diff --git a/src/main/java/com/fanruan/api/design/work/ConnectionComboBoxPanel.java b/src/main/java/com/fanruan/api/design/work/ConnectionComboBoxPanel.java
index 047e38c..37770be 100644
--- a/src/main/java/com/fanruan/api/design/work/ConnectionComboBoxPanel.java
+++ b/src/main/java/com/fanruan/api/design/work/ConnectionComboBoxPanel.java
@@ -8,6 +8,7 @@ import com.fanruan.api.design.macro.DataSourceConstants;
 import com.fanruan.api.generic.Runner;
 import com.fanruan.api.util.AssistKit;
 import com.fanruan.api.util.StringKit;
+import com.fr.base.svg.IconUtils;
 import com.fr.data.impl.Connection;
 import com.fr.design.DesignerEnvManager;
 import com.fr.design.data.datapane.connect.ConnectionListPane;
@@ -15,14 +16,23 @@ import com.fr.design.data.datapane.connect.ConnectionShowPane;
 import com.fr.design.data.datapane.connect.ItemEditableComboBoxPanel;
 import com.fr.design.dialog.BasicDialog;
 import com.fr.design.dialog.DialogActionAdapter;
+import com.fr.design.editlock.ConnectionLockChangeChecker;
+import com.fr.design.editlock.EditLockUtils;
+import com.fr.design.gui.ibutton.UIButton;
+import com.fr.design.gui.ibutton.UILockButton;
 import com.fr.file.ConnectionConfig;
+import com.fr.report.LockItem;
 import com.fr.stable.NameReference;
+import com.fr.stable.StringUtils;
 import com.fr.transaction.WorkerCallBack;
 import com.fr.workspace.WorkContext;
 import com.fr.workspace.server.connection.DBConnectAuth;
 import org.jetbrains.annotations.Nullable;
 
-import javax.swing.*;
+import javax.swing.SwingUtilities;
+import java.awt.Dimension;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
 import java.awt.event.ItemEvent;
 import java.awt.event.ItemListener;
 import java.util.ArrayList;
@@ -54,6 +64,24 @@ public class ConnectionComboBoxPanel extends ItemEditableComboBoxPanel {
         refreshItems();
     }
 
+    @Override
+    protected UIButton initEditButton(UIButton editButton, Dimension buttonSize) {
+        editButton = new UILockButton(
+                EditLockUtils.CONNECTION_LOCKED_ICON,
+                IconUtils.readIcon("/com/fr/design/images/m_web/connection"),
+                EditLockUtils.CONNECTION_LOCKED_TOOLTIPS,
+                StringUtils.EMPTY
+        );
+        editButton.setPreferredSize(buttonSize);
+        editButton.addActionListener(new ActionListener() {
+            public void actionPerformed(ActionEvent evt) {
+                editItems();
+            }
+        });
+        ConnectionLockChangeChecker.getInstance().addEditLockChangeListener((UILockButton) editButton);
+        return editButton;
+    }
+
     protected Iterator<String> items() {
         nameList = new ArrayList<>();
         Iterator<String> nameIt = ConnectionKit.getConnections().keySet().iterator();
@@ -92,6 +120,14 @@ public class ConnectionComboBoxPanel extends ItemEditableComboBoxPanel {
 
 
     protected void editItems() {
+        // 尝试为数据连接加锁
+        boolean actionLock = EditLockUtils.lock(LockItem.CONNECTION);
+        if (!actionLock) {
+            // 锁定失败，代表已经被其他用户锁定，跳出弹窗提示
+            EditLockUtils.showLockMessage();
+            return;
+        }
+        // 锁定成功，执行后续操作
         final ConnectionListPane connectionListPane = new ConnectionListPane();
         final ConnectionConfig connectionConfig = ConnectionConfig.getInstance();
         ConnectionConfig cloned = connectionConfig.mirror();
@@ -119,6 +155,8 @@ public class ConnectionComboBoxPanel extends ItemEditableComboBoxPanel {
                     @Override
                     public void afterCommit() {
                         DesignKit.getDesignerBean("databasename").refreshBeanElement();
+                        // 关闭定义数据连接页面，为其解锁
+                        EditLockUtils.unlock(LockItem.CONNECTION);
                     }
 
                     @Override
@@ -127,6 +165,13 @@ public class ConnectionComboBoxPanel extends ItemEditableComboBoxPanel {
                     }
                 });
             }
+
+            @Override
+            public void doCancel() {
+                super.doCancel();
+                // 关闭定义数据连接页面，为其解锁
+                EditLockUtils.unlock(LockItem.CONNECTION);
+            }
         });
         connectionListDialog.setVisible(true);
         refreshItems();
@@ -176,4 +221,4 @@ public class ConnectionComboBoxPanel extends ItemEditableComboBoxPanel {
         }
         return -1;
     }
-}
\ No newline at end of file
+}