string(321) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E6%8B%BC%E5%A4%9A%E5%A4%9A%E5%AD%98%E5%9C%A8%E7%9A%84%E6%B3%95%E5%BE%8B%E9%A3%8E%E9%99%A9%E9%97%AE%E9%A2%98%E6%98%AF%E4%BB%80%E4%B9%88%E5%8E%9F%E5%9B%A0 => Failed to connect to 101.89.117.144 port 38022: Connection refused"
拼多多存在的法律风险问题是什么原因
