bug修复

src/App.vue

 <template>
 	<div id="app"  @touchstart="startEvent" @touchend="endEvent">
 		<transition name="fade">
-			<router-view />
+			<router-view/>
 		</transition>
 		<btn-music :bgLoop="bgLoop"></btn-music>
 		<!-- <sidebar style="position: absolute;top: 20vw;left: 10vw;"></sidebar> -->
 		height: 100%;
 		text-align: center;
 	}
-
 	.middleContainer {
 		position: absolute;
 		width: 100%;

src/utils/common.js

     });
     all.addEventListener("touchmove",function () {
         let scrollTop = document.documentElement.scrollTop || window.pageYOffset || document.body.scrollTop;
-        if(scrollTop==0 && event.touches[0].clientY>startSite && !that.$store.state.menuState){
+
+        if(scrollTop==0 && event.touches[0].clientY>startSite && !that.$store.state.menuState || all.scrollHeight-all.clientHeight==Math.ceil(scrollTop) && startSite>event.touches[0].clientY && !that.$store.state.menuState){
             event.preventDefault();
         }
     },false);