This error occurs because chromedriver.exe version of your chrome browser and download the inconsistencies caused.
To this address: https: //npm.taobao.org/mirrors/chromedriver/79.0.3945.36/
download shown below driving, pay attention to see their operating system to download
If you choose to download windows system penultimate
Once you have downloaded, close your browser, and then copy the download, unzip the top of the drive to get to the installation directory chrome browser, as shown below:
Then add the path to the path of the installation path of the system, as shown below:
View supplement your chrome version number, as shown below: