string(257) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%9B%A2%E9%98%9F%E9%A2%86%E5%AF%BC%E8%80%85%E5%BA%94%E8%AF%A5%E5%85%B7%E5%A4%87%E7%9A%84%E8%83%BD%E5%8A%9B => Received HTTP code 403 from proxy after CONNECT"
团队领导者应该具备的能力
