不用 pico .bash_profile 进 .bash_profile
vi ~.bash_profile
https://blog.youkuaiyun.com/zsjzwd/article/details/76551947?depth_1-utm_source=distribute.pc_relevant.none-task&utm_source=distribute.pc_relevant.none-task](https://blog.youkuaiyun.com/zsjzwd/article/details/76551947?depth_1-utm_source=distribute.pc_relevant.none-task&utm_source=distribute.pc_relevant.none-task)
参考