diff --git a/designer-base/src/main/java/com/fr/design/fun/MultiTemplateTabPaneHandler.java b/designer-base/src/main/java/com/fr/design/fun/MultiTemplateTabPaneHandler.java
index f14bf809ef..c431cadaf3 100644
--- a/designer-base/src/main/java/com/fr/design/fun/MultiTemplateTabPaneHandler.java
+++ b/designer-base/src/main/java/com/fr/design/fun/MultiTemplateTabPaneHandler.java
@@ -12,7 +12,7 @@ import com.fr.stable.fun.mark.Mutable;
  */
 public interface MultiTemplateTabPaneHandler extends Mutable {
 
-    String MARK_STRING = "MultiTemplateToolButtonHandler";
+    String MARK_STRING = "MultiTemplateTabPaneHandler";
 
     int CURRENT_LEVEL = 1;