string(240) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%86%AF%E9%9B%85%E7%AB%B9%E8%AE%B2%E5%BE%97%E6%80%8E%E4%B9%88%E6%A0%B7 => Failed to connect to 101.89.117.144 port 38017: Connection refused"
冯雅竹讲得怎么样
