人民号文章稿件中的图片滑动时，图片和对应数字不能同步显示

@@ -74,9 +74,9 @@ export struct MultiPictureListPage {
           center: { anchor: "__container__", align: VerticalAlign.Center },
           middle: { anchor: "__container__", align: HorizontalAlign.Center }
         })
-        .onChange((index: number) => {
-          this.swiperIndex = index
-          this.currentUrl = this.photoList[index]?.picPath
+        .onAnimationStart((index: number, targetIndex: number, extraInfo: SwiperAnimationEvent) => {
+          this.swiperIndex = targetIndex
+          this.currentUrl = this.photoList[targetIndex]?.picPath
         })
 
         Row() {