string(206) "get document error:https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=wap%E7%AB%AF%E6%98%AF%E4%BB%80%E4%B9%88 => Failed to connect to 101.89.120.29 port 38231: Connection refused"
wap端是什么网!