string(285) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%B9%BF%E5%91%8A%E4%B8%8A%E5%87%BA%E7%8E%B0%E7%9A%84%E9%94%99%E5%88%AB%E5%AD%97%E6%80%8E%E4%B9%88%E5%8E%BB%E6%8E%89 => Failed to connect to 101.89.117.144 port 38022: Connection refused"
广告上出现的错别字怎么去掉
