string(260) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=20%E4%B8%87%E5%85%83%E6%94%BE%E5%9C%A8%E9%9B%B6%E9%92%B1%E9%80%9A%E5%AE%89%E5%85%A8%E5%90%97 => Failed to connect to 101.89.117.144 port 38208: Connection refused"
20万元放在零钱通安全吗
