string(276) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%8E%B0%E5%9C%A8%E5%8E%BB%E8%BF%AA%E6%8B%9C%E6%89%93%E5%B7%A5%E5%AE%89%E5%85%A8%E5%90%97%E7%9F%A5%E4%B9%8E => Failed to connect to 101.89.159.206 port 38187: Connection refused"
现在去迪拜打工安全吗知乎
