update docs

Signed-off-by: NAnnie_wang <annie.wangli@huawei.com>

en/application-dev/reference/apis/js-apis-data-storage.md

@@ -8,8 +8,6 @@ The **DataStorage** module provides applications with data processing capability
 > -  The initial APIs of this module are supported since API version 6. Newly added APIs will be marked with a superscript to indicate their earliest API version.
 >
 > -  The APIs of this module are no longer maintained since API version 9. You are advised to use [@ohos.data.preferences](js-apis-data-preferences.md).
->
-> -  The APIs of this module can be used only in the FA model.
 
 
 ## Modules to Import
@@ -188,7 +186,7 @@ Deletes the singleton **Storage** instance of a file from the memory, and delete
 | Name  | Type                     | Mandatory| Description                      |
 | -------- | ------------------------- | ---- | -------------------------- |
 | path     | string                    | Yes  | Path of the target file.|
-| callback | AsyncCallback<void> | Yes       | Callback that returns no value. |
+| callback | AsyncCallback<void> | Yes  | Callback that returns no value.                |
 
 **Example**
 
@@ -230,7 +228,7 @@ Deletes the singleton **Storage** instance of a file from the memory, and delete
 
 | Type               | Description                           |
 | ------------------- | ------------------------------- |
-| Promise<void> | Promise that returns no value. |
+| Promise<void> | Promise that returns no value.|
 
 **Example**
 
@@ -295,7 +293,7 @@ Removes the singleton **Storage** instance of a file from the cache. The removed
 | Name  | Type                     | Mandatory| Description                      |
 | -------- | ------------------------- | ---- | -------------------------- |
 | path     | string                    | Yes  | Path of the target file.|
-| callback | AsyncCallback<void> | Yes       | Callback that returns no value. |
+| callback | AsyncCallback<void> | Yes  | Callback that returns no value.                |
 
 **Example**
 
@@ -337,7 +335,7 @@ Removes the singleton **Storage** instance of a file from the cache. The removed
 
 | Type               | Description                           |
 | ------------------- | ------------------------------- |
-| Promise<void> | Promise that returns no value. |
+| Promise<void> | Promise that returns no value.|
 
 **Example**
 
@@ -490,7 +488,7 @@ Obtains the **Storage** instance corresponding to the specified file, writes dat
 | -------- | ------------------------- | ---- | ----------------------------------------- |
 | key      | string                    | Yes  | Key of the data. It cannot be empty.            |
 | value    | [ValueType](#valuetype)   | Yes  | New value to store. It can be a number, string, or Boolean value.|
-| callback | AsyncCallback<void> | Yes       | Callback that returns no value.                              |
+| callback | AsyncCallback<void> | Yes  | Callback that returns no value.                               |
 
 **Example**
 
@@ -524,7 +522,7 @@ Obtains the **Storage** instance corresponding to the specified file, writes dat
 
 | Type               | Description                       |
 | ------------------- | --------------------------- |
-| Promise<void> | Promise that returns no value. |
+| Promise<void> | Promise that returns no value.|
 
 **Example**
 
@@ -672,7 +670,7 @@ Deletes data with the specified key from this storage object. This API uses an a
 | Name  | Type                     | Mandatory| Description                           |
 | -------- | ------------------------- | ---- | ------------------------------- |
 | key      | string                    | Yes  | Key of the data. It cannot be empty.|
-| callback | AsyncCallback<void> | Yes       | Callback that returns no value.      |
+| callback | AsyncCallback<void> | Yes  | Callback that returns no value.                     |
 
 **Example**
 
@@ -705,7 +703,7 @@ Deletes data with the specified key from this storage object. This API uses a pr
 
 | Type               | Description                       |
 | ------------------- | --------------------------- |
-| Promise<void> | Promise that returns no value. |
+| Promise<void> | Promise that returns no value.|
 
 **Example**
 
@@ -746,7 +744,7 @@ Saves the modification of this object to the **Storage** instance and synchroniz
 
 | Name  | Type                     | Mandatory| Description      |
 | -------- | ------------------------- | ---- | ---------- |
-| callback | AsyncCallback<void> | Yes       | Callback that returns no value. |
+| callback | AsyncCallback<void> | Yes  | Callback that returns no value.|
 
 **Example**
 
@@ -773,7 +771,7 @@ Saves the modification of this object to the **Storage** instance and synchroniz
 
 | Type               | Description                       |
 | ------------------- | --------------------------- |
-| Promise<void> | Promise that returns no value. |
+| Promise<void> | Promise that returns no value.|
 
