string(240) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%AA%E4%BA%BA%E6%9C%89%E5%BF%85%E8%A6%81%E4%BA%A4%E7%A4%BE%E4%BF%9D => Failed to connect to 101.89.117.144 port 38022: Connection refused"
个人有必要交社保
