string(330) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%B8%83%E5%A4%A9%E6%97%A0%E7%90%86%E7%94%B1%E9%80%80%E6%AC%BE%E5%8C%85%E8%BF%90%E8%B4%B9%E5%90%97%E6%98%AF%E7%9C%9F%E7%9A%84%E5%90%97%E5%AE%89%E5%85%A8%E5%90%97 => Failed to connect to 125.88.227.171 port 38114: Connection refused"
七天无理由退款包运费吗是真的吗安全吗
