什么是b2c模式网!
string(214) "get document error:https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E4%BB%80%E4%B9%88%E6%98%AFb2c%E6%A8%A1%E5%BC%8F => Failed to connect to 61.171.74.35 port 38041: Connection refused"
什么是b2c模式网!