category_1.id,category_1.ts,category_1.title
1,"2018-09-03 22:41:42",酒类
2,"2018-09-03 22:41:42",糖与巧克力类
3,"2018-09-03 22:41:42",饮料类
4,"2018-09-03 22:41:42",烟类
5,"2018-09-03 22:41:42",茶类
6,"2018-09-03 22:41:42",乳制品
7,"2018-09-03 22:41:42",肉制品
8,"2018-09-03 22:41:42",冷冻食品
9,"2018-09-03 22:41:42",食品类
10,"2018-09-03 22:41:42",原料类
11,"2018-09-03 22:41:43",配料类
12,"2018-09-03 22:41:43",设备类
13,"2018-09-03 22:41:43",包装类
14,"2018-09-03 22:41:43",其他