update zh-cn/application-dev/ui/ui-js-components-slider.md.

Signed-off-by: NLiAn <lian15@huawei.com>

zh-cn/application-dev/ui/ui-js-components-slider.md

@@ -217,4 +217,6 @@ export default{
 
 针对Slider开发，有以下相关实例可供参考：
 
-- [`Slider`：滑动条（JS）（API7）](https://gitee.com/openharmony/app_samples/blob/master/UI/Slider)
+- [`Slider`：滑动条（JS）（API7）](https://gitee.com/openharmony/app_samples/tree/master/UI/Slider)
\ No newline at end of file
+
+- [slider（JS）](https://gitee.com/openharmony/codelabs/tree/master/JSUI/SliderApplication)
\ No newline at end of file