diff --git a/designer-base/src/main/java/com/fr/design/mainframe/theme/utils/DefaultThemedTemplateCellElementCase.java b/designer-base/src/main/java/com/fr/design/mainframe/theme/utils/DefaultThemedTemplateCellElementCase.java
index 64aaeb9c0..123875eef 100644
--- a/designer-base/src/main/java/com/fr/design/mainframe/theme/utils/DefaultThemedTemplateCellElementCase.java
+++ b/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) {