diff --git a/entry/src/main/ets/pages/imageknifeTestCaseIndex.ets b/entry/src/main/ets/pages/imageknifeTestCaseIndex.ets
index 68c7303..190d06d 100644
--- a/entry/src/main/ets/pages/imageknifeTestCaseIndex.ets
+++ b/entry/src/main/ets/pages/imageknifeTestCaseIndex.ets
@@ -40,6 +40,10 @@ struct IndexFunctionDemo {
               console.log("优先级加载")
               router.pushUrl({ url: "pages/testPriorityComponent" });
             }).margin({ top: 5, left: 3 })
+          Button("下采样加载")
+            .onClick(() => {
+              router.pushUrl({ url: "pages/DownsamplingPage" });
+            }).margin({ top: 5, left: 3 })
         }.width('100%').height(60).backgroundColor(Color.Pink)
 
         Flex({ direction: FlexDirection.Row, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {