diff --git a/dongjian-dashboard-back-dao/src/main/resources/mappers/ex/DeviceInfoMapperExt.xml b/dongjian-dashboard-back-dao/src/main/resources/mappers/ex/DeviceInfoMapperExt.xml
index 1268072..8f1793f 100644
--- a/dongjian-dashboard-back-dao/src/main/resources/mappers/ex/DeviceInfoMapperExt.xml
+++ b/dongjian-dashboard-back-dao/src/main/resources/mappers/ex/DeviceInfoMapperExt.xml
@@ -315,12 +315,12 @@
                     PARTITION BY device_id
                     ORDER BY receive_ts DESC
                     ) AS rn
-                    FROM alert_history
-                 ) alert_history on alert_history.device_id = device_info.device_id
+                    FROM alert_history where alert_history.source_type = 1
+                 ) alert_history on alert_history.device_id = device_info.device_id AND alert_history.rn = 1
             </when>
             <otherwise>
                 alert_history
-                left join device_info on alert_history.device_id = device_info.device_id
+                left join device_info on alert_history.device_id = device_info.device_id and alert_history.source_type = 1
             </otherwise>
         </choose>
         left join basic_monitoring_asset on device_info.asset_id = basic_monitoring_asset.equipment_id
@@ -375,12 +375,12 @@
                 PARTITION BY device_id
                 ORDER BY receive_ts DESC
                 ) AS rn
-                FROM alert_history
-                ) alert_history on alert_history.device_id = device_info.device_id
+                FROM alert_history where alert_history.source_type = 1
+                ) alert_history on alert_history.device_id = device_info.device_id AND alert_history.rn = 1
             </when>
             <otherwise>
                 alert_history
-                left join device_info on alert_history.device_id = device_info.device_id
+                left join device_info on alert_history.device_id = device_info.device_id and alert_history.source_type = 1
             </otherwise>
         </choose>
         left join basic_monitoring_asset on device_info.asset_id = basic_monitoring_asset.equipment_id