fix: 修复混合模式导航下调用`initRouter`函数导致左侧导航内存溢出问题

src/layout/components/sidebar/vertical.vue

@@ -32,6 +32,7 @@ const loading = computed(() =>
 );
 
 function getSubMenuData(path: string) {
+  subMenuData.value = [];
   // path的上级路由组成的数组
   const parentPathArr = getParentPaths(
     path,