TypeError: Cannot read property 'certMgr' of undefined

[jixiang-wang]

[nodemon] starting node index.js
E:\PycharmProjects\github\wechat_spider-master\wechat_spider-master\index.js:9
if (!AnyProxy.utils.certMgr.ifRootCAFileExists()) {
^

TypeError: Cannot read property 'certMgr' of undefined
at Object. (E:\PycharmProjects\github\wechat_spider-master\wechat_spider-master\index.js:9:21)
at Module._compile (module.js:652:30)
at Object.Module._extensions..js (module.js:663:10)
at Module.load (module.js:565:32)
at tryModuleLoad (module.js:505:12)
at Function.Module._load (module.js:497:3)
at Function.Module.runMain (module.js:693:10)
at startup (bootstrap_node.js:188:16)
at bootstrap_node.js:609:3