修改

designer-form/src/main/java/com/fr/design/designer/beans/adapters/layout/FRFitLayoutAdapter.java

@@ -345,7 +345,7 @@ public class FRFitLayoutAdapter extends FRBodyLayoutAdapter {
         backupBound.x -= container.getX();
         // REPORT-34739 对绝对画布块的backupBound.y的调整还需要考虑一下参数面板块的高度造成的偏移
         int paraHeight = 0;
-        if (creator instanceof XWAbsoluteLayout) {
+        if (creator.acceptType(XWAbsoluteLayout.class)) {
             paraHeight = WidgetPropertyPane.getInstance().getEditingFormDesigner().getParaHeight();
         }
         backupBound.y -= (container.getY() - paraHeight);