https://developers.weixin.qq.com/miniprogram/dev/component/movable-view.html <movable-area>         <movable-view direction="all" out-of-bounds="true" scale="true" scale-min="0.5" scale-max="10" bindchange="imgFn">             <cover-image src="{{bigImg}}" bindload="bindload"></cover-image>         </movable-view>     </movable-area> 想知道在真机上为什么不能缩放移动 谢谢解答