diff --git a/designer-realize/src/main/java/com/fr/design/sort/common/AbstractSortItemPane.java b/designer-realize/src/main/java/com/fr/design/sort/common/AbstractSortItemPane.java
index 82d14bb7ec..a5fec3f473 100644
--- a/designer-realize/src/main/java/com/fr/design/sort/common/AbstractSortItemPane.java
+++ b/designer-realize/src/main/java/com/fr/design/sort/common/AbstractSortItemPane.java
@@ -82,8 +82,7 @@ public abstract class AbstractSortItemPane extends JPanel {
                     if (currentSortExpressionPane != null) {
                         currentSortExpressionPane.setVisible(false);
                     }
-                    currentSortExpressionPane = sortExpressionPanes.get(sortBasisUiComboBox.getSelectedIndex());
-                    refreshCurrentSortExpressionPane();
+                    triggerItemChanged(sortBasisUiComboBox.getSelectedIndex());
                 }
             }
         });
@@ -97,6 +96,11 @@ public abstract class AbstractSortItemPane extends JPanel {
         }
     }
 
+    void triggerItemChanged(Integer index) {
+        currentSortExpressionPane = sortExpressionPanes.get(index);
+        refreshCurrentSortExpressionPane();
+    }
+
     private void refreshCurrentSortExpressionPane() {
         currentSortExpressionPane.setVisible(true);
         sortAreaPane.setVisible(currentSortExpressionPane.needSortArea());
diff --git a/designer-realize/src/main/java/com/fr/design/sort/common/SortColumnRowPane.java b/designer-realize/src/main/java/com/fr/design/sort/common/SortColumnRowPane.java
index 67a9aaff1b..653ce86c8c 100644
--- a/designer-realize/src/main/java/com/fr/design/sort/common/SortColumnRowPane.java
+++ b/designer-realize/src/main/java/com/fr/design/sort/common/SortColumnRowPane.java
@@ -240,7 +240,9 @@ public class SortColumnRowPane extends JPanel implements UIObserver {
                     for (ColumnRow headerColumnRow : disableHeaderCellsStyleMap.keySet()) {
                         TemplateCellElement headerTemplateCellElement
                                 = elementCase.getTemplateCellElement(headerColumnRow.column, headerColumnRow.row);
-                        headerTemplateCellElement.setStyle(disableHeaderCellsStyleMap.get(headerColumnRow));
+                        if (headerTemplateCellElement != null) {
+                            headerTemplateCellElement.setStyle(disableHeaderCellsStyleMap.get(headerColumnRow));
+                        }
                     }
                     for (TemplateCellElement templateCellElement : tempHeaderCells) {
                         elementCase.removeCellElement(templateCellElement);
diff --git a/designer-realize/src/main/java/com/fr/design/sort/expressionpane/CustomSequencePane.java b/designer-realize/src/main/java/com/fr/design/sort/expressionpane/CustomSequencePane.java
index 34fca093b2..3a5b9641fb 100644
--- a/designer-realize/src/main/java/com/fr/design/sort/expressionpane/CustomSequencePane.java
+++ b/designer-realize/src/main/java/com/fr/design/sort/expressionpane/CustomSequencePane.java
@@ -43,7 +43,8 @@ public class CustomSequencePane extends JPanel {
                     @Override
                     public void doOk() {
                         customSequence = customSequenceEditPane.updateBean();
-                        textField.setText(CustomSequenceSortExpression.customSequenceToString(customSequence, ","));
+                        triggerOk(CustomSequenceSortExpression.customSequenceToString(customSequence, ","),
+                                CustomSequenceSortExpression.isReferenceCustomSequence(customSequence));
                     }
                 }, new Dimension(700, 400)).setVisible(true);
             }
@@ -54,6 +55,9 @@ public class CustomSequencePane extends JPanel {
         this.add(button);
     }
 
