diff --git a/mes/hd/nladmin-system/src/main/java/org/nl/wms/ext/bigScreen/wql/QDEVICE_SCREEN.wql b/mes/hd/nladmin-system/src/main/java/org/nl/wms/ext/bigScreen/wql/QDEVICE_SCREEN.wql
index 2a853222..30a10f41 100644
--- a/mes/hd/nladmin-system/src/main/java/org/nl/wms/ext/bigScreen/wql/QDEVICE_SCREEN.wql
+++ b/mes/hd/nladmin-system/src/main/java/org/nl/wms/ext/bigScreen/wql/QDEVICE_SCREEN.wql
@@ -251,7 +251,7 @@
                 	device.device_code,
                 	device.device_name,
                 	pro.workprocedure_name,
-                	(case when run.status_type = '01' or IFUNLL(status_type,'') = '' then '关机'
+                	(case when run.status_type = '01' or IFNULL(status_type,'') = '' then '关机'
                 			 when run.status_type = '02' then '开机'
                 			 when run.status_type = '03' then '生产中'
                 			 when run.status_type = '04' then '待机'