string(249) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%B0%8F%E7%BA%A2%E4%B9%A6%E6%96%87%E6%A1%88%E9%87%8C%E7%9A%84%E7%AC%A6%E5%8F%B7 => Failed to connect to 101.89.159.206 port 38100: Connection refused"
小红书文案里的符号
