Exceptions thrown when attempting to set Gradle options

There is an exception when setting the distribution address of gradle. Although the interface display has been changed, it is still not set successfully after restart. An exception was reported in the log.

java.lang.NullPointerException
at org.netbeans.modules.gradle.options.SettingsPanel.applyValues(SettingsPanel.java:768)
at org.netbeans.modules.gradle.options.GradleOptionsController.applyChanges(GradleOptionsController.java:53)
at org.netbeans.modules.options.TabbedController.applyChanges(TabbedController.java:111)
at org.netbeans.modules.options.CategoryModel$Category.applyChanges(CategoryModel.java:379)
at org.netbeans.modules.options.CategoryModel$Category.access$1100(CategoryModel.java:302)
at org.netbeans.modules.options.CategoryModel.save(CategoryModel.java:198)
at org.netbeans.modules.options.OptionsPanel.save(OptionsPanel.java:294)
at org.netbeans.modules.options.OptionsPanel.save(OptionsPanel.java:278)
at org.netbeans.modules.options.OptionsDisplayerImpl$OptionsPanelListener$3.run(OptionsDisplayerImpl.java:514)
at org.netbeans.modules.progress.ui.RunOffEDTImpl$3.run(RunOffEDTImpl.java:252)
at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1418)
at org.netbeans.modules.openide.util.GlobalLookup.execute(GlobalLookup.java:45)
at org.openide.util.lookup.Lookups.executeWith(Lookups.java:278)
[catch] at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2033)