切换到公众号调试后发现navigator.userAgent立面MicroMessenger字段后面没有跟版本号，记过如下：

“Mozilla/5.0 (iPhone; CPU iPhone OS 10_2 like Mac OS X) AppleWebKit/602.3.12 (KHTML, like Gecko) Mobile/14C92 Safari/601.1 wechatdevtools/0.15.152900 MicroMessenger/{{version}} Language/zh_CN webview/0”

速来领bug