update en/application-dev/reference/arkui-ts/ts-basic-components-slider.md.

Signed-off-by: Nking_he <6384784@qq.com>

en/application-dev/reference/arkui-ts/ts-basic-components-slider.md

 # Slider
 
 
-> ![icon-note.gif](public_sys-resources/icon-note.gif) **NOTE**
+> **NOTE**<br>
 > This component is supported since API version 7. Updates will be marked with a superscript to indicate their earliest API version.
 
 
@@ -45,7 +45,7 @@ Slider(value:{value?: number, min?: number, max?: number, step?: number, style?:
 Touch target configuration is not supported.
 
 | Name          | Type    | Default Value | Description                                                          |
-| ------------- | ------- | ------------- | ---------------------------------------- |
+| ------------- | ------- | ------------- | -------------------------------------------------------------------- |
 | blockColor    | Color   | -             | Color of the slider.                                                 |
 | trackColor    | Color   | -             | Background color of the slider.                                      |
 | selectedColor | Color   | -             | Color of the slider rail that has been slid.                         |