 **Example**
 
@@ -814,7 +812,7 @@ Clears this **Storage** object. This API uses an asynchronous callback to return
 
 | Name  | Type                     | Mandatory| Description      |
 | -------- | ------------------------- | ---- | ---------- |
-| callback | AsyncCallback<void> | Yes       | Callback that returns no value. |
+| callback | AsyncCallback<void> | Yes  | Callback that returns no value.|
 
 **Example**
 
@@ -840,7 +838,7 @@ Clears this **Storage** object. This API uses a promise to return the result.
 **Return value**
 | Type               | Description                       |
 | ------------------- | --------------------------- |
-| Promise<void> | Promise that returns no value. |
+| Promise<void> | Promise that returns no value.|
 
 **Example**
 

en/application-dev/reference/apis/js-apis-wifiManagerExt.md

-# WLAN Extension Interface
+# @ohos.wifiManagerExt (WLAN Extension)
 
 This **wifiext** module provides WLAN extension interfaces for non-universal products.
 
 > **NOTE**
-> 
-> The initial APIs of this module are supported since API version 8. Newly added APIs will be marked with a superscript to indicate their earliest API version.
-The APIs described in this document are used only for non-universal products, such as routers.
+>
+> - The initial APIs of this module are supported since API version 8. Newly added APIs will be marked with a superscript to indicate their earliest API version.
+> - The APIs described in this document are used only for non-universal products, such as routers.
 
