无JIRA任务 NPE

designer_form/src/com/fr/design/mainframe/CoverReportPane.java

@@ -62,6 +62,7 @@ public class CoverReportPane extends JPanel {
         editButton.setBackground(new Color(176, 196, 222));
         add(editButton);
         add(controlButton);
+        if (WidgetPropertyPane.getInstance().getEditingFormDesigner() != null) {
             WidgetPropertyPane.getInstance().getEditingFormDesigner().addDesignerEditListener(new DesignerEditListener() {
                 @Override
                 public void fireCreatorModified(DesignerEvent evt) {
@@ -72,6 +73,7 @@ public class CoverReportPane extends JPanel {
                 }
             });
         }
+    }
 
     public String getHelpMsg() {
         return helpMsg;