fix: 🐛 补充 basePath 父级路径

Former-commit-id: cce921b52b3f93fb9be8d9619c788a5b1b585fe9

src/layout/components/Sidebar/SidebarItem.vue

@@ -54,6 +54,7 @@ function hasOneShowingChild(children = [], parent: any) {
   // 2：如果无子路由, 复制当前路由信息作为其子路由，满足只拥有一个子路由的条件，所以返回 true
   if (showingChildren.length === 0) {
     onlyOneChild.value = { ...parent, path: "", noShowingChildren: true };
+
     return true;
   }
   return false;
@@ -71,6 +72,7 @@ function resolvePath(routePath: string) {
   if (isExternal(props.basePath)) {
     return props.basePath;
   }
+
   // 完整路径 = 父级路径(/level/level_3) + 路由路径
   const fullPath = path.resolve(props.basePath, routePath); // 相对路径 → 绝对路径
   return fullPath;