 
 ## Modules to Import
@@ -14,9 +14,9 @@ The APIs described in this document are used only for non-universal products, su
 import wifiManagerExt from '@ohos.wifiManagerExt';
 ```
 
-## wifiext.enableHotspot
+## wifiext.enableHotspot<sup>9+</sup>
 
-enableHotspot(): boolean;
+enableHotspot(): void;
 
 Enables the WLAN hotspot.
 
@@ -24,16 +24,17 @@ Enables the WLAN hotspot.
 
 **System capability**: SystemCapability.Communication.WiFi.AP.Extension
 
-**Return value**
+**Error codes**
 
-  | **Type**| **Description**|
-  | -------- | -------- |
-  | boolean | Returns **true** if the operation is successful; returns **false** otherwise.|
+For details about the error codes, see [Wi-Fi Error Codes](../errorcodes/errorcode-wifi.md).
 
+| **Type**| **Description**|
+| -------- | -------- |
+| 2701000  | Operation failed.|
 
-## wifiext.disableHotspot
+## wifiext.disableHotspot<sup>9+</sup>
 
-disableHotspot(): boolean;
+disableHotspot(): void;
 
 Disables the WLAN hotspot.
 
@@ -41,18 +42,19 @@ Disables the WLAN hotspot.
 
 **System capability**: SystemCapability.Communication.WiFi.AP.Extension
 
-**Return value**
+**Error codes**
 
-  | **Type**| **Description**|
-  | -------- | -------- |
-  | boolean | Returns **true** if the operation is successful; returns **false** otherwise.|
+For details about the error codes, see [Wi-Fi Error Codes](../errorcodes/errorcode-wifi.md).
 
+| **Type**| **Description**|
+| -------- | -------- |
+| 2701000  | Operation failed.|
 
-## wifiext.getSupportedPowerModel
+## wifiext.getSupportedPowerMode<sup>9+</sup>
 
-getSupportedPowerModel(): Promise&lt;Array&lt;PowerModel&gt;&gt;
+getSupportedPowerMode(): Promise&lt;Array&lt;PowerMode&gt;&gt;
 
-Obtains the supported power models. This API uses a promise to return the result.
+Obtains the supported power modes. This API uses a promise to return the result.
 
 **Required permissions**: ohos.permission.GET_WIFI_INFO
 
@@ -60,14 +62,21 @@ Obtains the supported power models. This API uses a promise to return the result
 
 **Return value**
 
-  | Type| Description|
-  | -------- | -------- |
-  | Promise&lt;Array&lt;[PowerModel](#powermodel)&gt;&gt; | Promise used to return the power models obtained.|
+| Type| Description|
+| -------- | -------- |
+| Promise&lt;Array&lt;[PowerMode](#powermode)&gt;&gt; | Promise used to return the power modes obtained.|
+
+**Error codes**
 
+For details about the error codes, see [Wi-Fi Error Codes](../errorcodes/errorcode-wifi.md).
 
-## PowerModel
+| **Type**| **Description**|
+| -------- | -------- |
+| 2701000  | Operation failed.|
 
-Enumerates the power models.
+## PowerMode
+
+Enumerates the power modes.
 
 **System capability**: SystemCapability.Communication.WiFi.AP.Extension
 
@@ -78,11 +87,11 @@ Enumerates the power models.
 | THROUGH_WALL | 2 | Through_wall|
 
 
-## wifiext.getSupportedPowerModel
+## wifiext.getSupportedPowerMode<sup>9+</sup>
 
-getSupportedPowerModel(callback: AsyncCallback&lt;Array&lt;PowerModel&gt;&gt;): void
+getSupportedPowerMode(callback: AsyncCallback&lt;Array&lt;PowerMode&gt;&gt;): void
 
-Obtains the supported power models. This API uses an asynchronous callback to return the result.
+Obtains the supported power modes. This API uses an asynchronous callback to return the result.
 
 **Required permissions**: ohos.permission.GET_WIFI_INFO
 
@@ -90,16 +99,23 @@ Obtains the supported power models. This API uses an asynchronous callback to re
 
 **Parameters**
 
-  | Name| Type| Mandatory| Description|
-  | -------- | -------- | -------- | -------- |
-  | callback | AsyncCallback&lt;Array&lt;[PowerModel](#powermodel)&gt;&gt; | Yes| Callback invoked to return the result. If the operation is successful, **err** is 0 and **data** is the power models obtained. If **err** is not **0**, an error has occurred.|
+| Name| Type| Mandatory| Description|
+| -------- | -------- | -------- | -------- |
+| callback | AsyncCallback&lt;Array&lt;[PowerMode](#powermode)&gt;&gt; | Yes| Callback invoked to return the result. If the operation is successful, **err** is **0** and **data** is the power modes obtained. If **err** is not **0**, an error has occurred.|
+
+**Error codes**
+
+For details about the error codes, see [Wi-Fi Error Codes](../errorcodes/errorcode-wifi.md).
 
+| **Type**| **Description**|
+| -------- | -------- |
+| 2701000  | Operation failed.|
 
-## wifiext.getPowerModel
+## wifiext.getPowerMode<sup>9+</sup>
 
-getPowerModel(): Promise&lt;PowerModel&gt;
+getPowerMode(): Promise&lt;PowerMode&gt;
 
-Obtains the power model. This API uses a promise to return the result.
+Obtains the power mode. This API uses a promise to return the result.
 
 **Required permissions**: ohos.permission.GET_WIFI_INFO
 
@@ -107,16 +123,23 @@ Obtains the power model. This API uses a promise to return the result.
 
 **Return value**
 
-  | Type| Description|
-  | -------- | -------- |
-  | Promise&lt;[PowerModel](#powermodel)&gt; | Promise used to return the power model obtained.|
+| Type| Description|
+| -------- | -------- |
+| Promise&lt;[PowerMode](#powermode)&gt; | Promise used to return the power modes obtained.|
 
+**Error codes**
 
-## wifiext.getPowerModel
+For details about the error codes, see [Wi-Fi Error Codes](../errorcodes/errorcode-wifi.md).
 
-getPowerModel(callback: AsyncCallback&lt;PowerModel&gt;): void
+| **Type**| **Description**|
+| -------- | -------- |
+| 2701000  | Operation failed.|
 
