REPORT-78365【迭代】【起始页】不打开任何报表，普通报表聚合报表都新建失败

规避 npe

designer-base/src/main/java/com/fr/design/mainframe/theme/utils/DefaultThemedTemplateCellElementCase.java

@@ -33,7 +33,7 @@ public class DefaultThemedTemplateCellElementCase {
 
     private static DefaultTemplateCellElement themingCellElement(DefaultTemplateCellElement cellElement) {
         JTemplate<?,?> template = HistoryTemplateListCache.getInstance().getCurrentEditingTemplate();
-        if (template != null) {
+        if (JTemplate.isValid(template)) {
             TemplateTheme theme = template.getTemplateTheme();
             ThemedCellStyle themedCellStyle = theme.getCellStyleList().getUse4Default();
             if (themedCellStyle != null) {