quartus生成仿真模型时的问题

atuhappy

quartus 11.0 win7+64bit
在使用QSYS产生仿真模型时，产生如下错误。请问各位大侠，如何解决这个问题？谢谢

Error: An unexpected error occurred during Generate: com.altera.utilities.altNode.AltNodeException: C:/Users/AAA/AppData/Local/Temp/alt5213_2763478579479059763.dir/0023_device_libs/sim_library.spd does not exist
Debug: com.altera.utilities.altNode.AltNodeException: C:/Users/AAA/AppData/Local/Temp/alt5213_2763478579479059763.dir/0023_device_libs/sim_library.spd does not exist
at com.altera.utilities.altNode.AltNodeXML.xmlFromFileOrURL(AltNodeXML.java:105)
at com.altera.sopcmodel.sbtools.simscriptgen.ScriptUtils.getDeviceSpdFromQuartus(ScriptUtils.java:50)
at com.altera.sopcmodel.sbtools.simscriptgen.SimScriptGen.getDeviceCompilationEntries(SimScriptGen.java:233)
at com.altera.sopcmodel.sbtools.simscriptgen.SimScriptGen.populateBuilderFromSpdFiles(SimScriptGen.java:192)
at com.altera.sopcmodel.sbtools.simscriptgen.SimScriptGen.act(SimScriptGen.java:114)
at com.altera.utilities.AltCmdLineToolBase.runTheTool(AltCmdLineToolBase.java:452)
at com.altera.utilities.AltCmdLineToolBase.runTheTool(AltCmdLineToolBase.java:469)
at com.altera.sopceditor.tools.generation.QsysGenerationTask.createModelsimSetupScript(QsysGenerationTask.java:246)
at com.altera.sopceditor.tools.generation.QsysGenerationTask.run(QsysGenerationTask.java:93)
at com.altera.ui.app.base.EditorTaskRunner$12.run(EditorTaskRunner.java:461)
at com.altera.ui.app.base.ThreadRunner$1.run(ThreadRunner.java:65)
at java.lang.Thread.run(Unknown Source)