diff --git a/api/@ohos.multimedia.image.d.ts b/api/@ohos.multimedia.image.d.ts
index 384a7f93ec361715f3b8b7a6ce43edc8c6ea84f5..17ec79142ed591e0d7857796a99dee567bbd9605 100644
--- a/api/@ohos.multimedia.image.d.ts
+++ b/api/@ohos.multimedia.image.d.ts
@@ -158,6 +158,62 @@ declare namespace image {
     JPEG = 2000
   }
 
+  /**
+   * Enumerates alpha types.
+   * @since 9
+   * @syscap SystemCapability.Multimedia.Image.Core
+   */
+  enum AlphaType {
+    /**
+     * Indicates an unknown alpha type.
+     * @since 9
+     * @syscap SystemCapability.Multimedia.Image.Core
+     */
+    UNKNOWN = 0,
+
+    /**
+     * Indicates that the image has no alpha channel, or all pixels in the image are fully opaque.
+     * @since 9
+     * @syscap SystemCapability.Multimedia.Image.Core
+     */
+    OPAQUE = 1,
+
+    /**
+     * Indicates that RGB components of each pixel in the image are premultiplied by alpha.
+     * @since 9
+     * @syscap SystemCapability.Multimedia.Image.Core
+     */
+    PREMUL = 2,
+
+    /**
+     * Indicates that RGB components of each pixel in the image are independent of alpha and are not premultiplied by alpha.
+     * @since 9
+     * @syscap SystemCapability.Multimedia.Image.Core
+     */
+    UNPREMUL = 3
+  }
+
+  /**
+   * Enum for image scale mode.
+   * @since 9
+   * @syscap SystemCapability.Multimedia.Image.Core
+   */
+  enum ScaleMode {
+    /**
+     * Indicates the effect that fits the image into the target size.
+     * @since 9
+     * @syscap SystemCapability.Multimedia.Image.Core
+     */
+    FIT_TARGET_SIZE = 0,
+
+    /**
+     * Indicates the effect that scales an image to fill the target image area and center-crops the part outside the area.
+     * @since 9
+     * @syscap SystemCapability.Multimedia.Image.Core
+     */
+    CENTER_CROP = 1,
+  }
+
   /**
    * The componet type of image.
    * @since 9
@@ -431,6 +487,20 @@ declare namespace image {
      * @syscap SystemCapability.Multimedia.Image.Core
      */
     editable?: boolean;
+
+    /**
+     * PixelMap expected alpha type.
+     * @since 9
+     * @syscap SystemCapability.Multimedia.Image.Core
+     */
+    alphaType?: AlphaType;
+
+    /**
+     * PixelMap expected scaling effect.
+     * @since 9
+     * @syscap SystemCapability.Multimedia.Image.Core
+     */
+    scaleMode?: ScaleMode;
   }
 
   /**
@@ -465,6 +535,24 @@ declare namespace image {
    */
   function createImageSource(fd: number): ImageSource;
 
+  /**
+   * Creates an ImageSource instance based on the buffer.
+   * @since 9
+   * @syscap SystemCapability.Multimedia.Image.ImageSource
+   * @param buf The buffer of the iamge.
+   * @return Returns the ImageSource instance if the operation is successful; returns null otherwise.
+   */
+  function createImageSource(buf: ArrayBuffer): ImageSource;
+
+  /**
+   * Creates an ImageSource instance based on the buffer in incremental.
+   * @since 9
+   * @syscap SystemCapability.Multimedia.Image.ImageSource
+   * @param buf The buffer of the iamge.
+   * @return Returns the ImageSource instance if the operation is successful; returns null otherwise.
+   */
+  function CreateIncrementalSource(buf: ArrayBuffer): ImageSource;
+
   /**
    * Creates an ImagePacker instance.
    * @since 6
@@ -696,7 +784,7 @@ declare namespace image {
      * @param options Index of the image.
      * @return A Promise instance used to return the property value. If the operation fails, the default value is returned.
      */
-    getImageProperty(key:string, options?: GetImagePropertyOptions): Promise<string>;
+    getImageProperty(key: string, options?: GetImagePropertyOptions): Promise<string>;
 
     /**
      * Obtains the value of a property in this image. This method uses a callback to return the
@@ -706,7 +794,7 @@ declare namespace image {
      * @param key Name of the property whose value is to be obtained.
      * @param callback Callback used to return the property value. If the operation fails, an error message is returned.
      */
-    getImageProperty(key:string, callback: AsyncCallback<string>): void;
+    getImageProperty(key: string, callback: AsyncCallback<string>): void;
 	
     /**
      * Obtains the value of a property in an image with the specified index. This method uses
@@ -717,7 +805,53 @@ declare namespace image {
      * @param options Index of the image.
      * @param callback Callback used to return the property value. If the operation fails, the default value is returned.
      */
-    getImageProperty(key:string, options: GetImagePropertyOptions, callback: AsyncCallback<string>): void;
+    getImageProperty(key: string, options: GetImagePropertyOptions, callback: AsyncCallback<string>): void;
+
+    /**
+     * Modify the value of a property in an image with the specified key. This method uses a
+     * promise to return the property value in a string.
+     * @since 9
+     * @syscap SystemCapability.Multimedia.Image.ImageSource
+     * @param key Name of the property whose value is to be modified.
+     * @param value The value to be set to property.
+     * @return A Promise instance used to return the property value.
+     */
+    modifyImageProperty(key: string, value: string): Promise<void>;
+
+    /**
+     * Modify the value of a property in an image with the specified key. This method uses a callback to return the
+     * property value in a string.
+     * @since 9
+     * @syscap SystemCapability.Multimedia.Image.ImageSource
+     * @param key Name of the property whose value is to be obtained.
+     * @param value The value to be set to property.
+     * @param callback Callback to return the operation result.
+     */
+    modifyImageProperty(key: string, value: string, callback: AsyncCallback<void>): void;
+
+    /**
+     * Update the data in the incremental ImageSource.
+     * @since 9
+     * @syscap SystemCapability.Multimedia.Image.ImageSource
+     * @param buf The data to be updated.
+     * @param isFinished If is it finished.
+     * @param value The offset of data.
+     * @param length The lenght fo buf.
+     * @return A Promise instance used to return the property value.
+     */
+    updateData(buf: ArrayBuffer, isFinished: boolean, value: number, length: number): Promise<void>;
+
+    /**
+     * Update the data in the incremental ImageSource.
+     * @since 9
+     * @syscap SystemCapability.Multimedia.Image.ImageSource
+     * @param buf The data to be updated.
+     * @param isFinished If is it finished.
+     * @param value The offset of data.
+     * @param length The lenght fo buf.
+     * @param callback Callback to return the operation result.
+     */
+    updateData(buf: ArrayBuffer, isFinished: boolean, value: number, length: number, callback: AsyncCallback<void>): void;
 
     /**
      * Releases an ImageSource instance and uses a callback to return the result.