diff --git a/entry/src/main/ets/pages/DownsamplingPage.ets b/entry/src/main/ets/pages/DownsamplingPage.ets
index de21508..7215f85 100644
--- a/entry/src/main/ets/pages/DownsamplingPage.ets
+++ b/entry/src/main/ets/pages/DownsamplingPage.ets
@@ -12,41 +12,31 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-import { RequestOption, ImageKnifeGlobal, ImageKnifeOption, ImageKnifeComponent } from '@ohos/libraryimageknife'
+import { ImageKnifeComponent, ImageKnifeOption } from '@ohos/libraryimageknife'
 import { BusinessError } from '@ohos.base'
-import { ImageKnifeData } from '@ohos/libraryimageknife'
-import {
-  DownsampleNone,
-  FitCenter
-} from '@ohos/imageknife/src/main/ets/components/inageknife/Downsampling/Downsamplestartegy'
-
-// PixelMap transform示例
 let mRotate: number = 0;
-//let mUrl= "https://hbimg.huabanimg.com/cc6af25f8d782d3cf3122bef4e61571378271145735e9-vEVqqB" let murl = $r('app.media.pngSample'); let setting = new DownsampleNone()
 let mUrl = $r('app.media.pngSample');
-let setting = new DownsampleNone()
-
 @Entry
 @Component
 struct DownsamplingPage {
   @State url: string = "";
   @State mCropPixelMap?: PixelMap = undefined;
-  @state mRoundPixelMap?: PixelMap = undefined;
+  @State mRoundPixelMap?: PixelMap = undefined;
   @State mCirclePixelMap?: PixelMap = undefined;
   @State mCircleBorderPixelMap?: PixelMap = undefined;
-  @state mRotatePixelMap?: PixelMap = undefined;
-  @state mSquarePixelMap?: PixelMap = undefined;
-  @state mSquarePixelMap1?: PixelMap = undefined;
-  @state mClipCenterPixelMap?: PixelMap = undefined;
-  @state mClipBottomPixelMap?: PixelMap = undefined;
-  @state mGrayscalePixelMap?: PixelMap = undefined;
-  @state mBrightnessPixelMap?: PixelMap = undefined;
+  @State mRotatePixelMap?: PixelMap = undefined;
+  @State mSquarePixelMap?: PixelMap = undefined;
+  @State mSquarePixelMap1?: PixelMap = undefined;
+  @State mClipCenterPixelMap?: PixelMap = undefined;
+  @State mClipBottomPixelMap?: PixelMap = undefined;
+  @State mGrayscalePixelMap?: PixelMap = undefined;
+  @State mBrightnessPixelMap?: PixelMap = undefined;
   @State mContrastPixelMap?: PixelMap = undefined;
-  @state mInvertPixelMap?: PixelMap = undefined;
-  @state mSepiaPixelMap?: PixelMap = undefined;
+  @State mInvertPixelMap?: PixelMap = undefined;
+  @State mSepiaPixelMap?: PixelMap = undefined;
   @State mSketchPixelMap?: PixelMap = undefined;
-  @state mBlurPixelMap?: PixelMap = undefined;
-  @state mPixelPixelMap?: PixelMap = undefined;
+  @State mBlurPixelMap?: PixelMap = undefined;
+  @State mPixelPixelMap?: PixelMap = undefined;
   @State mSwirlPixelMap?: PixelMap = undefined;
   @State mMaskPixelMap?: PixelMap = undefined;
   @State mKuwaharaPixelMap?: PixelMap = undefined;
@@ -54,7 +44,7 @@ struct DownsamplingPage {
   @State mVignettePixelMap?: PixelMap = undefined;
   @State BytesNumber: number = 0;
   @State BytesNumber1: number = 0;
-  @state imageKnifeOption2: ImageKnifeOption =
+  @State imageKnifeOption2: ImageKnifeOption =
     {
       loadSrc: $r('app.media.gifSample'),
       placeholderSrc: $r('app.media.icon_loading'),
@@ -74,7 +64,7 @@ struct DownsamplingPage {
             .height(35)
             .width(120)
             .margin({ top: 10 })
-            .onclick(() => {
+            .onClick(() => {
               this.transformSquare();
             });
             if (this.mSquarePixelMap) {
@@ -90,7 +80,7 @@ struct DownsamplingPage {
           Column() {
             Text("大小:" + this.BytesNumber1).fontColor(Color.Gray).fontSize(16);
             Button() {
-              Text('降采样').fontsize(13).fontColor(Color.White)
+              Text('降采样').fontSize(13).fontColor(Color.White)
             }
             .height(35).width(120)
             .margin({ top: 10 })
@@ -107,7 +97,7 @@ struct DownsamplingPage {
           }.margin({ top: 10 });
         }.margin({ bottom: 30 });
         Column() {
-          column() {
+          Column() {
             Text("ImageKnifeComponent用法").fontColor(Color.Gray).fontSize(16);
             ImageKnifeComponent({ imageKnifeOption: this.imageKnifeOption2 })
               .width(200)
@@ -121,7 +111,7 @@ struct DownsamplingPage {
   //正方形裁剪
   transformSquare() {
     let imageKnifeOption = new RequestOption();
-    imageKnifeOption.load(murl)
+    imageKnifeOption.load(mUrl)
       .addListener({ callback: (err: BusinessError | string, data: ImageKnifeData) => {
         this.mSquarePixelMap = data.drawPixelMap?.imagePixelMap as PixelMap;
         this.BytesNumber = (data.drawPixelMap?.imagePixelMap as PixelMap).getPixelBytesNumber()