swing 皮肤substance 6.0的使用问题，在netBeans6.8中运行没问题。但是打包生成.jar以后运行就有问题

我在程序中用了substance6.0皮肤

这个是我在netbeans6.8中运行的效果



但是我到生成.jar文件后运行就包以下错误i

F:\java\sunyan\dist>java -jar sunyan.jar

java.lang.NullPointerException

at org.pushingpixels.substance.internal.utils.SubstanceColorUtilities.ge

tDefaultBackgroundColor(SubstanceColorUtilities.java:828)

at org.pushingpixels.substance.internal.utils.SubstanceColorUtilities.ge

tBackgroundFillColor(SubstanceColorUtilities.java:731)

at org.pushingpixels.substance.internal.ui.SubstancePanelUI.__org__pushi

ngpixels__substance__internal__ui__SubstancePanelUI__installDefaults(SubstancePa

nelUI.java:73)

at org.pushingpixels.substance.internal.ui.SubstancePanelUI.installDefau

lts(SubstancePanelUI.java)

at javax.swing.plaf.basic.BasicPanelUI.installUI(Unknown Source)

at org.pushingpixels.substance.internal.ui.SubstancePanelUI.__org__pushi

ngpixels__substance__internal__ui__SubstancePanelUI__installUI(SubstancePanelUI.

java)

at org.pushingpixels.substance.internal.ui.SubstancePanelUI.installUI(Su

bstancePanelUI.java)

at javax.swing.JComponent.setUI(Unknown Source)

at javax.swing.JPanel.setUI(Unknown Source)

at javax.swing.JPanel.updateUI(Unknown Source)

at javax.swing.SwingUtilities.updateComponentTreeUI0(Unknown Source)

at javax.swing.SwingUtilities.updateComponentTreeUI0(Unknown Source)

at javax.swing.SwingUtilities.updateComponentTreeUI0(Unknown Source)

at javax.swing.SwingUtilities.updateComponentTreeUI(Unknown Source)

at org.pushingpixels.substance.api.SubstanceLookAndFeel.setSkin(Substanc

eLookAndFeel.java:1995)

at org.pushingpixels.substance.api.SubstanceLookAndFeel.setSkin(Substanc

eLookAndFeel.java:2086)

at wxgg.jiemian.WelComeWindow$1.run(WelComeWindow.java:132)

at java.awt.event.InvocationEvent.dispatch(Unknown Source)

at java.awt.EventQueue.dispatchEvent(Unknown Source)

at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)

at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)

at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)

at java.awt.EventDispatchThread.pumpEvents(Unknown Source)

at java.awt.EventDispatchThread.pumpEvents(Unknown Source)

at java.awt.EventDispatchThread.run(Unknown Source)

为什么呢？？？？？