diff --git a/zh-cn/application-dev/reference/apis/js-apis-inner-application-uiExtensionContext.md b/zh-cn/application-dev/reference/apis/js-apis-inner-application-uiExtensionContext.md
index f05ce2ccb14a8962de47e77b92af45b19c0bcacc..ffa33ea792c8204734f0c324fe053c9d4eca65fd 100644
--- a/zh-cn/application-dev/reference/apis/js-apis-inner-application-uiExtensionContext.md
+++ b/zh-cn/application-dev/reference/apis/js-apis-inner-application-uiExtensionContext.md
@@ -288,3 +288,97 @@ startAbilityForResult(want: Want, options?: StartOptions): Promise<AbilityRes
 | 16200001 | The caller has been released. |
 
 错误码详细介绍请参考[errcode-ability](../errorcodes/errorcode-ability.md)
+
+
+## UIExtensionContext.connectServiceExtensionAbility
+
+connectServiceExtensionAbility(want: Want, options: ConnectOptions): number;
+
+将当前Ability连接到一个使用AbilityInfo.AbilityType.SERVICE模板的Ability。
+
+**系统能力**：SystemCapability.Ability.AbilityRuntime.Core
+
+**参数：**
+
+| 参数名 | 类型 | 必填 | 说明 |
+| -------- | -------- | -------- | -------- |
+| want | [Want](js-apis-application-want.md) | 是 | 连接ServiceExtensionAbility的want信息。 |
+| options | [ConnectOptions](js-apis-inner-ability-connectOptions.md) | 是 | 与ServiceExtensionAbility建立连接后回调函数的实例。 |
+
+**返回值：**
+
+| 类型 | 说明 |
+| -------- | -------- |
+| number | 返回Ability连接的结果code。 |
+
+**错误码：**
+
+| 错误码ID | 错误信息 |
+| ------- | -------------------------------- |
+| 16000001 | The specified ability does not exist. |
+| 16000002 | Incorrect ability type. |
+| 16000004 | Can not start invisible component. |
+| 16000005 | The specified process does not have the permission. |
+| 16000006 | Cross-user operations are not allowed. |
+| 16000008 | The crowdtesting application expires. |
+| 16000053 | The ability is not on the top of the UI. |
+| 16000055 | Installation-free timed out. |
+| 16000011 | The context does not exist.        |
+| 16000050 | Internal error. |
+
+错误码详细介绍请参考[errcode-ability](../errorcodes/errorcode-ability.md)
+
+
+
+## UIExtensionContext.disconnectServiceExtensionAbility
+
+disconnectServiceExtensionAbility(connection: number): Promise\<void>;
+
+断开与ServiceExtensionAbility的连接，断开连接之后需要将连接成功时返回的remote对象置空（promise形式）。
+
+**系统能力**：SystemCapability.Ability.AbilityRuntime.Core
+
+**参数：**
+
+| 参数名 | 类型 | 必填 | 说明 |
+| -------- | -------- | -------- | -------- |
+| connection | number | 是 | 连接的ServiceExtensionAbility的数字代码，即connectServiceExtensionAbility返回的connectionId。 |
+
+**返回值：**
+
+| 类型 | 说明 |
+| -------- | -------- |
+| Promise\<void> | 返回执行结果。 |
+
+**错误码：**
+
+| 错误码ID | 错误信息 |
+| ------- | -------------------------------- |
+| 16000011 | The context does not exist. |
+| 16000050 | Internal error. |
+
+错误码详细介绍请参考[errcode-ability](../errorcodes/errorcode-ability.md)
+
+## UIExtensionContext.disconnectServiceExtensionAbility
+
+disconnectServiceExtensionAbility(connection: number, callback:AsyncCallback\<void>): void;
+
+断开与ServiceExtensionAbility的连接，断开连接之后需要将连接成功时返回的remote对象置空（callback形式）。
+
+**系统能力**：SystemCapability.Ability.AbilityRuntime.Core
+
+**参数：**
+
+| 参数名 | 类型 | 必填 | 说明 |
+| -------- | -------- | -------- | -------- |
+| connection | number | 是 | 连接的ServiceExtensionAbility的数字代码，即connectServiceExtensionAbility返回的connectionId。 |
+| callback | AsyncCallback\<void> | 是 | callback形式返回断开连接的结果。 |
+
+**错误码：**
+
+| 错误码ID | 错误信息 |
+| ------- | -------------------------------- |
+| 16000011 | The context does not exist. |
+| 16000050 | Internal error. |
+
+错误码详细介绍请参考[errcode-ability](../errorcodes/errorcode-ability.md)