string(241) "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%88%9B%E5%BB%BA%E4%B8%80%E4%B8%AAapp => Failed to connect to 14.116.215.7 port 38225: Connection refused"
如何自己创建一个app
