message: docs(changelog): 3.4.7
diff: @@ -19,6 +19,28 @@ Vant follows [Semantic Versioning 2.0.0](https://semver.org/lang/zh-CN/).
  ## Details
  +### [v3.4.7](https://github.com/youzan/vant/compare/v3.4.6...v3.4.7)
  +
  +`2022-03-29`
  +
  +**Feature**
  +
  +- @vant/area-data: update counties of NanJing [#10410](https://github.com/youzan/vant/issues/10410)
  +- CouponList: update empty image [#10436](https://github.com/youzan/vant/issues/10436)
  +- Locale: add Icelandic lang [#10418](https://github.com/youzan/vant/issues/10418)
  +- Locale: add Lao lang [#10388](https://github.com/youzan/vant/issues/10388)
  +- Locale: add Swedish lang [#10419](https://github.com/youzan/vant/issues/10419)
  +- NumberKeyboard: improve shuffle algorithm [#10428](https://github.com/youzan/vant/issues/10428)
  +- Uploader: support set the preview size separately [#10438](https://github.com/youzan/vant/issues/10438)
  +
  +**Bug Fixes**
  +
  +- Calendar: scrollToDate method is invalid [#10432](https://github.com/youzan/vant/issues/10432)
  +- DatetimePicker: fix minDate && maxDate wacher [#10431](https://github.com/youzan/vant/issues/10431)
  +- IndexBar: allow active bottom anchor [#10404](https://github.com/youzan/vant/issues/10404)
  +- Tab: add key when render TabsTitle [#10392](https://github.com/youzan/vant/issues/10392)
  +- fix wrong ternary expression [#10426](https://github.com/youzan/vant/issues/10426)
  +
  ### [v3.4.6](https://github.com/youzan/vant/compare/v3.4.5...v3.4.6)
  `2022-03-13`
  