-Obtains the power model. This API uses an asynchronous callback to return the result.
+## wifiext.getPowerMode<sup>9+</sup>
+
+getPowerMode(callback: AsyncCallback&lt;PowerMode&gt;): void
+
+Obtains the power mode. This API uses an asynchronous callback to return the result.
 
 **Required permissions**: ohos.permission.GET_WIFI_INFO
 
@@ -124,16 +147,23 @@ Obtains the power model. This API uses an asynchronous callback to return the re
 
 **Parameters**
 
-  | Name| Type| Mandatory| Description|
-  | -------- | -------- | -------- | -------- |
-  | callback | AsyncCallback&lt;[PowerModel](#powermodel)&gt; | Yes| Callback invoked to return the result. If the operation is successful, **err** is **0** and **data** is the power model obtained. If **err** is not **0**, an error has occurred.|
+| Name| Type| Mandatory| Description|
+| -------- | -------- | -------- | -------- |
+| callback | AsyncCallback&lt;[PowerMode](#powermode)&gt; | Yes| Callback invoked to return the result. If the operation is successful, **err** is **0** and **data** is the power mode obtained. If **err** is not **0**, an error has occurred.|
+
+**Error codes**
 
+For details about the error codes, see [Wi-Fi Error Codes](../errorcodes/errorcode-wifi.md).
 
-## wifiext.setPowerModel
+| **Type**| **Description**|
+| -------- | -------- |
+| 2701000  | Operation failed.|
 
-setPowerModel(model: PowerModel) : boolean;
+## wifiext.setPowerMode<sup>9+</sup>
 
- Sets the power model.
+setPowerMode(model: PowerMode) : boolean;
+
+ Sets the power mode.
 
 **Required permissions**: ohos.permission.MANAGE_WIFI_HOTSPOT_EXT
 
@@ -141,12 +171,14 @@ setPowerModel(model: PowerModel) : boolean;
 
 **Parameters**
 
-  | Name| Type| Mandatory| Description|
-  | -------- | -------- | -------- | -------- |
-  | model | [PowerModel](#powermodel) | Yes| Power model to set.|
+| Name| Type| Mandatory| Description|
+| -------- | -------- | -------- | -------- |
+| model | [PowerMode](#powermode) | Yes| Power mode to set.|
 
-**Return value**
+**Error codes**
+
+For details about the error codes, see [Wi-Fi Error Codes](../errorcodes/errorcode-wifi.md).
 
-  | **Type**| **Description**|
-  | -------- | -------- |
-  | boolean | Returns **true** if the operation is successful; returns **false** otherwise.|
+| **Type**| **Description**|
+| -------- | -------- |
+| 2701000  | Operation failed.|

en/application-dev/reference/errorcodes/Readme-EN.md

@@ -59,6 +59,7 @@
   - [NFC Error Codes](errorcode-nfc.md)
   - [RPC Error Codes](errorcode-rpc.md)
   - [Bluetooth Error Codes](errorcode-bluetoothManager.md)
+  - [Wi-Fi Error Codes](errorcode-wifi.md)
 - Basic Features
   - [Accessibility Error Codes](errorcode-accessibility.md)
   - [FaultLogger Error Codes](errorcode-faultlogger.md)

en/application-dev/reference/errorcodes/errorcode-wifi.md

+# Wi-Fi Error Codes
+
+## 2401000 STA Internal Error
+
+**Error Message**
+
+Operation failed.
+
+**Description**
+
+An error occurs when the Wi-Fi service performs an operation related to the station (STA).
+
+**Possible Causes**
+
+1. Communication between the Wi-Fi service and the STA failed.
+2. The Wi-Fi chip communication is abnormal.
+3. An unknown error has occurred.
+
+**Solution**
+
+1. Disable and then enable the Wi-Fi function again.
+2. If the error persists, restart the device.
+
+## 2501000 STA Internal Error
+
+**Error Message**
+
+Operation failed.
+
+**Description**
+
+An error occurs when the Wi-Fi service performs a STA-related operation.
+
+**Possible Causes**
+
+1. Communication between the Wi-Fi service and the STA failed.
+2. The Wi-Fi chip communication is abnormal.
+3. An unknown error has occurred.
+
+**Solution**
+
+1. Disable and then enable the Wi-Fi function again.
+2. If the error persists, restart the device.
+
+## 2501001 STA Disabled
+
+**Error Message**
+
+Wifi is closed.
+
+**Description**
+
+The Wi-Fi STA function is disabled.
+
+**Possible Causes**
+
+The Wi-Fi function is disabled.
+
+**Solution**
+
+Enable the Wi-Fi function.
+
+## 2601000 Hotspot Module Error
+
+**Error Message**
+
+Operation failed.
+
+**Description**
+
+An error occurs when the Wi-Fi service performs a hotspot-related operation.
+
+**Possible Causes**
+
+1. Communication between the Wi-Fi service and the hotspot failed.
+2. The Wi-Fi chip communication is abnormal.
+3. An unknown error has occurred.
+
+**Solution**
+
+1. Disable and then enable the hotspot again.
+2. If the error persists, restart the device.
+
+## 2701000 AP Extension Module Error
+
+**Error Message**
+
+Operation failed.
+
+**Description**
+
+An error occurs when the Wi-Fi service performs a hotspot-related operation.
+
+**Possible Causes**
+
+1. Communication between the Wi-Fi service and the hotspot failed.
+2. The Wi-Fi chip communication is abnormal.
+3. An unknown error has occurred.
+
+**Solution**
+
+1. Disable and then enable the hotspot again.
+2. If the error persists, restart the device.
+
+## 2801000 P2P Module Error
+
+**Error Message**
+
+Operation failed.
+
+**Description**
+
+An error occurs when the Wi-Fi service performs a P2P-related operation.
+
+**Possible Causes**
+
+1. Communication with the Wi-Fi service failed.
+2. The Wi-Fi chip communication is abnormal.
+3. An unknown error has occurred.
+
+**Solution**
+
+1. Disable and then enable the Wi-Fi function again.
+2. If the error persists, restart the device.