打开快剪辑安装目录，进入media目录：快剪辑安装目录\Application\1.2.0.4106\openings\media，里面有opening_1.mp4，对应时尚的片头，把该文件备份，把你的片头改为opening_1.mp4即可，但是在快剪辑里的图片不会变，预览下看是否生效。tail_x.mp4对应片尾视频。
片头的标题、创作者的样式在：快剪辑安装目录\Application\1.2.0.4106\openings下的.mlt，可以用文本工具打开，是个xml文件
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