为什么使用美化包会报这样的错误？？

Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException
at org.jb2011.lnf.beautyeye.ch1_titlepane.BETitlePane.paintComponent(BETitlePane.java:1018)
at java.desktop/javax.swing.JComponent.paint(Unknown Source)
at java.desktop/javax.swing.JComponent.paintChildren(Unknown Source)
at java.desktop/javax.swing.JComponent.paint(Unknown Source)
at java.desktop/javax.swing.JLayeredPane.paint(Unknown Source)
at java.desktop/javax.swing.JComponent.paintChildren(Unknown Source)
at java.desktop/javax.swing.JComponent.paintToOffscreen(Unknown Source)
at java.desktop/javax.swing.RepaintManager$PaintManager.paintDoubleBufferedFPScales(Unknown Source)
at java.desktop/javax.swing.RepaintManager$PaintManager.paintDoubleBuffered(Unknown Source)
at java.desktop/javax.swing.RepaintManager$PaintManager.paint(Unknown Source)
at java.desktop/javax.swing.RepaintManager.paint(Unknown Source)
at java.desktop/javax.swing.JComponent.paint(Unknown Source)
at java.desktop/java.awt.GraphicsCallback$PaintCallback.run(Unknown Source)
at java.desktop/sun.awt.SunGraphicsCallback.runOneComponent(Unknown Source)
at java.desktop/sun.awt.SunGraphicsCallback.runComponents(Unknown Source)
at java.desktop/java.awt.Container.paint(Unknown Source)
at java.desktop/java.awt.Window.paint(Unknown Source)
at java.desktop/javax.swing.RepaintManager$4.run(Unknown Source)
at java.desktop/javax.swing.RepaintManager$4.run(Unknown Source)
at java.base/java.security.AccessController.doPrivileged(Native Method)
at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
at java.desktop/javax.swing.RepaintManager.paintDirtyRegions(Unknown Source)
at java.desktop/javax.swing.RepaintManager.paintDirtyRegions(Unknown Source)
at java.desktop/javax.swing.RepaintManager.prePaintDirtyRegions(Unknown Source)
at java.desktop/javax.swing.RepaintManager.access$1200(Unknown Source)
at java.desktop/javax.swing.RepaintManager$ProcessingRunnable.run(Unknown Source)
at java.desktop/java.awt.event.InvocationEvent.dispatch(Unknown Source)
at java.desktop/java.awt.EventQueue.dispatchEventImpl(Unknown Source)
at java.desktop/java.awt.EventQueue.access$600(Unknown Source)
at java.desktop/java.awt.EventQueue$4.run(Unknown Source)
at java.desktop/java.awt.EventQueue$4.run(Unknown Source)
at java.base/java.security.AccessController.doPrivileged(Native Method)
at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
at java.desktop/java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.desktop/java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.desktop/java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.desktop/java.awt.EventDispatchThread.run(Unknown Source)
Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException
at org.jb2011.lnf.beautyeye.ch1_titlepane.BETitlePane.paintComponent(BETitlePane.java:1018)
at java.desktop/javax.swing.JComponent.paint(Unknown Source)
at java.desktop/javax.swing.JComponent.paintChildren(Unknown Source)
at java.desktop/javax.swing.JComponent.paint(Unknown Source)
at java.desktop/javax.swing.JLayeredPane.paint(Unknown Source)
at java.desktop/javax.swing.JComponent.paintChildren(Unknown Source)
at java.desktop/javax.swing.JComponent.paint(Unknown Source)
at java.desktop/javax.swing.JComponent.paintToOffscreen(Unknown Source)
at java.desktop/javax.swing.RepaintManager$PaintManager.paintDoubleBufferedFPScales(Unknown Source)
at java.desktop/javax.swing.RepaintManager$PaintManager.paintDoubleBuffered(Unknown Source)
at java.desktop/javax.swing.RepaintManager$PaintManager.paint(Unknown Source)
at java.desktop/javax.swing.RepaintManager.paint(Unknown Source)
at java.desktop/javax.swing.JComponent._paintImmediately(Unknown Source)
at java.desktop/javax.swing.JComponent.paintImmediately(Unknown Source)
at java.desktop/javax.swing.RepaintManager$4.run(Unknown Source)
at java.desktop/javax.swing.RepaintManager$4.run(Unknown Source)
