string(249) "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%E6%9C%89%E6%B3%95%E5%BE%8B%E4%BF%9D%E6%8A%A4%E5%90%97 => Failed to connect to 101.89.117.144 port 38208: Connection refused"
拼多多有法律保护吗
