string(264) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=cad2010%E6%BF%80%E6%B4%BB%E7%A0%81%E6%9C%89%E9%97%AE%E9%A2%98%E6%80%8E%E4%B9%88%E5%9B%9E%E4%BA%8B => Failed to connect to 101.91.112.32 port 38195: Connection refused"
cad2010激活码有问题怎么回事
