update docs

Signed-off-by: NHelloCrease <lian15@huawei.com>

zh-cn/application-dev/reference/arkui-ts/ts-interpolation-calculation.md

@@ -135,6 +135,8 @@ struct ImageComponent {
         .backgroundColor(Color.Red)
         .onClick(()=> {
           let curve = Curves.cubicBezier(0.25, 0.1, 0.25, 1.0);
+          this.widthSize = curve.interpolate(0.5) * this.widthSize;
+          this.heightSize = curve.interpolate(0.5) * this.heightSize;
         })
         .animation({duration: 2000 , curve: Curves.spring(0.25, 0.1, 0.25, 1.0)})
     }.width("100%").height("100%")