diff --git a/designer-realize/src/main/java/com/fr/design/mainframe/alphafine/component/AlphaFineFrame.java b/designer-realize/src/main/java/com/fr/design/mainframe/alphafine/component/AlphaFineFrame.java
index d97710ef1..86edc6caa 100644
--- a/designer-realize/src/main/java/com/fr/design/mainframe/alphafine/component/AlphaFineFrame.java
+++ b/designer-realize/src/main/java/com/fr/design/mainframe/alphafine/component/AlphaFineFrame.java
@@ -282,6 +282,7 @@ public class AlphaFineFrame extends JFrame {
             @Override
             public void mousePressed(MouseEvent e) {
                 searchTextField.setText(StringUtils.EMPTY);
+                beforeSearchStr = StringUtils.EMPTY;
                 clearLabel.setVisible(false);
             }
         });
@@ -543,6 +544,8 @@ public class AlphaFineFrame extends JFrame {
                 if (StringUtils.isNotEmpty(searchTextField.getText())) {
                     clearLabel.setVisible(true);
                     SearchTooltipPopup.getInstance().show(searchTextFieldWrapperPane);
+                } else {
+                    beforeSearchStr = StringUtils.EMPTY;
                 }
                 AlphaFineToolTipList alphaFineToolTipList = SearchTooltipPopup.getInstance().getAlphaFineToolTipList();
                 if (e.getKeyCode() == KeyEvent.VK_ENTER) {