fixed c3b7447b from https://gitee.com/wang-luyu4/docs/pulls/22084

modify the description of interpolate for interpolatingSpring
Signed-off-by: Nw00808516 <wangluyu4@huawei.com>
Change-Id: Ib75e72bb6299a5fea32655bb2974a36497554a6b

zh-cn/application-dev/reference/apis/js-apis-curve.md

@@ -246,7 +246,7 @@ interpolatingSpring(velocity: number, mass: number, stiffness: number, damping:
 
 | 类型                           | 说明             |
 | ---------------------------------- | ---------------- |
-|  [ICurve](#icurve)| 曲线的插值对象。 |
+|  [ICurve](#icurve)| 曲线对象。<br>**说明:** 弹性动画曲线为物理曲线，[animation](../arkui-ts/ts-animatorproperty.md)、[animateTo](../arkui-ts/ts-explicit-animation.md)中的duration参数不生效，动画持续时间取决于interpolatingSpring动画曲线参数。时间不能归一，故不能通过该曲线的[interpolate](#interpolate9)函数获得插值。 |
 
 **示例：**