uni-app页面第一次不显示左上角的返回箭头，要刷新页面才会显示，所有页面都是这个问题

分类：uni-app

以下是pages.json的配置：
{
"pages": [
{
"path": "pages/login/login",
"style":
{
"navigationBarTitleText": "登录"
}
},
{
"path": "pages/index/index",
"style": {
"navigationBarTitleText": "通知管理"
}
},
{
"path": "pages/notice/create",
"style": {
"navigationBarTitleText": "新建通知"
}
},
{
"path" : "pages/notice/view",
"style" : {
"navigationBarTitleText": "通知详情"
}
}
],
"globalStyle": {
"pageOrientation": "portrait",
"navigationBarTitleText": "Hello uniapp",
"navigationBarTextStyle": "white",
"navigationBarBackgroundColor": "#007AFF",
"backgroundColor": "#F8F8F8",
"backgroundColorTop": "#F4F5F6",
"backgroundColorBottom": "#F4F5F6",
"mp-360": {
"navigationStyle": "custom"
},
"h5": {
"maxWidth": 1190,
"navigationBarTextStyle": "black",
"navigationBarBackgroundColor": "#F1F1F1"
}