我正在 Ionic2 中开发一个应用程序。行的背景中有一张图片。我还在行中放置了一张图片。图像在浏览器上看起来很好（离子服务）。但是，只有背景图像显示在真正的手机上设备。会是什么原因。
主页.html
<ion-grid>
<ion-row class="menurow">
<ion-col class="img2">
<img src="../assets/images/noun_683380_cc.png">
<h4 class="text text-center">OUR SERVICIES</h4>
</ion-col>
</ion-row>
<ion-row class="menurow">
<ion-col class="img3">
<img src="../assets/images/news.png">
<h4 class="text text-center">REFERENCES</h4>
</ion-col>
</ion-row>
<ion-row class="menurow">
<ion-col class="img4">
<img src="../assets/images/photo.png">
<h4 class="text text-center">PHOTOS</h4>
</ion-col>
</ion-row>
<ion-row class="menurow">
<ion-col class="img5">
<img src="../assets/images/video.png">
<h4 class="text text-center">VIDEOS</h4>
</ion-col>
</ion-row>
<ion-row class="menurow">
<ion-col class="img6">
<img src="../assets/images/contact.png">
<h4 class="text text-center">CONTACT</h4>
</ion-col>
</ion-row>
</ion-grid>
主页.scss
.img2{
background-size: contain;
text-align: center;
background-image: url("../assets/images/photo-1471341971476-
ae15ff5dd4ea.png"),
}
.img2 img{
position: relative;
top:8px;
width: 14%;
}
.img3{
background-size: contain;
text-align: center;
background-image: url("../assets/images/ross-sokolovski-115060.png") ;
}
.img3 img{
position: relative;
top:8px;
width: 14%;
}
.img4{
background-size: contain;
text-align: center;
background-image: url("../assets/images/aron-visser-212265.png") ;
}
.img4 img{
position: relative;
top:8px;
width: 14%;
}
.img5{
background-size: contain;
text-align: center;
background-image: url("../assets/images/jakob-owens-96968.png") ;
}
.img5 img{
position: relative;
top:8px;
width: 14%;
}
.img6{
background-size: contain;
text-align: center;
background-image: url("../assets/images/d-ng-tr-n-qu-c-104959.png") ;
}
.img6 img{
position: relative;
top:8px;
width: 14%;
}
.menurow{
padding: 5px;
}