diff --git a/.env.example b/.env.example
index 845b3d9..110e939 100644
--- a/.env.example
+++ b/.env.example
@@ -29,7 +29,7 @@ JG_REQUEST_TIMEOUT_SEC=15
 
 # ===== 无障碍保护存活监控(pull 后置检测;本期不接推送)=====
 HEARTBEAT_MONITOR_ENABLED=true
-HEARTBEAT_TIMEOUT_MINUTES=10
+HEARTBEAT_TIMEOUT_MINUTES=60
 HEARTBEAT_SCAN_INTERVAL_SEC=60
 
 # ===== 短信 (mock 模式) =====
diff --git a/app/core/config.py b/app/core/config.py
index 79a12e8..3e27af5 100644
--- a/app/core/config.py
+++ b/app/core/config.py
@@ -68,7 +68,7 @@ class Settings(BaseSettings):
 
     # 无障碍保护存活监控后台任务(pull 后置检测;本期不接推送)
     HEARTBEAT_MONITOR_ENABLED: bool = True       # 总开关
-    HEARTBEAT_TIMEOUT_MINUTES: int = 10          # 多久没心跳算掉线(≈3 个客户端心跳周期)
+    HEARTBEAT_TIMEOUT_MINUTES: int = 60          # 多久没心跳算掉线(1 小时,避免短暂离线误判被杀)
     HEARTBEAT_SCAN_INTERVAL_SEC: int = 60        # 扫描周期
 
     # ===== 短信 =====