category_2.id,category_2.ts,category_2.title,category_2.category_1,category_1.id,category_1.ts,category_1.title
101,"2018-06-14 01:59:39",家具排行榜,建材排行榜,12,"2018-06-14 01:58:31",建材排行榜
102,"2018-06-14 01:59:39",硅藻泥排行榜,建材排行榜,12,"2018-06-14 01:58:31",建材排行榜