注释掉 就是http，不注释就是https ----下方已经注释了
<!DOCTYPE HTML> <html> <head> <!--<meta http-equiv="Content-Security-Policy" content="upgrade-insecure-requests">--> <meta http-equiv="refresh" content="20"> </script> </head> <body>
标签：文件,http,注释,html,https,引入 From： https://www.cnblogs.com/79524795-Tian/p/16964914.html