string(259) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E7%BA%A2%E7%B1%B3k40pro%2B%E4%B8%8E%E5%B0%8F%E7%B1%B311%E5%8F%82%E6%95%B0%E5%AF%B9%E6%AF%94 => Failed to connect to 101.91.112.32 port 38195: Connection refused"
红米k40pro+与小米11参数对比
