diff --git a/designer-realize/src/main/java/com/fr/design/mainframe/alphafine/component/AlphaFineDialog.java b/designer-realize/src/main/java/com/fr/design/mainframe/alphafine/component/AlphaFineDialog.java
index d9f06137c..82fee0c94 100644
--- a/designer-realize/src/main/java/com/fr/design/mainframe/alphafine/component/AlphaFineDialog.java
+++ b/designer-realize/src/main/java/com/fr/design/mainframe/alphafine/component/AlphaFineDialog.java
@@ -1333,7 +1333,7 @@ public class AlphaFineDialog extends UIDialog {
      */
     private void initBackPane() {
         backPane = new JPanel(new BorderLayout());
-        JLabel jLabel = new JLabel(com.fr.design.i18n.Toolkit.i18nText("Fine-Design_Report_AlphaFine_Back"));
+        JLabel jLabel = new JLabel(com.fr.design.i18n.Toolkit.i18nText("  <  " + "Fine-Design_Report_AlphaFine_Back"));
         jLabel.setPreferredSize(new Dimension(680, 20));
         jLabel.setFont(AlphaFineConstants.SMALL_FONT);
         jLabel.setForeground(AlphaFineConstants.DARK_GRAY);
diff --git a/designer-realize/src/main/java/com/fr/design/mainframe/alphafine/search/manager/impl/SegmentationManager.java b/designer-realize/src/main/java/com/fr/design/mainframe/alphafine/search/manager/impl/SegmentationManager.java
index 908d1b1f6..b64093c91 100644
--- a/designer-realize/src/main/java/com/fr/design/mainframe/alphafine/search/manager/impl/SegmentationManager.java
+++ b/designer-realize/src/main/java/com/fr/design/mainframe/alphafine/search/manager/impl/SegmentationManager.java
@@ -56,7 +56,7 @@ public class SegmentationManager {
     public String[] startSegmentation(String searchText) {
         Pattern p = Pattern.compile(AlphaFineConstants.SPECIAL_CHARACTER_REGEX);
         Matcher m = p.matcher(searchText);
-        searchText = m.replaceAll("").trim().replaceAll(" ", "");
+        searchText = m.replaceAll(StringUtils.EMPTY).trim().replaceAll(StringUtils.BLANK, StringUtils.EMPTY);
         if (StringUtils.isEmpty(searchText)) {
             return null;
         }