From 73e41bdb6800e16be4bcf17ad1df8fd12eab2563 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=AD=99=E5=B0=8F=E4=BA=91?= <sunpengchina85@gmail.com>
Date: Fri, 30 Jan 2026 17:23:12 +0800
Subject: [PATCH] xx

---
 .../com/ruoyi/device/websocket/StatisticsWebSocket.java     | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/main/java/com/ruoyi/device/websocket/StatisticsWebSocket.java b/src/main/java/com/ruoyi/device/websocket/StatisticsWebSocket.java
index 9da2fe3..1fd6ac1 100644
--- a/src/main/java/com/ruoyi/device/websocket/StatisticsWebSocket.java
+++ b/src/main/java/com/ruoyi/device/websocket/StatisticsWebSocket.java
@@ -28,7 +28,11 @@ public class StatisticsWebSocket {
     @OnClose
     public void onClose() {
         sessions.remove(this);
-        log.info("WebSocket连接关闭: sessionId={}", session.getId());
+        if (session != null) {
+            log.info("WebSocket连接关闭: sessionId={}", session.getId());
+        } else {
+            log.info("WebSocket连接关闭: session为null");
+        }
     }
 
     @OnMessage