city.id,city.ts,city.title
1,"2018-02-14 16:23:55",北京
2,"2018-02-18 02:50:06",上海
3,"2018-02-21 02:12:22",深圳
4,"2018-02-24 00:23:16",广州
5,"2018-02-26 06:51:27",杭州
6,"2018-02-09 04:10:26",成都
7,"2018-02-09 04:10:30",武汉
8,"2018-02-09 04:10:32",西安
9,"2018-02-09 04:10:35",南京
10,"2018-02-09 04:10:39",郑州
11,"2018-02-09 04:10:39",苏州
12,"2018-02-09 04:10:44",合肥