Uniapp problem: "navigationbartextstyle" error: invalid prop: custom validator check failed for prop "Navigator

The error information is as follows ：

 

resolvent ： Error reason navigationBarTextStyle  The navigation bar title color only supports black/white, I won't support it #fff Equiform .

take 【pages.json】 Medium navigationBarTextStyle  Change the navigation bar title color to black/white that will do