diff --git a/library/src/main/ets/components/imageknife/ImageKnifeOption.ets b/library/src/main/ets/components/imageknife/ImageKnifeOption.ets
index f34702a..5236e18 100644
--- a/library/src/main/ets/components/imageknife/ImageKnifeOption.ets
+++ b/library/src/main/ets/components/imageknife/ImageKnifeOption.ets
@@ -28,7 +28,8 @@ import { ObjectKey } from './ObjectKey'
 import common from '@ohos.app.ability.common'
 import { Priority } from './RequestOption'
 import { DataFetchResult } from './networkmanage/DataFetchResult'
-
+import { BaseDownsampling } from './Downsampling/BaseDownsampling';
+import { DownsampleNone } from './Downsampling/DownsampleStartegy';
 export interface CropCircleWithBorder{
   border: number,
   obj: rgbColor
diff --git a/library/src/main/ets/components/imageknife/SendableData.ets b/library/src/main/ets/components/imageknife/SendableData.ets
index 297d0b0..fb5c24e 100644
--- a/library/src/main/ets/components/imageknife/SendableData.ets
+++ b/library/src/main/ets/components/imageknife/SendableData.ets
@@ -18,7 +18,8 @@ import { collections } from '@kit.ArkTS';
 import { IDataFetch } from './networkmanage/IDataFetch';
 import { DiskLruCache } from '../cache/DiskLruCache';
 import { DownloadClient } from './networkmanage/DownloadClient';
-
+import { BaseDownsampling } from './Downsampling/BaseDownsampling';
+import { DownsampleNone } from './Downsampling/DownsampleStartegy';
 @Sendable
 export class SendableData{