+    private void triggerOk(String customSequence, Boolean referenceCustomSequence) {
+        textField.setText(customSequence);
+    }
 
     public List<String> updateBean() {
         return customSequence;
diff --git a/designer-realize/src/main/java/com/fr/design/sort/header/HeaderAreaPane.java b/designer-realize/src/main/java/com/fr/design/sort/header/HeaderAreaPane.java
index 5ae972dbc6..4f4617053b 100644
--- a/designer-realize/src/main/java/com/fr/design/sort/header/HeaderAreaPane.java
+++ b/designer-realize/src/main/java/com/fr/design/sort/header/HeaderAreaPane.java
@@ -113,7 +113,7 @@ public class HeaderAreaPane extends JPanel {
         SortColumnRowPane columnRowPane;
         JLayeredPane jLayeredPane;
         UIComboBox uiComboBox;
-        boolean populateBeaning;
+        boolean showHeaderArea;
 
         AreaJLayeredPane() {
             this.setLayout(new FlowLayout(FlowLayout.LEFT, 0, 0));
@@ -132,36 +132,37 @@ public class HeaderAreaPane extends JPanel {
             uiComboBox.addItemListener(new ItemListener() {
                 @Override
                 public void itemStateChanged(ItemEvent e) {
-                    if (e.getStateChange() != uiComboBox.getSelectedIndex()) {
-                        setSortColumnRowPaneShow(uiComboBox.getSelectedIndex() == 1);
+                    if ((showHeaderArea ? 1 : 0) != uiComboBox.getSelectedIndex()) {
+                        triggerItemChanged(uiComboBox.getSelectedIndex());
                     }
-
                 }
-
-
             });
             uiComboBox.setEnabled(false);
         }
 
+        void triggerItemChanged(Integer index) {
+            setSortColumnRowPaneShow(index == 1);
+            if (index == 1) {
+                ColumnRow columnRow = columnRowPane.updateBean();
+                if (cellSelectionManager.isNotSelectables(columnRow)) {
+                    columnRowPane.setColumnRow(ColumnRow.ERROR);
+                } else {
+                    cellSelectionManager.addNotSelectables(columnRow);
+                }
+            } else {
+                cellSelectionManager.removeNotSelectables(columnRowPane.updateBean());
+            }
+        }
+
         void setSortColumnRowPaneShow(boolean show) {
             if (show) {
                 jLayeredPane.setLayer(columnRowPane, JLayeredPane.POPUP_LAYER);
                 jLayeredPane.setLayer(uiComboBox, JLayeredPane.MODAL_LAYER);
-                if (!populateBeaning) {
-                    ColumnRow columnRow = columnRowPane.updateBean();
-                    if (cellSelectionManager.isNotSelectables(columnRow)) {
-                        columnRowPane.setColumnRow(ColumnRow.ERROR);
-                    } else {
-                        cellSelectionManager.addNotSelectables(columnRow);
-                    }
-                }
             } else {
                 jLayeredPane.setLayer(uiComboBox, JLayeredPane.POPUP_LAYER);
                 jLayeredPane.setLayer(columnRowPane, JLayeredPane.MODAL_LAYER);
-                if (!populateBeaning) {
-                    cellSelectionManager.removeNotSelectables(columnRowPane.updateBean());
-                }
             }
+            showHeaderArea = show;
             refresh();
         }
 
@@ -175,16 +176,11 @@ public class HeaderAreaPane extends JPanel {
         }
 
         public void populateBean(ColumnRow columnRow, boolean showHeaderArea, boolean enabled) {
-            populateBeaning = true;
             cellSelectionManager.build();
             columnRowPane.populateBean(columnRow, enabled, cellSelectionManager);
-            if (showHeaderArea) {
-                uiComboBox.setSelectedIndex(1);
-            } else {
-                uiComboBox.setSelectedIndex(0);
-            }
+            setSortColumnRowPaneShow(showHeaderArea);
+            uiComboBox.setSelectedIndex(showHeaderArea ? 1 : 0);
             uiComboBox.setEnabled(enabled);
-            populateBeaning = false;
         }
 
         public ColumnRow updateBean() {