uni-app 鸿蒙端展示tabbar时配置的midbutton展示的与app端不一致

测试过的手机

iphone11，nova14pro

示例代码：

tabbar配置项

"tabBar": {  
        "custom": false,  
        "color": "#333333",  
        "selectedColor": "#7554FA",  
        "backgroundColor": "#fff",  
        "iconWidth": "20px",  

        "list": [  
            //业务员 start  
            {  
                "pagePath": "pages/tab-bar/salesman/index",  
                "iconPath": "/static/images/tab-bar/index.png",  
                "selectedIconPath": "/static/images/tab-bar/index_active.png",  
                "text": "首页"  
            }, {  
                "pagePath": "pages/tab-bar/cart/index",  
                "iconPath": "/static/images/tab-bar/shopping_cart.png",  
                "selectedIconPath": "/static/images/tab-bar//shopping_cart_active.png",  
                "text": "购物车"  
            },  
            {  
                "pagePath": "pages/tab-bar/analysis/index",  
                "iconPath": "/static/images/tab-bar/analysis.png",  
                "selectedIconPath": "/static/images/tab-bar/analysis_active.png",  
                "text": "数据"  
            },  
            {  
                "pagePath": "pages/tab-bar/main/index",  
                "iconPath": "/static/images/tab-bar/center.png",  
                "selectedIconPath": "/static/images/tab-bar/center_active.png",  
                "text": "我的"  
            },  
            {  
                "pagePath": "",  
                "iconPath": "",  
                "selectedIconPath": "",  
                "text": "",  
                "visible": false  

            },  
            {  
                "pagePath": "",  
                "iconPath": "",  
                "selectedIconPath": "",  
                "text": "",  
                "visible": false  
            }  

        ],  
        "midButton": {  
            "width": "80px",  
            "height": "50px",  
            "text": "",  
            "iconPath": "/static/images/tab-bar/yc-init.png",  
            "iconWidth": "50px",  
            "backgroundImage": ""  
        }  
    }