LCP: ;C:\Users\Administrator\AppData\Roaming\.minecraft\bin\minecraft.jar;bin/jinput.jar;bin/lwjgl.jar;bin/lwjgl_util.jar
  MainClass: net.minecraft.client.Minecraft
java.lang.ClassNotFoundException: net.minecraft.client.Minecraft
    at java.net.URLClassLoader$1.run(Unknown Source)
    at java.net.URLClassLoader$1.run(Unknown Source)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.net.URLClassLoader.findClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    at magic.launcher.Launcher.main(SourceFile:181)

正版的报告求大神解决啊

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