整理代码习惯，常量字符串改用单引号，可能有遗漏

Zframework/languages.lua

@@ -2,9 +2,9 @@ local LANG={}
 function LANG.init(langList,publicText)--Attention, calling this will destory all initializing methods, create a LANG.set()!
 	local function langFallback(T0,T)
 		for k,v in next,T0 do
-			if type(v)=="table"and not v.refuseCopy then--refuseCopy: just copy pointer, not contents
+			if type(v)=='table'and not v.refuseCopy then--refuseCopy: just copy pointer, not contents
 				if not T[k]then T[k]={}end
-				if type(T[k])=="table"then langFallback(v,T[k])end
+				if type(T[k])=='table'then langFallback(v,T[k])end
 			elseif not T[k]then
 				T[k]=v
 			end
@@ -26,7 +26,7 @@ function LANG.init(langList,publicText)--Attention, calling this will destory al
 		end
 
 		--Metatable:__call for table:getTip
-		if type(rawget(L,"getTip"))=="table"then
+		if type(rawget(L,"getTip"))=='table'then
 			setmetatable(L.getTip,tipMeta)
 		end