movable-view移动到左右上角自动放大，点一下都会放大，而且不触发onscale事件，移动的时候XY坐标也不对了

<view style="width: 100%;height: 85%;top: 0;position: fixed;left: 0;">

<movable-area scale-area style="height: 100%;width: 100%;overflow: hidden;">

<movable-view style="height: 100%;width: 100%;" direction="all" @scale="onScale" @change="onChange" scale="true" scale-min="0.8" scale-max="10":scale-value="scale">

<image style="width: 100%;" src="../../static/img/test.jpg" mode="widthFix"></image>

</movable-view>

</movable-area>

</view>