我从这篇文章中解决了我的问题 https://mydnic.be/post/laravel-5-and-his-fcking-non-persistent-app-setlocale

I solved my problem from this article https://mydnic.be/post/laravel-5-and-his-fcking-non-persistent-app-setlocale

感谢贡献非持久"一词的人们

Thanks to the people who contributed the word 'non persistent'