return this.$route.path.replace('/','');

src/views/layout/slidebar.vue

@@ -131,7 +131,8 @@ export default {
     },
     computed: {
         onRoutes() {
-            return this.$route.path;
+//            return this.$route.path;
+          return this.$route.path.replace('/','');
         }
     },
     created() {