REPORT-78472【迭代】【起始页】不打开任何报表启动，点控件管理保存报错npe

npe 处理

designer-realize/src/main/java/com/fr/design/actions/server/WidgetManagerAction.java

@@ -1,16 +1,15 @@
 package com.fr.design.actions.server;
 
-import com.fr.base.svg.IconUtils;
 import com.fr.design.DesignModelAdapter;
 import com.fr.design.actions.UpdateAction;
 import com.fr.design.dialog.BasicDialog;
 import com.fr.design.dialog.DialogActionAdapter;
 import com.fr.design.mainframe.DesignerContext;
 import com.fr.design.mainframe.DesignerFrame;
+import com.fr.design.mainframe.JTemplate;
 import com.fr.design.menu.MenuKeySet;
 import com.fr.design.webattr.WidgetManagerPane;
 import com.fr.form.ui.WidgetInfoConfig;
-
 import com.fr.transaction.CallBackAdaptor;
 import com.fr.transaction.Configurations;
 import com.fr.transaction.WorkerFacade;
@@ -61,7 +60,10 @@ public class WidgetManagerAction extends UpdateAction {
                         if (model != null) {
                             model.widgetConfigChanged();
                         }
-                        designerFrame.getSelectedJTemplate().refreshToolArea();
+                        JTemplate<?, ?> jt = designerFrame.getSelectedJTemplate();
+                        if (JTemplate.isValid(jt)) {
+                            jt.refreshToolArea();
+                        }
                     }
                 }));
             }