diff --git a/Service/AlarmService.cs b/Service/AlarmService.cs
index 622a453..bc450a2 100644
--- a/Service/AlarmService.cs
+++ b/Service/AlarmService.cs
@@ -49,12 +49,15 @@ namespace LY.App.Service
             var entity = input.data.Adapt<List<Alarm>>();
             if (entity.Any())
             {
-                // 排除掉不这几个类型的设备
+                // 排除掉不在范围内的报警信息
                 var O4entity = entity.Where(s => s.device_type == "O4" || s.serial_number == "O4" || s.device_type == "UAV" || !string.IsNullOrEmpty(s.device_type));
                 entity = entity.Where(s => checkDistance(s.drone_lat, s.drone_lon, deviceinfo.Lat, deviceinfo.Lon) == true).ToList();
                 if (O4entity.Any())
                 {
                     entity.AddRange(O4entity);
+                }
+                if (entity.Any())
+                {
                     foreach (var item in entity)
                     {
                         item.BatchId = await GetBatId(item.serial_number);
@@ -72,6 +75,8 @@ namespace LY.App.Service
                     //推送报警信息
                     await _pushService.SendMessageToAll(new { msgType = "event", data = entity });
                 }
+
+
             }
             return new ApiResult();
         }