at java.base/java.security.AccessController.doPrivileged(Native Method)
at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
at java.desktop/javax.swing.RepaintManager.paintDirtyRegions(Unknown Source)
at java.desktop/javax.swing.RepaintManager.paintDirtyRegions(Unknown Source)
at java.desktop/javax.swing.RepaintManager.prePaintDirtyRegions(Unknown Source)
at java.desktop/javax.swing.RepaintManager.access$1200(Unknown Source)
at java.desktop/javax.swing.RepaintManager$ProcessingRunnable.run(Unknown Source)
at java.desktop/java.awt.event.InvocationEvent.dispatch(Unknown Source)
at java.desktop/java.awt.EventQueue.dispatchEventImpl(Unknown Source)
at java.desktop/java.awt.EventQueue.access$600(Unknown Source)
at java.desktop/java.awt.EventQueue$4.run(Unknown Source)
at java.desktop/java.awt.EventQueue$4.run(Unknown Source)
at java.base/java.security.AccessController.doPrivileged(Native Method)
at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
at java.desktop/java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.desktop/java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.desktop/java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.desktop/java.awt.EventDispatchThread.run(Unknown Source)
Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException
at org.jb2011.lnf.beautyeye.ch1_titlepane.BETitlePane.paintComponent(BETitlePane.java:1018)
at java.desktop/javax.swing.JComponent.paint(Unknown Source)
at java.desktop/javax.swing.JComponent.paintChildren(Unknown Source)
at java.desktop/javax.swing.JComponent.paint(Unknown Source)
at java.desktop/javax.swing.JLayeredPane.paint(Unknown Source)
at java.desktop/javax.swing.JComponent.paintChildren(Unknown Source)
at java.desktop/javax.swing.JComponent.paint(Unknown Source)
at java.desktop/javax.swing.JComponent.paintToOffscreen(Unknown Source)
at java.desktop/javax.swing.RepaintManager$PaintManager.paintDoubleBufferedFPScales(Unknown Source)
at java.desktop/javax.swing.RepaintManager$PaintManager.paintDoubleBuffered(Unknown Source)
at java.desktop/javax.swing.RepaintManager$PaintManager.paint(Unknown Source)
at java.desktop/javax.swing.RepaintManager.paint(Unknown Source)
at java.desktop/javax.swing.JComponent._paintImmediately(Unknown Source)
at java.desktop/javax.swing.JComponent.paintImmediately(Unknown Source)
at java.desktop/javax.swing.RepaintManager$4.run(Unknown Source)
at java.desktop/javax.swing.RepaintManager$4.run(Unknown Source)
at java.base/java.security.AccessController.doPrivileged(Native Method)
at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
at java.desktop/javax.swing.RepaintManager.paintDirtyRegions(Unknown Source)
at java.desktop/javax.swing.RepaintManager.paintDirtyRegions(Unknown Source)
at java.desktop/javax.swing.RepaintManager.prePaintDirtyRegions(Unknown Source)
at java.desktop/javax.swing.RepaintManager.access$1200(Unknown Source)
at java.desktop/javax.swing.RepaintManager$ProcessingRunnable.run(Unknown Source)
at java.desktop/java.awt.event.InvocationEvent.dispatch(Unknown Source)
at java.desktop/java.awt.EventQueue.dispatchEventImpl(Unknown Source)
at java.desktop/java.awt.EventQueue.access$600(Unknown Source)
at java.desktop/java.awt.EventQueue$4.run(Unknown Source)
at java.desktop/java.awt.EventQueue$4.run(Unknown Source)
at java.base/java.security.AccessController.doPrivileged(Native Method)
at java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
at java.desktop/java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.desktop/java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.desktop/java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.desktop/java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.desktop/java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.desktop/java.awt.EventDispatchThread.run(Unknown Source)

看一下报错那一行的源码