update en/application-dev/reference/arkui-ts/ts-components-canvas-imagedata.md.

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

en/application-dev/reference/arkui-ts/ts-components-canvas-imagedata.md

 # ImageData
 
 
-> ![icon-note.gif](public_sys-resources/icon-note.gif) **NOTE**
+> **NOTE**<br>
 > This component is supported since API version 8. Updates will be marked with a superscript to indicate their earliest API version.
 
 
@@ -10,7 +10,7 @@
 
 ## Attributes
 
-  | Name | Type | Description | 
+| Name | Type | Description |
 | -------- | -------- | -------- |
 | width | number | Actual width of the rectangle on the canvas, in pixels. |
 | height | number | Actual height of the rectangle on the canvas, in pixels. |