diff --git a/src/main/java/com/topsail/scheduletask/pojo/FocusDeviceOnline.java b/src/main/java/com/topsail/scheduletask/pojo/FocusDeviceOnline.java
index 82e2a2a..44c5641 100644
--- a/src/main/java/com/topsail/scheduletask/pojo/FocusDeviceOnline.java
+++ b/src/main/java/com/topsail/scheduletask/pojo/FocusDeviceOnline.java
@@ -40,5 +40,9 @@ public class FocusDeviceOnline {
      * 告警接收的邮箱
      */
     private String sendMails;
+    /**
+     * 离线数阈值，超过该数量才发送邮件提醒
+     */
+    private Integer offlineCount;
 
 }
diff --git a/src/main/java/com/topsail/scheduletask/task/CheckRabbitMqScheduleTask.java b/src/main/java/com/topsail/scheduletask/task/CheckRabbitMqScheduleTask.java
index 5328976..d15e49e 100644
--- a/src/main/java/com/topsail/scheduletask/task/CheckRabbitMqScheduleTask.java
+++ b/src/main/java/com/topsail/scheduletask/task/CheckRabbitMqScheduleTask.java
@@ -126,7 +126,9 @@ public class CheckRabbitMqScheduleTask {
                     }
                     //2.查询设备离线数量
                     List<DeviceOnlineInfo> offlineDevices = topsailTransmitLogDao.getOfflineDevice(imeiList, focusDeviceOnline.getProjectId());
-                    if (offlineDevices != null && offlineDevices.size() > 2) {
+                    //离线数阈值，超过该数量才发送邮件提醒，未配置时默认为2
+                    int offlineCountThreshold = focusDeviceOnline.getOfflineCount() != null ? focusDeviceOnline.getOfflineCount() : 2;
+                    if (offlineDevices != null && offlineDevices.size() > offlineCountThreshold) {
                         //将离线的设备号码转成json字符串
                         Map<String, String> offlineDeviceMap = offlineDevices.stream()
                                 .collect(Collectors.toMap(DeviceOnlineInfo::getImei, DeviceOnlineInfo::getOfflineTime));
diff --git a/src/main/resources/com/topsail/scheduletask/mapper/TopsailTransmitLogMapper.xml b/src/main/resources/com/topsail/scheduletask/mapper/TopsailTransmitLogMapper.xml
index aa01503..3f3a1d7 100644
--- a/src/main/resources/com/topsail/scheduletask/mapper/TopsailTransmitLogMapper.xml
+++ b/src/main/resources/com/topsail/scheduletask/mapper/TopsailTransmitLogMapper.xml
@@ -62,7 +62,8 @@
                project_id projectId,
                focus_imeis focusImeis,
                is_focus isFocus,
-               send_mails sendMails
+               send_mails sendMails,
+               offline_count offlineCount
         FROM focus_device_online
         WHERE is_focus = #{isFocus}
     </select>