diff --git a/designer-base/src/main/java/com/fr/design/gui/icombobox/TableSearchTreeComboBox.java b/designer-base/src/main/java/com/fr/design/gui/icombobox/TableSearchTreeComboBox.java
index 27cdc17283..7198eeef09 100644
--- a/designer-base/src/main/java/com/fr/design/gui/icombobox/TableSearchTreeComboBox.java
+++ b/designer-base/src/main/java/com/fr/design/gui/icombobox/TableSearchTreeComboBox.java
@@ -185,7 +185,7 @@ public class TableSearchTreeComboBox extends FRTreeComboBox {
         }
     };
 
-    protected void initPopupListener() {
+    private void initPopupListener() {
         // 点击下拉时触发模糊搜索
         this.addPopupMenuListener(new PopupMenuListener() {