各位大神，我的finereport designer在mac上启动之前是ok的，但是今天启动不了，电脑屏幕上一直悬浮着finereport启动的图片页面，生成的报错日志error.txt文件内容如下，java版本是1.8， finereport版本是最新的8.0，我卸载重装问题还是一样，请各位帮忙看看是什么原因，怎么解决，谢谢大家了。
java.lang.StringIndexOutOfBoundsException: String index out of range: -8
at java.lang.String.substring(String.java:1955)
at com.fr.env.EnvListPane$RemoteEnvPane.populateBean(Unknown Source)
at com.fr.env.EnvListPane$RemoteEnvPane.populateBean(Unknown Source)
at com.fr.design.gui.controlpane.JListControlPane$JControlUpdatePane.populate(Unknown Source)
at com.fr.design.gui.controlpane.JListControlPane$1.valueChanged(Unknown Source)
at javax.swing.JList.fireSelectionValueChanged(JList.java:1796)
at javax.swing.JList$ListSelectionHandler.valueChanged(JList.java:1810)
at javax.swing.DefaultListSelectionModel.fireValueChanged(DefaultListSelectionModel.java:184)
at javax.swing.DefaultListSelectionModel.fireValueChanged(DefaultListSelectionModel.java:164)
at javax.swing.DefaultListSelectionModel.fireValueChanged(DefaultListSelectionModel.java:211)
at javax.swing.DefaultListSelectionModel.changeSelection(DefaultListSelectionModel.java:405)
at javax.swing.DefaultListSelectionModel.changeSelection(DefaultListSelectionModel.java:415)
at javax.swing.DefaultListSelectionModel.setSelectionInterval(DefaultListSelectionModel.java:459)
at javax.swing.JList.setSelectedIndex(JList.java:2210)
at com.fr.design.gui.controlpane.JListControlPane.setSelectedName(Unknown Source)
at com.fr.env.EnvListPane.populateEnvManager(Unknown Source)
at com.fr.design.mainframe.TemplatePane.dealEvnExceptionWhenStartDesigner(Unknown Source)
at com.fr.start.BaseDesigner.switch2LastEnv(Unknown Source)
at com.fr.start.BaseDesigner.(Unknown Source)
at com.fr.start.Designer.(Unknown Source)
at com.fr.start.Designer.main(Unknown Source)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at com.exe4j.runtime.LauncherEngine.launch(LauncherEngine.java:65)
at com.install4j.runtime.launcher.MacLauncher.main(MacLauncher.java:67)
