message: docs(changelog): 2.4.2-beta.0
diff: # Changelog
  +### [v2.4.2-beta.0](https://github.com/youzan/vant/compare/v2.4.1...v2.4.2-beta.0)
  +`2020-01-06`
  +
  +**Feature**
  +
  +* Image: add error-icon prop [#5470](https://github.com/youzan/vant/issues/5470)
  +* Image: add loading-icon prop [#5469](https://github.com/youzan/vant/issues/5469)
  +* AddressEdit: show error message in field [#5479](https://github.com/youzan/vant/issues/5479)
  +
  +**Bug Fixes**
  +
  +* Card: thumb image border-radius become effective [#5480](https://github.com/youzan/vant/issues/5480)
  +
  +
  ### [v2.4.1](https://github.com/youzan/vant/compare/v2.4.0...v2.4.1)
  `2020-01-02`
  