https 页面中引入 http 资源的解决方式

Mixed Content: The page at 'https://eng.stu.edu.cn/bme/Info.aspx?id=48' was loaded over HTTPS, but requested an insecure resource 'http://player.youku.com/embed/XMzM0ODAxNDAwOA=='. This request has been blocked; the content must be served over HTTPS.