整理代码，只在代码中使用的字符串由双引号改为单引号

Zframework/loadLib.lua

@@ -1,21 +1,21 @@
 return function(name,libName)
-	if SYSTEM=="Windows"or SYSTEM=="Linux"then
+	if SYSTEM=='Windows'or SYSTEM=='Linux'then
 		local r1,r2,r3=pcall(require,libName[SYSTEM])
 		if r1 and r2 then
 			return r2
 		else
 			MES.new('error',"Cannot load "..name..": "..(r2 or r3))
 		end
-	elseif SYSTEM=="Android"then
+	elseif SYSTEM=='Android'then
 		local fs=love.filesystem
 		local platform={'arm64-v8a','armeabi-v7a'}
 
 		for i=1,#platform do
-			local soFile,_,_,mes1=fs.read('data',"libAndroid/"..platform[i].."/"..libName.Android)
+			local soFile,_,_,mes1=fs.read('data','libAndroid/'..platform[i]..'/'..libName.Android)
 			if soFile then
-				local success,mes2=fs.write("lib/"..libName.Android,soFile)
+				local success,mes2=fs.write('lib/'..libName.Android,soFile)
 				if success then
-					libFunc,mes2=package.loadlib(SAVEDIR.."/lib/"..libName.Android,libName.libFunc)
+					libFunc,mes2=package.loadlib(SAVEDIR..'/lib/'..libName.Android,libName.libFunc)
 					if libFunc then
 						MES.new('check',name.." lib loaded")
 						break