string(348) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%BE%8E%E8%81%94%E5%82%A8%E5%87%8F%E5%B0%91%E5%AE%83%E9%80%9A%E8%BF%87%E7%9F%AD%E6%9C%9F%E6%A0%87%E5%94%AE%E5%B7%A5%E5%85%B7%E7%BB%99%E9%93%B6%E8%A1%8C%E7%9A%84%E8%B4%B7%E6%AC%BE => Failed to connect to 101.89.117.144 port 38017: Connection refused"
美联储减少它通过短期标售工具给银行的贷款
