云端打包APP编译失败，使用vant-weapp组件

vant-weapp 使用小程序模拟器正常运行，打包APP与内置浏览器运行就会报错。
测试版本：
HBuilder X v2.5.1
HBuilder X v2.5.4

以下是报错内容

14:05:15.571 项目 'app.uni' 开始编译...  
14:05:16.870 请注意运行模式下，因日志输出、sourcemap以及未压缩源码等原因，性能和包体积，均不及发行模式。  
14:05:16.870 正在编译中...  
14:05:18.005  INFO  Starting development server...  
14:05:32.176 Module build failed (from ./node_modules/postcss-loader/src/index.js):  
14:05:32.176 SyntaxError  
14:05:32.181 (43:193) Unclosed bracket  
14:05:32.182   41 |   
14:05:32.187   42 |   
14:05:32.188 > 43 | @import '../common/index.css';@font-face{font-weight:400;font-family:vant-icon;font-style:normal;font-display:auto;src:url(https://img.yzcdn.cn/vant/vant-icon-d3825a.woff2) format("woff2"),url(https://img.yzcdn.cn/vant/vant-icon-d3825a.woff) format("woff"),url(https://img.yzcdn.cn/vant/vant-icon-d3825a.ttf) format("truetype")}

以下是pages.json源码

{  
    "globalStyle": {  
        "navigationBarBackgroundColor":"#F7F7F7",  
        "navigationBarTextStyle": "black",  
        "backgroundColor": "#F7F7F7",  
        "usingComponents": {  
            "app-button": "/wxcomponents/vant/dist/button/index"  
        }  
    }  
}  

以下是app.vue源码

<script></script>  

<style>  
    /* Common CSS */  
    @import "/wxcomponents/vant/dist/common/index.wxss"  
</style>