ok

pages/bigScreen/index.vue

@@ -46,6 +46,7 @@ export default {
     QualityProblem,
     Multiple,
   },
+  layout:'empty',
   data() {
     return {};
   },

pages/welcome/index.vue

@@ -6,6 +6,7 @@
         v-for="(item, indx) in menus"
         :key="indx"
         @mouseenter="navClick(item, indx)"
+        @click="clickLi(item,indx)"
       >
         <Icon :type="item.icons" class="f16" />{{ item.name }}
       </li>
@@ -40,7 +41,8 @@
         :title="line.start.join() + ':' + line.end.join()"
      
       >
-        <div class="lineMarker pa"></div>
+        <div class="lineMarker a1 pa"></div>
+         <div class="lineMarker a2 pa"></div>
       </div>
     </div>
   </div>
@@ -181,7 +183,7 @@ export default {
       // }
     },
     clickLi(v) {
-      if (v) {
+      if (v&&!v.children) {
         this.$router.push(v.url);
       }
       this.menu = false;
@@ -288,19 +290,28 @@ export default {
         left: 0;
         top: 0;
         transform: rotate(50deg) translateY(-4px);        
-        animation: myfirst 1s infinite;
         background: url("../../assets/images/home/router/linemarker.png")
           no-repeat;
       }
+      .a1{
+        animation: myfirst 3s infinite linear;
+      }
+      .a2{
+        animation: myfirst 3s infinite linear;
+        animation-delay:1.5s;
+      }
+      .a3{
+        animation: myfirst 3s infinite linear;
+        animation-delay:1s;
+      }
       @keyframes myfirst {
         from {
-          left: 0%;
+          left: -7px;
         }
         to {
-          left: 85%;
+          left: calc(100% - 7px);
         }
       }
-      // }
     }
     .line:hover{
       border: 1px dotted red;