使用方法

　　在After Effects菜单中找到 File->Scripts->Install ScriptUI Panel，然后选择文件AM\u Select and Set.jsx

　　或者拷贝AM_Select and Set.jsx文件到目录：

　　PC : (Adobe After Effects Installation Folder)\Support Files\Scripts\ScriptUI Panels.

　　MAC : Applications\(Adobe After Effects Folder)\Scripts\ScriptsUI Panels.

　　重启AE即可