlayer(1)
-		PLY.newAIPlayer(2,AIBUILDER("9S",5))
+		PLY.newAIPlayer(2,AIBUILDER('9S',5))
 	end,
 	score=function(P)return{P.stat.time}end,
 	scoreDisp=function(D)return STRING.time(D[1])end,
 	comp=function(a,b)return a[1]<b[1]end,
 	getRank=function(P)
-		if P.result=="WIN"then
+		if P.result=='win'then
 			local T=P.stat.time
 			return
 			T<=50 and 5 or