string(297) "get document error：https://zhidao.baidu.com/search?lm=0&rn=10&pn=0&fr=search&dyTabStr=null&word=%E8%87%AA%E5%B7%B1%E5%81%9A%E4%B8%80%E4%B8%AA%E6%89%8B%E6%9C%BAapp%E9%9C%80%E8%A6%81%E5%A4%9A%E5%B0%91%E9%92%B1%E8%B4%B9%E7%94%A8 => Failed to connect to 101.89.143.195 port 38175: Connection refused"
自己做一个手机app需要多少钱费用
