string(249) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%8D%A1%E5%B0%94%E7%8E%9Bre%E4%B8%BA%E5%95%A5%E6%B2%A1%E4%BC%A4%E5%AE%B3%E4%BA%86 => Failed to connect to 14.18.117.71 port 38041: Connection refused"
卡尔玛re为啥没伤害了
