Creator版本号： 2.4.0
有的音频可以导入，但有一些就是无论如何都无法导入。
我试过删除.wav和对应的.meta文件，重新把音频放进文件夹，也不行。把音频文件重新命名再导入，也不行。
音频在音乐播放器中都是可以播放的，应该没有损坏，做音频的人也不知道这是为什么。这个到底是音频文件本身的问题？还是Creator的bug？
Invalid argument for event.reply of “app:load-audio-duration”: the first argument must be an instance of Error or null
[db-task][sync-changes] Failed to import asset /******/assets/resources/Music/Abstract Experimental Track #1 looped.wav, message: Error: Invalid argument for event.reply(), first argument must be null or Error
at EventEmitter. (/Applications/CocosCreator/Creator/2.4.0/CocosCreator.app/Contents/Resources/app.asar/editor-framework/lib/main/ipc.js:1:4952)
at EventEmitter.emit (events.js:194:13)
at EventEmitter.emit (domain.js:469:20)
at WebContents. (/Applications/CocosCreator/Creator/2.4.0/CocosCreator.app/Contents/Resources/electron.asar/browser/api/web-contents.js:390:13)
at WebContents.emit (events.js:194:13)
at WebContents.EventEmitter.emit (domain.js:469:20)
at WebContents.topLevelDomainCallback (domain.js:124:23)
--------------------
at e._wrapError (/Applications/CocosCreator/Creator/2.4.0/CocosCreator.app/Contents/Resources/app.asar/editor-framework/lib/share/ipc.js:1:855)
at Object.r.reply (/Applications/CocosCreator/Creator/2.4.0/CocosCreator.app/Contents/Resources/app.asar/editor-framework/lib/renderer/ipc.js:1:3149)
at Audio.t (/Applications/CocosCreator/Creator/2.4.0/CocosCreator.app/Contents/Resources/app.asar/editor/page/worker/load-audio-duration.js:1:290)