diff --git a/api/@ohos.multimedia.camera.d.ts b/api/@ohos.multimedia.camera.d.ts
index 4ede7d69f045fbdc7cf9ab4a236c1753d326f54d..96c908bca1ee85e61494b176728c3e8d6accd579 100644
--- a/api/@ohos.multimedia.camera.d.ts
+++ b/api/@ohos.multimedia.camera.d.ts
@@ -8565,7 +8565,7 @@ declare namespace camera {
      * Unsubscribes from effect suggestion change events.
      *
      * @param { 'effectSuggestionChange' } type - Event type.
-     * @param { AsyncCallback<EffectSuggestionType> } callback - Callback used to return the result.
+     * @param { AsyncCallback<EffectSuggestionType> } [callback] - Callback used to return the result.
      * @throws { BusinessError } 202 - Not System Application.[object Object]
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @systemapi
@@ -8642,7 +8642,7 @@ declare namespace camera {
      * Unsubscribes camera light status event callback.
      *
      * @param { 'lightStatusChange' } type - Event type.
-     * @param { AsyncCallback<LightStatus> } callback - Callback used to return the result.
+     * @param { AsyncCallback<LightStatus> } [callback] - Callback used to return the result.
      * @throws { BusinessError } 202 - Not System Application.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @systemapi
@@ -12989,7 +12989,7 @@ declare namespace camera {
      * This method is valid only after enableOffline() is called.
      *
      * @param { 'offlineDeliveryFinished' } type - Event type.
-     * @param { AsyncCallback<void>} callback - Callback used to get offline Delivery finished events.
+     * @param { AsyncCallback<void>} [callback] - Callback used to get offline Delivery finished events.
      * @throws { BusinessError } 202 - Not System Application.
      * @syscap SystemCapability.Multimedia.Camera.Core
      * @systemapi