C:\Users\Jiajun>chromedriver
Starting ChromeDriver 2.46.628402 (536cd7adbad73a3783fdc2cab92ab2ba7ec361e1) on port 9515
Only local connections are allowed.
Please protect ports used by ChromeDriver and related test frameworks to prevent access by malicious code.
ChromeDriver和chrome浏览器的版本不一致导致的
参考：https://blog.csdn.net/iamhuanggua/article/details/53513364
ChromeDriver下载地址：http://npm.taobao.org/mirrors/chromedriver/
我的chrome版本是Version 75.0.3770.100 (Official Build) (64-bit) Windows系统
找不到相应版本呀
出现这个，不影响使用吧，亲测