不使用内嵌404页面

src/assets/scss/smp.scss

@@ -1714,7 +1714,7 @@ html,body{
   width:100%;
   height: 100%;
   font-size:40px;
-  background-image: url('~@/assets/img/common/nopage-bg.png');
+  // background-image: url('~@/assets/img/common/nopage-bg.png');
   background-repeat: no-repeat;
   background-position: center center;
   background-size: 500px 500px;