string(243) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E5%A6%82%E4%BD%95%E8%87%AA%E5%B7%B1%E5%BC%80%E5%8F%91%E8%BD%AF%E4%BB%B6app => Failed to connect to 101.89.117.144 port 38208: Connection refused"
如何自己开发软件app
