string(264) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%B7%98%E5%AE%9D%E4%B8%8A%E6%8A%95%E8%AF%89%E5%95%86%E5%AE%B6%E6%9C%89%E4%BD%9C%E7%94%A8%E5%90%97 => Failed to connect to 14.18.46.51 port 38044: Connection refused"
淘宝上投诉商家有作用吗
