The key "minmum-scale" is not recognized and ignored.
HTML 代码：
<meta name="viewport" content="width=device-width,initial-scale=1.0,minimum-scale=1.0,maximum-scale=1.0,user-scalable=no" />
错误原因
一、书写错误
minimum-scale 写成 minmum-scale
maximum-scale 写成 maxmum-scale
