string(257) "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%BC%80%E8%8D%AF%E5%BA%97%E8%BF%98%E6%9C%89%E5%89%8D%E6%99%AF%E5%90%97 => Failed to connect to 101.91.112.32 port 38221: Connection refused"
现在开药店还有前景吗
