diff --git a/api/middleware/schedule/deviceManager.js b/api/middleware/schedule/deviceManager.js
index 708a38b..f19431a 100644
--- a/api/middleware/schedule/deviceManager.js
+++ b/api/middleware/schedule/deviceManager.js
@@ -68,6 +68,7 @@ class DeviceManager {
                 lastHeartbeat: now,
                 dailyCounts: { date: utils.getTodayString(), searchCount: 0, applyCount: 0, chatCount: 0 }
             });
+            console.log(`[设备管理器] 新设备 ${sn_code} 初始化 - isLoggedIn: ${heartbeatData.isLoggedIn}`);
         }
 
         const device = this.devices.get(sn_code);
@@ -76,6 +77,7 @@ class DeviceManager {
         // 更新登录状态
         if (heartbeatData.isLoggedIn !== undefined) {
             device.isLoggedIn = heartbeatData.isLoggedIn;
+            console.log(`[设备管理器] 设备 ${sn_code} 登录状态更新 - isLoggedIn: ${device.isLoggedIn}`);
         }
     }