整理代码习惯，常量字符串改用单引号，可能有遗漏

parts/scenes/net_menu.lua

@@ -18,8 +18,8 @@ scene.widgetList={
 	WIDGET.newKey{name="setting",fText=TEXTURE.setting,x=1200,y=160,w=90,h=90,code=goScene"setting_game"},
 	WIDGET.newButton{name="ffa",	x=640,	y=200,w=350,h=120,font=40,code=function()NET.enterRoom("ffa")end},
 	WIDGET.newButton{name="rooms",	x=640,	y=360,w=350,h=120,font=40,code=goScene"net_rooms"},
-	WIDGET.newButton{name="chat",	x=640,	y=540,w=350,h=120,color="D",font=40,code=NULL},
-	WIDGET.newButton{name="logout",	x=880,	y=40,w=180,h=60,color="dR",
+	WIDGET.newButton{name="chat",	x=640,	y=540,w=350,h=120,color='D',font=40,code=NULL},
+	WIDGET.newButton{name="logout",	x=880,	y=40,w=180,h=60,color='dR',
 		code=function()
 			if TIME()-lastLogoutTime<1 then
 				if USER.uid then
@@ -28,7 +28,7 @@ scene.widgetList={
 					USER.uid=false
 					USER.username=false
 					USER.authToken=false
-					FILE.save(USER,"conf/user","q")
+					FILE.save(USER,"conf/user",'q')
 					SCN.back()
 				end
 			else