diff --git a/src/main/java/net/geedge/asw/common/config/websocket/EnvironmentNovncWebSocketHandler.java b/src/main/java/net/geedge/asw/common/config/websocket/EnvironmentNovncWebSocketHandler.java
index d73b0c7..4d75453 100644
--- a/src/main/java/net/geedge/asw/common/config/websocket/EnvironmentNovncWebSocketHandler.java
+++ b/src/main/java/net/geedge/asw/common/config/websocket/EnvironmentNovncWebSocketHandler.java
@@ -69,31 +69,34 @@ public class EnvironmentNovncWebSocketHandler extends TextWebSocketHandler {
         this.sessionId = (String) session.getAttributes().get("sessionId");
         this.userId = (String) session.getAttributes().get("userId");
         Constants.ENV_NOVNC_WEBSOCKET_SESSION.put(sessionId, session);
-        lastReceivedTime = T.DateUtil.currentSeconds(); // 初始化接收时间
+        lastReceivedTime = System.currentTimeMillis(); // 初始化接收时间
         startConnectionMonitor(session);
     }
 
     private void startConnectionMonitor(WebSocketSession session) {
-        scheduler.scheduleAtFixedRate(() -> {
-            if (System.currentTimeMillis() - lastReceivedTime > sessionTimeout) {
-                try {
-                    if (session.isOpen()) {
-                        log.info("current no connection info, clean no real use connection finshed, sessionId: {}", sessionId);
+        Thread.ofVirtual().start(() -> {
+            while (true) {
+                if (System.currentTimeMillis() - lastReceivedTime > sessionTimeout) {
+                    try {
+                        if (session.isOpen()) {
+                            log.info("current no connection info, clean no real use connection finshed, sessionId: {}", sessionId);
 
-                        // update session status
-                        environmentSessionService.update(new LambdaUpdateWrapper<EnvironmentSessionEntity>()
-                                .set(EnvironmentSessionEntity::getStatus, 2)
-                                .eq(EnvironmentSessionEntity::getId, sessionId));
-
-                        session.close(CloseStatus.NORMAL.withReason("current no connection info, clean no real use connection finshed."));
+                            // update session status
+                            environmentSessionService.update(new LambdaUpdateWrapper<EnvironmentSessionEntity>()
+                                    .set(EnvironmentSessionEntity::getStatus, 2)
+                                    .eq(EnvironmentSessionEntity::getId, sessionId));
 
+                            session.close(CloseStatus.NORMAL.withReason("current no connection info, clean no real use connection finshed."));
+                            break;
+                        }
+                        // 每5分钟检查一次
+                        Thread.sleep(300000);
+                    } catch (Exception e) {
+                        log.error(e, "Error clean no real use connection");
                     }
-                } catch (IOException e) {
-                    log.error(e, "Error clean no real use connection");
                 }
-                scheduler.shutdown(); // 关闭调度器
             }
-        }, 0, 1, TimeUnit.MINUTES); // 每分钟检查一次
+        });
     }