message: [changelog] 0.12.2
diff: ## Changelog
  +### [0.12.2](https://github.com/youzan/vant/tree/v0.12.2)
  +
  +`2018-01-08`
  +
  +**Bug Fixes**
  +
  +* Swipe: use translate2d to aviod iOS11 crash bug [\#518](https://github.com/youzan/vant/pull/518) [@chenjiahan](https://github.com/chenjiahan)
  +* Picker: should not emit change event after init [\#517](https://github.com/youzan/vant/pull/517) [@chenjiahan](https://github.com/chenjiahan)
  +* NoticeBar: should reinitialize when text changed [\#515](https://github.com/youzan/vant/pull/515) [@xliez](https://github.com/xliez)
  +* AddressEdit: fix search result style error [\#514](https://github.com/youzan/vant/pull/514) [@chenjiahan](https://github.com/chenjiahan)
  +
  ### [0.12.1](https://github.com/youzan/vant/tree/v0.12.1)
  `2018-01-05`
  