diff --git a/designer-base/src/main/java/com/fr/design/formula/FormulaPane.java b/designer-base/src/main/java/com/fr/design/formula/FormulaPane.java
index 9259248ac..305b580d0 100644
--- a/designer-base/src/main/java/com/fr/design/formula/FormulaPane.java
+++ b/designer-base/src/main/java/com/fr/design/formula/FormulaPane.java
@@ -246,44 +246,71 @@ public class FormulaPane extends BasicPane implements KeyListener, UIFormula {
     }
 
     public class DoubleClick extends MouseAdapter {
+        String singlePressContent;
+
+        String doublePressContent;
+
 
         @Override
-        public void mouseClicked(MouseEvent e) {
+        public void mousePressed(MouseEvent e) {
             int index = tipsList.getSelectedIndex();
             if (index != -1) {
-                String currentLineContent = (String) listModel.getElementAt(index);
-                if (e.getClickCount() == 2) {
-                    if (ifHasBeenWriten == 0) {
-                        formulaTextArea.setForeground(Color.black);
-                        formulaTextArea.setText("");
+                if (e.getClickCount() == 1) {
+                    singlePressContent = (String) listModel.getElementAt(index);
+                } else if (e.getClickCount() == 2) {
+                    doublePressContent = (String) listModel.getElementAt(index);
+                }
+            }
+        }
+
+        @Override
+        public void mouseReleased(MouseEvent e) {
+            int index = tipsList.getSelectedIndex();
+            if (index != -1) {
+                if (e.getClickCount() == 1) {
+                    if (ComparatorUtils.equals((String) listModel.getElementAt(index), singlePressContent)) {
+                        singleClickActuator(singlePressContent);
                     }
-                    formulaTextArea.setForeground(Color.black);
-                    currentPosition = formulaTextArea.getCaretPosition();
-                    String output = currentLineContent + "()";
-                    String textAll = formulaTextArea.getText();
-                    String textReplaced;
-                    int position = 0;
-                    if (insertPosition <= currentPosition) {
-                        textReplaced = textAll.substring(0, insertPosition) + output + textAll.substring(currentPosition);
-                        position = insertPosition + output.length() - 1;
-                    } else {
-                        textReplaced = textAll.substring(0, currentPosition) + output + textAll.substring(insertPosition);
-                        position = currentPosition + output.length() - 1;
+                } else if (e.getClickCount() == 2) {
+                    if (ComparatorUtils.equals((String) listModel.getElementAt(index), doublePressContent)) {
+                        doubleClickActuator(doublePressContent);
                     }
-                    formulaTextArea.setText(textReplaced);
-                    formulaTextArea.requestFocusInWindow();
-                    formulaTextArea.setCaretPosition(position);
-                    insertPosition = position;
-                    ifHasBeenWriten = 1;
-                    listModel.removeAllElements();
-                } else if (e.getClickCount() == 1) {
-                    refreshDescriptionTextArea(currentLineContent);
-
-                    formulaTextArea.requestFocusInWindow();
-                    fixFunctionNameList();
                 }
             }
         }
+
+        private void singleClickActuator(String currentLineContent) {
+            refreshDescriptionTextArea(currentLineContent);
+
+            formulaTextArea.requestFocusInWindow();
+            fixFunctionNameList();
+        }
+
+        private void doubleClickActuator(String currentLineContent) {
+            if (ifHasBeenWriten == 0) {
+                formulaTextArea.setForeground(Color.black);
+                formulaTextArea.setText("");
+            }
+            formulaTextArea.setForeground(Color.black);
+            currentPosition = formulaTextArea.getCaretPosition();
+            String output = currentLineContent + "()";
+            String textAll = formulaTextArea.getText();
+            String textReplaced;
+            int position = 0;
+            if (insertPosition <= currentPosition) {
+                textReplaced = textAll.substring(0, insertPosition) + output + textAll.substring(currentPosition);
+                position = insertPosition + output.length() - 1;
+            } else {
+                textReplaced = textAll.substring(0, currentPosition) + output + textAll.substring(insertPosition);
+                position = currentPosition + output.length() - 1;
+            }
+            formulaTextArea.setText(textReplaced);
+            formulaTextArea.requestFocusInWindow();
+            formulaTextArea.setCaretPosition(position);
+            insertPosition = position;
+            ifHasBeenWriten = 1;
+            listModel.removeAllElements();
+        }
     }
 
     @Override
@@ -583,10 +610,10 @@ public class FormulaPane extends BasicPane implements KeyListener, UIFormula {
                 FineJOptionPane.showMessageDialog(
                         FormulaPane.this,
                         /*
-                        * alex:仅仅只需要根据expression是否为null作合法性判断
-                        * 不需要eval
-                        * TODO 但有个问题,有些函数的参数个数是有规定的,何以判别之
-                        */
+                         * alex:仅仅只需要根据expression是否为null作合法性判断
+                         * 不需要eval
+                         * TODO 但有个问题,有些函数的参数个数是有规定的,何以判别之
+                         */
                         (expression != null ? com.fr.design.i18n.Toolkit.i18nText("Fine-Design_Basic_FormulaD_Valid_Formula") : com.fr.design.i18n.Toolkit.i18nText("Fine-Design_Basic_FormulaD_Invalid_Formula")) + ".",
                         com.fr.design.i18n.Toolkit.i18nText("Fine-Design_Basic_Tool_Tips"),
                         JOptionPane.INFORMATION_MESSAGE);
@@ -780,13 +807,13 @@ public class FormulaPane extends BasicPane implements KeyListener, UIFormula {
                 public void valueChanged(TreeSelectionEvent e) {
                     DefaultMutableTreeNode selectedTreeNode = (DefaultMutableTreeNode) variablesTree.getLastSelectedPathComponent();
                     Object selectedValue = selectedTreeNode.getUserObject();
-                    Object selectedParentValue = ((DefaultMutableTreeNode)selectedTreeNode.getParent()).getUserObject();
+                    Object selectedParentValue = ((DefaultMutableTreeNode) selectedTreeNode.getParent()).getUserObject();
 
                     if (selectedValue == null) {
                         return;
                     }
 
-                    if (selectedValue instanceof  TextUserObject) {
+                    if (selectedValue instanceof TextUserObject) {
                         //有公式说明的条件：1.属于TextUserObject 2.parent是系统参数
                         if (ComparatorUtils.equals(((TextFolderUserObject) selectedParentValue).getText(),
                                 com.fr.design.i18n.Toolkit.i18nText("Fine-Design_Basic_FormulaPane_Variables"))) {