diff --git a/api/common/@system.app.d.ts b/api/common/@system.app.d.ts
index b9903af04c234bc678dbaa25331cb6bd95fa193f..ac6247813190e3e556e7e0d0a8c04de030447d90 100644
--- a/api/common/@system.app.d.ts
+++ b/api/common/@system.app.d.ts
@@ -115,4 +115,28 @@ export default class App {
    * @devices phone, tablet
    */
   static requestFullWindow(options?: RequestFullWindowOptions): void;
+
+  /**
+   * Set image cache capacity of decoded image count.
+   * if not set, the application will not cache any decoded image.
+   * @syscap SystemCapability.ArkUI.ArkUI.Full
+   * @param value capacity of decoded image count.
+   */
+  static setImageCacheCount(value: number): void;
+
+  /**
+   * Set image cache capacity of raw image data size in bytes before decode.
+   * if not set, the application will not cache any raw image data.
+   * @syscap SystemCapability.ArkUI.ArkUI.Full
+   * @param value capacity of raw image data size in bytes.
+   */
+  static setImageRawDataCacheSize(value: number): void;
+
+  /**
+   * Set image file cache size in bytes on disk before decode.
+   * if not set, the application will cache 100MB image files on disk.
+   * @syscap SystemCapability.ArkUI.ArkUI.Full
+   * @param value capacity of raw image data size in bytes.
+   */
+  static setImageFileCacheSize(value: number): void;
 }