diff --git a/designer-form/src/main/java/com/fr/design/form/util/FormDesignerUtils.java b/designer-form/src/main/java/com/fr/design/form/util/FormDesignerUtils.java
index ded4e7c99..4c1f9304b 100644
--- a/designer-form/src/main/java/com/fr/design/form/util/FormDesignerUtils.java
+++ b/designer-form/src/main/java/com/fr/design/form/util/FormDesignerUtils.java
@@ -36,6 +36,9 @@ public class FormDesignerUtils {
      * @return
      */
     public static boolean isBodyAbsolute(FormDesigner designer) {
+        if (!designer.getRootComponent().acceptType(XWFitLayout.class)) {
+            return false;
+        }
         WFitLayout root = ((WFitLayout) designer.getRootComponent().toData());
         return root.getBodyLayoutType() == com.fr.form.ui.container.WBodyLayoutType.ABSOLUTE;
     }