diff --git a/README.md b/README.md
index a9f03fd..15d70fb 100644
--- a/README.md
+++ b/README.md
@@ -60,7 +60,7 @@ struct Index {
   build() {
     Scroll() {
       Flex({ direction: FlexDirection.Column, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
-        ImageKnifeComponent({ imageKnifeOption: $imageKnifeOption1 })
+        ImageKnifeComponent({ imageKnifeOption: this.imageKnifeOption1 })
           .width(300) // 自定义组件支持通用属性链式调用，可以直接设置宽高
           .height(300)
       }
@@ -107,7 +107,7 @@ struct IndexFunctionDemo {
     Scroll() {
       Flex({ direction: FlexDirection.Column, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
         Text("简单示例：加载一张gif图片").fontSize(15)
-        ImageKnifeComponent({ imageKnifeOption: $imageKnifeOption })
+        ImageKnifeComponent({ imageKnifeOption: this.imageKnifeOption })
           .width(300) // 自定义组件支持通用属性链式调用，可以直接设置宽高
           .height(300)
       }
@@ -254,7 +254,7 @@ struct Index {
   build() {
     Scroll() {
       Flex({ direction: FlexDirection.Column, alignItems: ItemAlign.Center, justifyContent: FlexAlign.Center }) {
-        ImageKnifeComponent({ imageKnifeOption: $imageKnifeOption1 })
+        ImageKnifeComponent({ imageKnifeOption: this.imageKnifeOption1 })
       }
     }
     .width('100%')