Invalid main.json configuration for mpvue corresponding page

I created a new main.json in pages/my.

//
{
    "window": {
        "navigationBarTitleText": "123"
    }
}

but the header of the Mini Program page does not show the modified
, but the configuration in the app.json

.

configure this in main.json

{
  "navigationBarTitleText": "123"
}
MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1ea768e-1e4f.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1ea768e-1e4f.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
Need Help?