根据上级获得指定分类

{
	"code": 0,
	"msg": "ok",
	"data": {
		"category_tree": [
			{
				"category_id": 17,
				"category_name": "内衬",
				"parent_id": 1,
				"category_pic": "",
				"children": [
					{
						"category_id": 22,
						"category_name": "T恤",
						"parent_id": 17,
						"category_pic": "img/gallery/demo/1680081548dyg4S6CsdAZuIFW8eg!!pic.jpeg"
					}
				]
			}
		],
		"errcode": 0,
		"message": ""
	}
}