From 96383804dca3813ddb3f64dc88400b605114e863 Mon Sep 17 00:00:00 2001
From: "1378012178@qq.com" <1378012178@qq.com>
Date: Fri, 23 Jan 2026 09:19:20 +0800
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---
 .../service/impl/HumidDeviceServiceImpl.java      | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/nursing-unit-iot/nu-iot-biz/src/main/java/com/nu/modules/yiweilian/humid/service/impl/HumidDeviceServiceImpl.java b/nursing-unit-iot/nu-iot-biz/src/main/java/com/nu/modules/yiweilian/humid/service/impl/HumidDeviceServiceImpl.java
index ac1f438..24fc0a2 100644
--- a/nursing-unit-iot/nu-iot-biz/src/main/java/com/nu/modules/yiweilian/humid/service/impl/HumidDeviceServiceImpl.java
+++ b/nursing-unit-iot/nu-iot-biz/src/main/java/com/nu/modules/yiweilian/humid/service/impl/HumidDeviceServiceImpl.java
@@ -27,6 +27,7 @@ import lombok.extern.slf4j.Slf4j;
 import me.zhyd.oauth.utils.UuidUtils;
 import org.apache.commons.lang.StringUtils;
 import org.apache.shiro.SecurityUtils;
+import org.apache.shiro.UnavailableSecurityManagerException;
 import org.jeecg.common.api.vo.Result;
 import org.jeecg.common.system.vo.LoginUser;
 import org.springframework.beans.BeanUtils;
@@ -276,9 +277,17 @@ public class HumidDeviceServiceImpl extends ServiceImpl<HumidDeviceMapper, Humid
                     dh.setReportingTime(reportingTime);
                     baseMapper.updateValue(dh);
                     dh.setOptType("read");
-                    LoginUser sysUser = (LoginUser) SecurityUtils.getSubject().getPrincipal();
-                    if (sysUser != null) {
-                        dh.setOptBy(sysUser.getUsername());
+                    try {
+                        LoginUser sysUser = (LoginUser) SecurityUtils.getSubject().getPrincipal();
+                        if (sysUser != null) {
+                            dh.setOptBy(sysUser.getUsername());
+                        } else {
+                            dh.setOptBy("system_scheduler");
+                        }
+                    } catch (UnavailableSecurityManagerException e) {
+                        // 定时任务线程，使用系统用户
+                        dh.setOptBy("system_scheduler");
+                        log.debug("Using system user for scheduled task");
                     }
                     baseMapper.insertLog(dh);
                     syncStatusMq(dh);