将页面发布到线上时，出现HTTP警告。
原因是因为在https中引入了http的js文件，会被直接block掉的。


解决办法：

<meta http-equiv="Content-Security-Policy" content="upgrade-insecure-requests">

借鉴资料：

https://wwwblogs/hustskyking/p/upgrade-insecure-requests.html

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