1. Download
Version: 2.02
Link: https: //pan.baidu.com/s/1YdyTbWElL904EMQ-9Ougnw
Extraction code: bxxa
2, invalid installation solutions
Reference link: https: //www.cnblogs.com/ljxh/p/11222898.html
a, suffix into rar
b, unzip
c、_metadata -> metadata
d、Locad unpacked
3, restart the browser
4, XPath Helper will complain though, but can
Shortcuts: ctrl + shift + x turned on or off
Note: extract_first () and extract () can not be used, you can use the index (starting from 1)