string(280) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%B7%98%E6%B0%94%E5%80%BC%E9%AB%98%E4%BA%8E1000%E4%BB%A5%E5%90%8E%E8%BF%98%E6%9C%89%E5%95%A5%E7%94%A8%E4%B9%88 => Failed to connect to 101.89.117.144 port 38005: Connection refused"
淘气值高于1000以后还有啥用么
