string(247) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%9B%A2%E9%98%9F%E9%A2%86%E5%AF%BC%E5%85%B7%E5%A4%87%E7%9A%84%E6%9D%A1%E4%BB%B6 => Failed to connect to 61.171.74.35 port 38027: Connection refused"
团队领导具备的条件
