Recently the crawler should use execjs library to perform a js, but this is a period of js utf8 encoding, lead to failure,

The code is as follows:

 
With the open (' main. Js, encoding='utf8') as fr: 
TXT=fr. Read () 
Js=execjs.com running (TXT) 
Js. Call (' fun ') # the subprocess. Call in call Popen, but encodeing default is GBK, result in abnormal, 

Online to find solution are directly to the source code, there are other more elegant solution?