string(265) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%80%8E%E6%A0%B7%E5%85%8B%E6%9C%8D%E6%80%95%E9%BB%91%E5%BF%83%E7%90%86%E9%9A%9C%E7%A2%8D%E5%91%A2 => Failed to connect to 14.18.117.71 port 38133: Connection refused"
怎样克服怕黑心理障碍呢
