REPORT-148261 支持远程设计连接断开后自动停止心跳与锁状态检测，避免服务器重启后产生大量连接报错。连接恢复后设计器自动重启相关任务。

designer-base/src/main/java/com/fr/design/editlock/EditLockChangeChecker.java

@@ -6,6 +6,11 @@ import com.fr.log.FineLoggerFactory;
 import com.fr.workspace.WorkContext;
 import com.fr.workspace.server.lock.editlock.EditLockOperator;
 import com.fr.report.LockItem;
+import com.fr.event.Event;
+import com.fr.event.EventDispatcher;
+import com.fr.event.Listener;
+import com.fr.workspace.Workspace;
+import com.fr.workspace.WorkspaceEvent;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -26,11 +31,63 @@ public abstract class EditLockChangeChecker {
     protected LockItem lockItem;
     private boolean isLocked = false;
     private List<EditLockChangeListener> listeners = new ArrayList<>();
+    private boolean running = false;
+
+    // 监听连接断开事件
+    private Listener<Workspace> disconnectListener = new Listener<Workspace>() {
+        @Override
+        public void on(Event event, Workspace workspace) {
+            if (scheduler != null && !scheduler.isShutdown()) {
+                scheduler.shutdown();
+                scheduler = null;
+                FineLoggerFactory.getLogger().info("Connection lost, edit lock checker stopped");
+            }
+        }
+    };
+
+    // 监听连接恢复事件
+    private Listener<Workspace> connectListener = new Listener<Workspace>() {
+        @Override
+        public void on(Event event, Workspace workspace) {
+            if (running && scheduler == null) {
+                FineLoggerFactory.getLogger().info("Connection restored, restarting edit lock checker");
+                startScheduler();
+            }
+        }
+    };
 
     /**
      * 轮询任务，如果是远程设计状态，每隔30s查询一次相应lockItem的锁状态是否改变
      */
     public void start() {
+        running = true;
+        startListeners();
+        startScheduler();
+    }
+    
+    /**
+     * 启动事件监听器
+     */
+    private void startListeners() {
+        if (!WorkContext.getCurrent().isLocal()) {
+            // 确保不会重复注册
+            EventDispatcher.stopListen(disconnectListener);
+            EventDispatcher.stopListen(connectListener);
+            
+            EventDispatcher.listen(WorkspaceEvent.LostConnect, disconnectListener);
+            EventDispatcher.listen(WorkspaceEvent.ConnectSuccess, connectListener);
+        }
+    }
+    
+    /**
+     * 启动调度器
+     */
+    private void startScheduler() {
+        // 已经有调度器运行中，不需要重新创建
+        if (scheduler != null && !scheduler.isShutdown()) {
+            return;
+        }
+        
         this.scheduler = Executors.newSingleThreadScheduledExecutor(new NamedThreadFactory("EditLockChangeChecker"));
         this.scheduler.scheduleWithFixedDelay(new Runnable() {
             @Override
@@ -45,7 +102,7 @@ public abstract class EditLockChangeChecker {
                             fireChange();
                         }
                     } catch (Exception e) {
-                        FineLoggerFactory.getLogger().error(e.getMessage(), e);
+                        FineLoggerFactory.getLogger().error("Edit lock check error: " + e.getMessage(), e);
                     }
                 } else if (isLocked()){
                     // 如果不是远程环境，且此前的远程状态下为锁定的话，切换回来后需要将其修改为不锁定
@@ -57,7 +114,16 @@ public abstract class EditLockChangeChecker {
     }
 
     public void stop() {
+        running = false;
+        // 移除事件监听
+        EventDispatcher.stopListen(disconnectListener);
+        EventDispatcher.stopListen(connectListener);
+        
+        // 关闭调度器
+        if (this.scheduler != null && !this.scheduler.isShutdown()) {
             this.scheduler.shutdown();
+            this.scheduler = null;
+        }
     }
 
     public void addEditLockChangeListener(EditLockChangeListener listener) {