string(258) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%BC%81%E4%B8%9A%E5%BE%AE%E4%BF%A1%E5%BD%BB%E5%BA%95%E6%B8%85%E7%90%86%E7%BC%93%E5%AD%98 => Failed to connect to 101.89.117.144 port 38017: Connection refused"
企业微信彻底清理缓存
