diff --git a/api/@ohos.continuation.continuationManager.d.ts b/api/@ohos.continuation.continuationManager.d.ts
index 2c9244e8d3a708b77b28424ac83e82e66e37bd9e..aa535f12e330a0f58e688a652e15d52d4095aee3 100644
--- a/api/@ohos.continuation.continuationManager.d.ts
+++ b/api/@ohos.continuation.continuationManager.d.ts
@@ -27,11 +27,36 @@ import { ContinuationExtraParams } from './continuation/continuationExtraParams'
  * @permission N/A
  */
 declare namespace continuationManager {
+    /**
+     * Called when the user selects devices from the candidate device list.
+     * You can implement your own processing logic in this callback to initiate the hop process.
+     *
+     * @since 9
+     * @syscap SystemCapability.Ability.DistributedAbilityManager
+     * @param type deviceConnect.
+     * @return callback Indicates the information about the selected devices.
+     */
+     function on(type: "deviceConnect", token: number, callback: Callback<Array<ContinuationResult>>): void;
+     function off(type: "deviceConnect", token: number): void;
+ 
+     /**
+      * Called when devices is disconnected from the continuation manager servcie.
+      * You can implement your own processing logic in this callback, such as notifying the user of the disconnection.
+      *
+      * @since 9
+      * @syscap SystemCapability.Ability.DistributedAbilityManager
+      * @param type deviceDisconnect.
+      * @return callback Indicates the ID of the disconnected devices.
+      */
+     function on(type: "deviceDisconnect", token: number, callback: Callback<Array<string>>): void;
+     function off(type: "deviceDisconnect", token: number): void;
+
     /**
      * Called when the user selects a device from the candidate device list.
      * You can implement your own processing logic in this callback to initiate the hop process.
      *
      * @since 8
+     * @deprecated since 9
      * @syscap SystemCapability.Ability.DistributedAbilityManager
      * @param type deviceConnect.
      * @return callback Indicates the information about the selected device.
@@ -44,6 +69,7 @@ declare namespace continuationManager {
      * You can implement your own processing logic in this callback, such as notifying the user of the disconnection.
      *
      * @since 8
+     * @deprecated since 9
      * @syscap SystemCapability.Ability.DistributedAbilityManager
      * @param type deviceDisconnect.
      * @return callback Indicates the ID of the disconnected device.
diff --git a/api/continuation/continuationExtraParams.d.ts b/api/continuation/continuationExtraParams.d.ts
index 63ec73151c34457bd39da7d86b1d0c7e20241a53..4ea827c4ee3826579ab104c10e2ea1e453e91276 100644
--- a/api/continuation/continuationExtraParams.d.ts
+++ b/api/continuation/continuationExtraParams.d.ts
@@ -47,7 +47,7 @@ export interface ContinuationExtraParams {
     description?: string;
 
     /**
-     * Parameters used for filtering devices.
+     * Parameters used for filtering devices, type must be { [key: string]: any }.
      *
      * @since 8
      * @syscap SystemCapability.Ability.DistributedAbilityManager