string(242) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%89%8B%E6%9C%BA%E4%B8%8Awapi%E6%9C%89%E4%BB%80%E4%B9%88%E7%94%A8%E5%A4%84 => Failed to connect to 61.171.74.35 port 38041: Connection refused"
手机上wapi有什么用处
