显示头部导航返回按钮，第一次不显示，刷新后才显示

HBuilderX 3.1.18.20210609
pages.json
{
"path": "pages/index03/index",
"style": {
"navigationBarTitleText": "我的二维码",
"h5":{ //H5头部相关设置
"titleNView":{
"titleColor":"#353535",//文字颜色
"backgroundColor": "#f8f8f8" //头部背景色
}
}//h5隐藏头部导航
}
}

"globalStyle": {
"navigationBarTextStyle": "black",
"navigationBarTitleText": "uni-app",
"navigationBarBackgroundColor": "#F8F8F8",
"backgroundColor": "#F8F8F8"
}