diff --git a/intc-modules/intc-iot/src/main/java/com/intc/iot/service/impl/WarnCallNoticeServiceImpl.java b/intc-modules/intc-iot/src/main/java/com/intc/iot/service/impl/WarnCallNoticeServiceImpl.java
index 5b11637..95bfbbd 100644
--- a/intc-modules/intc-iot/src/main/java/com/intc/iot/service/impl/WarnCallNoticeServiceImpl.java
+++ b/intc-modules/intc-iot/src/main/java/com/intc/iot/service/impl/WarnCallNoticeServiceImpl.java
@@ -56,9 +56,10 @@ public class WarnCallNoticeServiceImpl implements WarnCallNoticeService {
 
     /**
      * 回执超时时间（分钟）
-     * VMS 回执延迟较长，改为 5 分钟，避免回执未到就被标记为超时
+     * VMS 回执延迟较长，设为 15 分钟，给 VMS 平台充足的回调缓冲时间
+     * 注意：超时判断基于 callTime（预计呼叫时间），实际呼叫发起后回调可能延迟数分钟到达
      */
-    private static final int CALLBACK_TIMEOUT_MINUTES = 5;
+    private static final int CALLBACK_TIMEOUT_MINUTES = 15;
 
     @Override
     @Transactional(rollbackFor = Exception.class)
@@ -104,7 +105,10 @@ public class WarnCallNoticeServiceImpl implements WarnCallNoticeService {
         }
 
         if (callNotice == null) {
-            log.warn("[告警通知] 未找到对应的通知记录 - 呼叫ID: {}, outId: {}", callback.getCallId(), outId);
+            log.warn("[告警通知] 未找到对应的通知记录，标记为已处理跳过 - 呼叫ID: {}, outId: {}", callback.getCallId(), outId);
+            // 通知记录不存在（可能已被清除），直接标记回执为已处理，避免无限重复扫描
+            callback.setProcessed(1);
+            vmsCallbackMapper.updateById(callback);
             return false;
         }