string(249) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%B3%A8%E4%BC%9A%E7%BB%BC%E5%90%88%E9%80%9A%E8%BF%87%E7%8E%87%E9%AB%98%E5%90%97 => Failed to connect to 125.88.227.171 port 38062: Connection refused"
注会综合通过率高吗
