微调开房参数ui，修复esc键不能正确返回的bug

parts/scenes/net_newRoom.lua

@@ -46,7 +46,7 @@ function scene.keyDown(k)
 	if k=="return"then
 		createRoom()
 	elseif k=="escape"then
-		SCN.go('net_rooms')
+		SCN.back()
 	else
 		WIDGET.keyPressed(k)
 	end
@@ -89,7 +89,7 @@ scene.widgetList={
 				WIDGET.active.capacity.color=COLOR.R
 			end
 		end},
-	WIDGET.newButton{name="create",		x=1070,y=480,w=310,h=140,color='lY',font=40,code=pressKey"return"},
+	WIDGET.newButton{name="create",		x=1070,y=480,w=310,h=140,color='lN',font=40,code=pressKey"return"},
 	WIDGET.newButton{name="back",		x=1140,y=640,w=170,h=80,fText=TEXTURE.back,code=backScene},
 
 	--Special rules