message: [changelog] 1.6.18
diff: ## Changelog
  +## [v1.6.18](https://github.com/youzan/vant/tree/v1.6.18)
  +`2019-05-10`
  +
  +**Bug Fixes**
  +
  +- remote some outdated css in AddressEdit
  +- fix Radio click event not bubble
  +- fix Checkbox click event not bubble
  +- fix PullRefresh transform style [\#3258](https://github.com/youzan/vant/pull/3258)
  +- fix Progress incorrect width when update pivoit-text
  +- fix Swipe map cause warning when prevent touchmove event
  +
  +
  ## [1.6.17](https://github.com/youzan/vant/tree/v1.6.17)
  `2019-05-05`
  