主菜单退出按钮改成返回按钮

parts/scenes/intro.lua

@@ -22,6 +22,8 @@ function scene.mouseDown(_,_,k)
 		else
 			SCN.go(SETTING.simpMode and"main_simple"or"main")
 		end
+	else
+		SCN.swapTo("quit","slowFade")
 	end
 end
 function scene.touchDown()
@@ -30,7 +32,7 @@ end
 function scene.keyDown(key)
 	if key=="escape"then
 		VOC.play("bye")
-		SCN.back()
+		SCN.swapTo("quit","slowFade")
 	else
 		scene.mouseDown()
 	end

parts/scenes/main.lua

@@ -193,7 +193,7 @@ scene.widgetList={
 		{"doArc",53,31,40,2.3,3.9},
 		}},
 	WIDGET.newButton{name="about",	x=-110,y=670,w=600,h=70,	color="lB",font=35,align="R",edge=30,code=pressKey"x"},
-	WIDGET.newButton{name="quit",	x=1390,y=670,w=600,h=70,	color="lR",font=40,align="L",edge=30,code=function()VOC.play("bye")SCN.swapTo("quit","slowFade")end},
+	WIDGET.newButton{name="back",	x=1390,y=670,w=600,h=70,	color="lR",font=40,align="L",edge=30,code=backScene},
 }
 
 return scene