diff --git a/aucma-report/src/main/resources/mapper/report/Board4Mapper.xml b/aucma-report/src/main/resources/mapper/report/Board4Mapper.xml
index c354912..4ed2986 100644
--- a/aucma-report/src/main/resources/mapper/report/Board4Mapper.xml
+++ b/aucma-report/src/main/resources/mapper/report/Board4Mapper.xml
@@ -38,7 +38,7 @@
             GROUP BY device_code
         )
     </select> -->
-        <select>
+    <select id="selectMonthProductionTotal" resultType="java.lang.Long">
             /* 按天取“生产计数-当前日期生产总数”每台设备当日最新值，再汇总本月所有天 */
         SELECT NVL(SUM(daily_val), 0)
         FROM (