Index: ssts-web/src/main/java/com/forgon/disinfectsystem/systemwarning/service/SystemWarningManagerImpl.java
===================================================================
diff -u -r29469 -r29525
--- ssts-web/src/main/java/com/forgon/disinfectsystem/systemwarning/service/SystemWarningManagerImpl.java	(.../SystemWarningManagerImpl.java)	(revision 29469)
+++ ssts-web/src/main/java/com/forgon/disinfectsystem/systemwarning/service/SystemWarningManagerImpl.java	(.../SystemWarningManagerImpl.java)	(revision 29525)
@@ -602,7 +602,7 @@
 			return null;
 		}
 		long time = System.currentTimeMillis();
-		time -= hour*60*60*1000 + minute*60*1000;
+		time -= hour*60*60*1000l + minute*60*1000l;
 		warningDate.setTime(time);
 		String timeSql = dateQueryAdapter.dateAdapter(warningDate);;
 		String countSql = String.format("select count(*) from %s po where po.status = '%s' "