update docs (8149)

Signed-off-by: Nester.zhou <ester.zhou@huawei.com>

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

 # TextPicker
 
+The **TextPicker** component allows users to scroll to select text.
 
-The **\<TextPicker>** component allows users to select text from a list of options.
-
-
-> **NOTE**
+>  **NOTE**
 >
-> This component is supported since API version 8. Updates will be marked with a superscript to indicate their earliest API version.
+>  This component is supported since API version 8. Updates will be marked with a superscript to indicate their earliest API version.
 
 
 ## Required Permissions
@@ -21,35 +19,34 @@ Not supported
 
 ## APIs
 
-TextPicker(value: {range: string[] | Resource, value?: string, selected?: number})
+TextPicker(options: {range: string[]|Resource, selected?: number, value?: string})
 
 Creates a text picker based on the selection range specified by **range**.
 
 - Parameters
-  | Name | Type | Mandatory | Default Value | Description |
+  | Name| Type| Mandatory| Default Value| Description|
   | -------- | -------- | -------- | -------- | -------- |
-  | range | string[]\|&nbsp;[Resource](../../ui/ts-types.md) | Yes | - | Data selection range of the picker. |
-  | value | string | No | - | Search text. |
-  | selected | number | No | Index of the first item | Index of the selected item in the array. |
+  | range | string[] \| [Resource](../../ui/ts-types.md#resource-type)| Yes| - | Data selection range of the picker.|
+  | selected | number | No| 0 | Index of the selected item in the range.        |
+  | value | string | No| Value of the first item| Value of the selected item. The priority of this parameter is lower than that of **selected**.|
 
 
 ## Attributes
 
-| Name | Type | Default Value | Description |
+| Name| Type| Default Value| Description|
 | -------- | -------- | -------- | -------- |
-| defaultPickerItemHeight | Length | - | Default height of an item in the picker. |
+| defaultPickerItemHeight | Length | - | Default height of an item in the picker.|
 
 
 ## Events
 
-| Name | Description |
+| Name| Description|
 | -------- | -------- |
-| onChange(callback: (value: string, index: number) =&gt; void) | Triggered when an item in the picker is selected.<br/>- **value**: text of the selected item.<br/>- **index**: index of the selected item. |
+| onChange(callback: (value: string, index: number) =&gt; void) | Triggered when an item in the picker is selected.<br>- **value**: value of the selected item.<br>- **index**: index of the selected item.|
 
 
 ## Example
 
-
 ```ts
 // xxx.ets
 @Entry

en/application-dev/reference/arkui-ts/ts-methods-textpicker-dialog.md

 # Text Picker Dialog Box
 
-> **NOTE**<br>
-> This component is supported since API version 8. Updates will be marked with a superscript to indicate their earliest API version.
-
 You can display a text picker in a dialog box to allow users to select text from the given range.
 
+>  **NOTE**
+>
+>  This component is supported since API version 8. Updates will be marked with a superscript to indicate their earliest API version.
+
+
 ## Required Permissions
 
 None
@@ -16,24 +18,26 @@ show(options: TextPickerDialogOptions)
 Shows a text picker in the given settings.
 
 - TextPickerDialogOptions
-  | Name | Type | Mandatory | Default Value | Description |
+  | Name| Type| Mandatory| Default Value| Description|
   | -------- | -------- | -------- | -------- | -------- |
-  | range | string[] | Yes | - | Data selection range of the picker. |
-  | selected | number | No | First element | Index value of the selected item in the range. |
-  | defaultPickerItemHeight | number | No | - | Height of the default selected item in the picker. |
-  | onAccept | (value: TextPickerResult) => void | No | - | Callback invoked when the OK button in the dialog box is clicked. |
-  | onCancel | () => void | No | - | Triggered when the Cancel button in the dialog box is clicked. |
-  | onChange | (value: TextPickerResult) => void | No | - | Callback invoked when the selected item in the picker changes. |
+  | range | string[] | Yes| - | Data selection range of the picker.|
+  | selected | number | No| 0 | Index of the selected item in the range.|
+  | value       | string           | No   | -    | Value of the selected item. This parameter does not take effect when the **selected** parameter is set. If the value is not within the range, the first item in the range is used instead.|
+  | defaultPickerItemHeight | number | No| - | Default height of an item in the picker.|
+  | onAccept | (value: TextPickerResult) => void | No| - | Triggered when the OK button in the dialog box is clicked.|
+  | onCancel | () => void | No| - | Triggered when the Cancel button in the dialog box is clicked.|
+  | onChange | (value: TextPickerResult) => void | No| - | Triggered when the selected item in the picker changes.|
 
 - TextPickerResult
-  | Name | Type | Description | 
+  | Name| Type| Description|
   | -------- | -------- | -------- |
-  | value | string | Text of the selected item. | 
-  | index | number | Index value of the selected item in the range. | 
+  | value | string | Value of the selected item.|
+  | index | number | Index of the selected item in the range.|
 
 ## Example
 
-```
+```ts
+// xxx.ets
 @Entry
 @Component
 struct TextPickerDialogExample {