diff --git a/designer-form/src/main/java/com/fr/design/mainframe/FormDesigner.java b/designer-form/src/main/java/com/fr/design/mainframe/FormDesigner.java
index ba26806e9..200eced17 100644
--- a/designer-form/src/main/java/com/fr/design/mainframe/FormDesigner.java
+++ b/designer-form/src/main/java/com/fr/design/mainframe/FormDesigner.java
@@ -1350,7 +1350,7 @@ public class FormDesigner extends TargetComponent<Form> implements TreeSelection
     // 当前选中控件可以下移一层吗？
     public boolean isCurrentComponentMovableDown() {
         XCreator creator = getSelectionModel().getSelection().getSelectedCreator();
-        if (creator == null) {
+        if (null == creator) {
             return false;
         }
         XLayoutContainer container = (XLayoutContainer) creator.getParent();