diff --git a/designer-base/src/main/java/com/fr/design/file/filter/ClassFilter.java b/designer-base/src/main/java/com/fr/design/file/filter/ClassFilter.java
index d89c546a98..bfdeaa5117 100644
--- a/designer-base/src/main/java/com/fr/design/file/filter/ClassFilter.java
+++ b/designer-base/src/main/java/com/fr/design/file/filter/ClassFilter.java
@@ -25,6 +25,7 @@ public class ClassFilter implements Filter<String> {
     static {
         FILTER_SET.add("java.awt.image.BufferedImage");
         FILTER_SET.add("sun.awt.AppContext");
+        FILTER_SET.add("com.fr.poly.PolyDesigner");
     }
 
     @Override