diff --git a/entry/src/main/ets/pages/DownsamplingPage.ets b/entry/src/main/ets/pages/DownsamplingPage.ets
index 7215f85..1715e5f 100644
--- a/entry/src/main/ets/pages/DownsamplingPage.ets
+++ b/entry/src/main/ets/pages/DownsamplingPage.ets
@@ -12,8 +12,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-import { ImageKnifeComponent, ImageKnifeOption } from '@ohos/libraryimageknife'
+import { FitCenter, ImageKnifeComponent,
+  ImageKnifeData,
+  ImageKnifeOption, RequestOption } from '@ohos/libraryimageknife'
 import { BusinessError } from '@ohos.base'
+import { DownsampleNone } from '@ohos/imageknife/src/main/ets/components/imageknife/Downsampling/DownsampleStartegy';
+
 let mRotate: number = 0;
 let mUrl = $r('app.media.pngSample');
 @Entry