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 cf377ea..e09ffa3 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
@@ -64,14 +64,15 @@ public class EnvironmentNovncWebSocketHandler extends TextWebSocketHandler {
         this.userId = (String) session.getAttributes().get("userId");
         Constants.ENV_NOVNC_WEBSOCKET_SESSION.put(sessionId, session);
         lastReceivedTime = System.currentTimeMillis(); // 初始化接收时间
-        startConnectionMonitor(session);
+        Thread checkSessionTimeout = startConnectionMonitor(session);
+        session.getAttributes().put("checkSessionTimeoutThread", checkSessionTimeout);
     }
 
-    private void startConnectionMonitor(WebSocketSession session) {
-        Thread.ofVirtual().start(() -> {
+    private Thread startConnectionMonitor(WebSocketSession session) {
+        Thread thread = Thread.ofVirtual().start(() -> {
             while (true) {
-                if (System.currentTimeMillis() - lastReceivedTime > sessionTimeout) {
-                    try {
+                try {
+                    if (System.currentTimeMillis() - lastReceivedTime > sessionTimeout) {
                         if (session.isOpen()) {
                             log.info("current no connection info, clean no real use connection finshed, sessionId: {}", sessionId);
 
@@ -83,14 +84,17 @@ public class EnvironmentNovncWebSocketHandler extends TextWebSocketHandler {
                             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");
                     }
+                    Thread.sleep(300000);
+                } catch (InterruptedException  e) {
+                    Thread.currentThread().interrupt();
+                    break;
+                } catch (IOException e) {
+                    log.error(e, "Error clean no real use connection");
                 }
             }
         });
+        return thread;
     }
 
 
@@ -188,6 +192,11 @@ public class EnvironmentNovncWebSocketHandler extends TextWebSocketHandler {
         if (envWebsocket != null) {
             envWebsocket.sendClose(WebSocket.NORMAL_CLOSURE, "Normal closure");
         }
+
+        Thread checkSessionTimeoutThread = (Thread) session.getAttributes().get("checkSessionTimeoutThread");
+        if (checkSessionTimeoutThread != null) {
+            checkSessionTimeoutThread.interrupt();
+        }
         Constants.ENV_NOVNC_WEBSOCKET_SESSION.remove(sessionId);
         super.afterConnectionClosed(session, status);
     }