原因：因为没有开启允许活动内容在电脑运行。
解决方法：
1、右键点击需要设置的浏览器，选择“以管理员身份运行”选项按钮。
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https://iknow-pic.cdn.bcebos.com/aec379310a55b31946d0f79c4da98226cffc1729"/>
2、打开浏览器后点击右上角的菜单按钮。
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https://iknow-pic.cdn.bcebos.com/54fbb2fb43166d22a559607d482309f79052d229"/>
3、在打开的下拉菜单中选择“选项”按钮。
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https://iknow-pic.cdn.bcebos.com/f2deb48f8c5494eeb6367af023f5e0fe98257ec6"/>
4、进入选项设置界面后点击上方的“Internet选项”的按钮。
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https://iknow-pic.cdn.bcebos.com/aec379310a55b31946c7f79c4da98226cffc1718"/>
5、然后在打开的窗口中点击勾选高级栏目下的“允许活动内容在我的电脑中文件中运行”即可。
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https://iknow-pic.cdn.bcebos.com/63d9f2d3572c11df73edcaca6d2762d0f703c21f"/>