打开anaconda prompt （或者打开anaconda navigator，然后在navigator的environment中启动terminal），输入一行简单、神奇的代码：spyder --reset
然后依旧在命令行中输入spyder
参考文献
[1] Spyder takes way too long to load.
https://groups.google.com/a/continuum.io/forum/#!topic/anaconda/MwJrkinW2To
这个很有用。
[2] Anaconda - Spyder is very slow to start on Windows 8 (checking for updates?)
https://stackoverflow.com/questions/44905462/anaconda-spyder-is-very-slow-to-start-on-windows-8-checking-for-updates
还行。
[3] Why is Anaconda so slow for me?
https://www.reddit.com/r/Python/comments/6wl0l2/why_is_anaconda_so_slow_for_me/
供参考。