string(279) "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%E6%89%8B%E6%9C%BA%E9%87%8C%E9%9D%A2%E5%90%AF%E7%94%A8wapi%E6%98%AF%E5%81%9A%E4%BB%80%E4%B9%88%E7%94%A8%E7%9A%84 => Received HTTP code 403 from proxy after CONNECT"
苹果手机里面启用wapi是做什么用的
