string(241) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%A4%9A%E4%BA%9B%E7%9C%9F%E8%AF%9A%2C%E5%B0%91%E4%BA%9B%E5%A5%97%E8%B7%AF => Failed to connect to 61.171.74.35 port 38027: Connection refused"
多些真诚,少些套路
