string(230) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E9%94%85%E6%B2%A1%E6%93%A6%E5%B9%B2%E7%94%9F%E9%94%88%E4%BA%86 => Failed to connect to 101.91.112.32 port 38162: Connection refused"
锅没擦干生锈了
