小米手机：
User-Agent: Mozilla/7.0 (Linux; U; Android 9.0; zh-cn; MI 11 Build/NRJJ90M) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/66.0.3359.126 M360Browser/12.7 Mobile Safari/537.36
iPhone：
User-Agent: Mozilla/5.0 (iPhone; U; CPU iPhone OS 5_0 like Mac OS X; en-us) AppleWebKit/534.46 (KHTML, like Gecko) Version/5.1 Mobile/9A334 Safari/7534.48.3
iPad：
User-Agent: Mozilla/5.0 (iPad; U; CPU OS 5_0 like Mac OS X; en-us) AppleWebKit/534.46 (KHTML, like Gecko) Version/5.1 Mobile/9A334 Safari/7534.48.3
电脑：
User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/49.0.2623.87 Safari/537.36
微信PC端：
User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2785.116 Safari/537.36 QBCore/4.0.1301.400 QQBrowser/9.0.2524.400 Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2875.116 Safari/537.36 NetType/WIFI MicroMessenger/7.0.5 WindowsWechat
补充：
可用User-Agent集合_移动开发_小白一直白-CSDN博客 https://blog.csdn.net/wzyaiwl/article/details/88964162
User-Agent 合集 - jackpod - 博客园 https://www.cnblogs.com/yellowhat/p/10353539.html
可能是最全的User-Agent列表 - 简书 https://www.jianshu.com/p/3c97e0e11223