message: [changelog] 0.10.9
diff: ## Changelog
  +### [0.10.9](https://github.com/youzan/vant/tree/v0.10.9)
  +`2017-11-15`
  +
  +**Improvements**
  +
  +- Icon: add new icons [\#315](https://github.com/youzan/vant/pull/315) ([cookfront](https://github.com/cookfront))
  +
  +**Bug Fixes**
  +
  +- Search: fix box-sizing wrong [\#312](https://github.com/youzan/vant/pull/312) ([chenjiahan](https://github.com/chenjiahan))
  +
  ### [0.10.8](https://github.com/youzan/vant/tree/v0.10.8)
  `2017-11-11`
  