diff --git a/aucma-report/src/main/resources/mapper/report/Board4Mapper.xml b/aucma-report/src/main/resources/mapper/report/Board4Mapper.xml
index 7a1ed27..3e971c1 100644
--- a/aucma-report/src/main/resources/mapper/report/Board4Mapper.xml
+++ b/aucma-report/src/main/resources/mapper/report/Board4Mapper.xml
@@ -76,15 +76,15 @@
     </select>
 
     <!-- 查询最新报警信息 -->
-    <!-- 数据来源：RECORD_ALARM_DEVICE -->
+    <!-- 数据来源：DMS_RECORD_ALARM_INFO + BASE_DEVICELEDGER -->
     <select id="selectLatestAlarmInfo" resultType="java.util.HashMap">
         SELECT * FROM (
-            SELECT a.DEVICE_NAME AS DEVICE_NAME,
-                   a.ALARM_INFO AS ALARM_REASON,
-                   TO_CHAR(a.ALARM_TIME, 'HH24:MI:SS') AS ALARM_TIME
-            FROM RECORD_ALARM_DEVICE a
-            WHERE a.IS_FLAG = 0
-            ORDER BY a.ALARM_TIME DESC
+            SELECT d.DEVICE_NAME AS DEVICE_NAME,
+                   a.ALARM_REASON AS ALARM_REASON,
+                   TO_CHAR(a.ALARM_BEGIN_TIME, 'HH24:MI:SS') AS ALARM_TIME
+            FROM DMS_RECORD_ALARM_INFO a
+            LEFT JOIN BASE_DEVICELEDGER d ON a.DEVICE_ID = d.OBJ_ID
+            ORDER BY a.ALARM_BEGIN_TIME DESC
         ) WHERE ROWNUM = 1
     </select>