修改

src/layout/index.vue

@@ -35,6 +35,7 @@ export default {
     },
     classObj() {
       return {
+        noSideBar: this.$route.name === '业务线选择',
         hideSidebar: !this.sidebar.opened,
         openSidebar: this.sidebar.opened,
         withoutAnimation: this.sidebar.withoutAnimation,