PAC with nodejs request

pac.js

// Using a PAC file with request nodejs
// https://blog.birkhoff.me/node-js-request-via-local-pac-file/
// npm install pac-proxy-agent  

var request = require("request");  
var pacURL  = 'http://127.0.0.1:16823/proxy_on.pac';  
var agent   = new require('pac-proxy-agent')('pac+' + pacURL);  
var reqURL  = 'https://www.google.com.tw';

request({ url: reqURL, agent: agent }, function (error, response, body) {  
    // code..
});

it works for me, thank man

HTTPError: Bad Request
my response，i search everywhere, wher is my luck