message: [changelog] 1.6.1
diff: ## Changelog
  +## [v1.6.1](https://github.com/youzan/vant/tree/v1.6.1)
  +`2019-02-05`
  +
  +**Improvements**
  +
  +- fix functional component can not inherit directives and native events. [\#2686](https://github.com/youzan/vant/pull/2686)
  +
  +
  ## [v1.6.0](https://github.com/youzan/vant/tree/v1.6.0)
  `2019-02-04`
  