<!-- index.wxml --> <mp-icon type="field" icon="back" color="#000000" size="{{115}}" ></mp-icon> <view class="hell"> hello world! <view class="weui-icon weui-icon-success"></view> </view> <view class="weui-icon weui-icon-success"></view> /**index.wxss**/ page { height: 100vh; display: flex; flex-direction: column; } .weui-icon weui-icon-success { display: flex; padding: 50px; } .hell { display: flex; padding: 50px; } app.json { "pages": [ "pages/index/index" ], "useExtendedLib": { "weui": true } } 模拟器的图如下： [图片] 手机扫码预览后图如下： [图片] dweui icon模拟器正常 手机无法显示，我是哪里有什么设置没有做吗？只是做了一个测试页面，感谢指导一下！