diff --git a/designer-form/src/main/java/com/fr/design/widget/ui/designer/mobile/ParaMobileDefinePane.java b/designer-form/src/main/java/com/fr/design/widget/ui/designer/mobile/ParaMobileDefinePane.java
index 43931467c..b924b5c55 100644
--- a/designer-form/src/main/java/com/fr/design/widget/ui/designer/mobile/ParaMobileDefinePane.java
+++ b/designer-form/src/main/java/com/fr/design/widget/ui/designer/mobile/ParaMobileDefinePane.java
@@ -38,7 +38,6 @@ import java.awt.event.ItemListener;
 import java.awt.event.MouseAdapter;
 import java.awt.event.MouseEvent;
 import java.net.URI;
-import java.util.Iterator;
 import java.util.Set;
 
 /**