string(246) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%BA%E4%BB%80%E4%B9%88cad2010%E6%BF%80%E6%B4%BB%E7%A0%81%E6%80%BB%E6%98%AF%E9%94%99%E8%AF%AF => Received HTTP code 403 from proxy after CONNECT"
为什么cad2010激活码总是错误
