string(243) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E8%8B%B9%E6%9E%9C%E5%90%AF%E7%94%A8wapi%E6%98%AF%E5%BC%80%E8%BF%98%E6%98%AF%E4%B8%8D%E5%BC%80 => Received HTTP code 403 from proxy after CONNECT"
苹果启用wapi是开还是不开
