刚加入就发贴求助很不好意思...刚开始使用mac版，下载安装后离线模式启动就出现了这个...请问一下这是哪项出了问题，我好对应去解决，mac osx10.10.1，启动器下载的是HMCL-2.1.3。全文在下面
[10:04:59][AWT-EventQueue-0/INFO] Start generating launching command...
[10:04:59][Game Launcher/INFO] On making libraries args.
[10:04:59][Game Launcher/INFO] *** Make shell command ***
[10:04:59][Game Launcher/INFO] On making head command.
[10:05:00][Game Launcher/ERROR] Failed to append jvm arguments when searching for asset objects.
java.io.FileNotFoundException: File '/Users/zhaory/Library/Application Support/minecraft/assets/indexes/legacy.json' does not exist
at org.jackhuang.hellominecraft.launcher.cK.a(SourceFile:253)
at org.jackhuang.hellominecraft.launcher.cH.a(SourceFile:207)
at org.jackhuang.hellominecraft.launcher.cP.a(SourceFile:35)
at org.jackhuang.hellominecraft.launcher.q.b(SourceFile:112)
at org.jackhuang.hellominecraft.launcher.o.a(SourceFile:55)
at org.jackhuang.hellominecraft.launcher.o.a(SourceFile:84)
at org.jackhuang.hellominecraft.launcher.h.a(SourceFile:178)
at org.jackhuang.hellominecraft.launcher.k.run(SourceFile:85)
[10:05:00][Game Launcher/INFO] On making java.library.path.
[10:05:00][Game Launcher/INFO] On making launcher args.
Last exception has thrown by Thread[Game Launcher,6,main] on 2.1.3
java.lang.NullPointerException
at org.jackhuang.hellominecraft.launcher.o.a(SourceFile:104)
at org.jackhuang.hellominecraft.launcher.h.a(SourceFile:178)
at org.jackhuang.hellominecraft.launcher.k.run(SourceFile:85)
@huanghongxun20