点击guide后，出现以下内容，看不懂，这是怎么回事啊？求高手~

??? Java exception occurred:

java.lang.NullPointerException

at com.mathworks.toolbox.matlab.guide.template.QuickStartPanel.buildTemplateListPanel(QuickStartPanel.java:291)

at com.mathworks.toolbox.matlab.guide.template.QuickStartPanel.buildTemplatePanel(QuickStartPanel.java:261)

at com.mathworks.toolbox.matlab.guide.template.QuickStartPanel.populateDialog(QuickStartPanel.java:216)

at com.mathworks.toolbox.matlab.guide.template.QuickStartPanel.doInit(QuickStartPanel.java:206)

at com.mathworks.toolbox.matlab.guide.template.QuickStartPanel.(QuickStartPanel.java:128)

at com.mathworks.toolbox.matlab.guide.template.QuickStartPanel.(QuickStartPanel.java:77)

at com.mathworks.toolbox.matlab.guide.template.QuickStartPanel$1.runWithOutput(QuickStartPanel.java:149)

at com.mathworks.jmi.AWTUtilities$Invoker$2.watchedRun(AWTUtilities.java:446)

at com.mathworks.jmi.AWTUtilities$WatchedRunnable.run(AWTUtilities.java:409)

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)

Error in ==> guidetemplate at 18

quickstartpanel = QuickStartPanel.create(origin);

Error in ==> guide at 69

guidetemplate;

File D:\programs\实用软件\matlab.win32\matlab\toolbox\matlab\guide\templateinfo.xml could not be parsed successfully.

java.net.MalformedURLException: unknown protocol: d

at java.net.URL.(Unknown Source)

at java.net.URL.(Unknown Source)

at java.net.URL.(Unknown Source)

at org.apache.xerces.impl.XMLEntityManager.setupCurrentEntity(Unknown Source)

at org.apache.xerces.impl.XMLVersionDetector.determineDocVersion(Unknown Source)

at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)

at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)

at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)

at org.apache.xerces.parsers.DOMParser.parse(Unknown Source)

at org.apache.xerces.jaxp.DocumentBuilderImpl.parse(Unknown Source)

at javax.xml.parsers.DocumentBuilder.parse(Unknown Source)

at com.mathworks.toolbox.matlab.guide.template.TemplateParser.xmlParse(TemplateParser.java:68)

at com.mathworks.toolbox.matlab.guide.template.TemplateParser.parseTemplateInfo(TemplateParser.java:57)

at com.mathworks.toolbox.matlab.guide.template.QuickStartPanel.parseTemplate(QuickStartPanel.java:462)

at com.mathworks.toolbox.matlab.guide.template.QuickStartPanel.buildTemplateListPanel(QuickStartPanel.java:273)

at com.mathworks.toolbox.matlab.guide.template.QuickStartPanel.buildTemplatePanel(QuickStartPanel.java:261)

at com.mathworks.toolbox.matlab.guide.template.QuickStartPanel.populateDialog(QuickStartPanel.java:216)

at com.mathworks.toolbox.matlab.guide.template.QuickStartPanel.doInit(QuickStartPanel.java:206)

at com.mathworks.toolbox.matlab.guide.template.QuickStartPanel.(QuickStartPanel.java:128)

at com.mathworks.toolbox.matlab.guide.template.QuickStartPanel.(QuickStartPanel.java:77)

at com.mathworks.toolbox.matlab.guide.template.QuickStartPanel$1.runWithOutput(QuickStartPanel.java:149)

at com.mathworks.jmi.AWTUtilities$Invoker$2.watchedRun(AWTUtilities.java:446)

at com.mathworks.jmi.AWTUtilities$WatchedRunnable.run(AWTUtilities.java:409)

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)