遇到以下的提示訊息...
There is a version mismatch between the spring client and the server.
You should restart the server and make sure to use the same version.
CLIENT: 1.4.0, SERVER: 1.3.6
解法:在Gemfile裡面spring這個gem,加入1.3.6這個版號
原本:gem 'spring'
修改:gem 'spring', '1.3.6'
再下一次bundle update這個指令更新Gemfile