update docs

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

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

@@ -23,23 +23,23 @@ None
 Canvas(context: CanvasRenderingContext2D)
 
 - Parameters
-    | Name | Type | Mandatory | Default Value | Description |
-  | -------- | -------- | -------- | -------- | -------- |
-  | context | [CanvasRenderingContext2D](ts-canvasrenderingcontext2d.md) | Yes | - | For details, see CanvasRenderingContext2D. |
+    | Name    | Type                                     | Mandatory | Default Value | Description                              |
+    | ------- | ---------------------------------------- | --------- | ------------- | ---------------------------------------- |
+    | context | [CanvasRenderingContext2D](ts-canvasrenderingcontext2d.md) | Yes       | -             | For details, see CanvasRenderingContext2D. |
 
 
 ## Attributes
 
-[Universal attributes]( ts-universal-attributes-index.md) are supported.
+Universal attributes are supported.
 
 
 ## Events
 
-In addition to [universal events](ts-universal-events-index.md), the following events are supported.
+In addition to universal events, the following events are supported.
 
-| Name | Parameter | Description |
-| -------- | -------- | -------- |
-| onReady(callback: () => void) | None | Triggered when . |
+| Name                             | Parameter | Description      |
+| -------------------------------- | --------- | ---------------- |
+| onReady(callback: () => void) | None      | Triggered when . |
 
 
 ## Example