uni-app 生成apk时底部栏tabbar图片不显示 且高度过高

uni-app 生成apk时底部栏tabbar图片不显示 且高度过高

操作步骤：

1. 发行，原生App - 云打包
2. 使用公共证书，打正式包，无广告
3. 安心打包

预期结果：

tabbar正常

实际结果：

tabbar图片不显示，且高度过高

bug描述：

生成apk底部栏tabbar图片不显示，且高度是正常的两倍

"tabBar": {  
    "color": "#FFFFFF",  
    "selectedColor": "#EDC67B",  
    "borderStyle": "black",  
    "backgroundColor": "#212121",  
    "height": "100rpx",  
    "iconWidth": "40rpx",  
    "list": [{  
        "pagePath": "pages/index/index",  
        "iconPath": "static/tabbar-homepage.png",  
        "selectedIconPath": "static/tabbar-homepage-selected.png",  
        "text": "首页"  
    }, {  
        "pagePath": "pages/trade/trade",  
        "iconPath": "static/tabbar-trade.png",  
        "selectedIconPath": "static/tabbar-trade-selected.png",  
        "text": "交易"  
    }, {  
        "pagePath": "pages/machine/my-machine",  
        "iconPath": "static/tabbar-machine.png",  
        "selectedIconPath": "static/tabbar-machine-selected.png",  
        "text": "算力"  
    }, {  
        "pagePath": "pages/profits/profits",  
        "iconPath": "static/tabbar-profits.png",  
        "selectedIconPath": "static/tabbar-profits-selected.png",  
        "text": "收益"  
    }, {  
        "pagePath": "pages/mine/mine",  
        "iconPath": "static/tabbar-mine.png",  
        "selectedIconPath": "static/tabbar-mine-selected.png",  
        "text": "我的"  
    }]  
}