按钮添加的背景图片。在渲染的时候出现如图这样的情况然后就回复正常了。不知道是网络的原因还是其他？背景图是上传到云存储的。代码如下

view class=".ly_vieww">

<view class=".lybut">

<button disabled="{{ly_car_forbidden}}" plain="{{true}}" bindtap="ly_car" >

<image mode="widthFix" class=".bg" src="cloud://tld-88305277-id.746c-tld-88305277-id-1301613223/ima/jiaoche.jpg"></image>

轿车</button>

<button disabled="{{ly_SUV_forbidden}}" plain="{{true}}" bindtap="ly_SUV" >

<image mode="widthFix" class=".bg" src="cloud://tld-88305277-id.746c-tld-88305277-id-1301613223/ima/SUV.jpg"></image>

SUV</button>

<button disabled="{{ly_hand_forbidden}}" plain="{{true}}" bindtap="ly_handbrake" >

<image mode="widthFix" class=".bg" src="cloud://tld-88305277-id.746c-tld-88305277-id-1301613223/ima/shousha.jpg"></image>

手刹</button>

</view>

</view>