Index: ssts-web/src/main/webapp/disinfectsystem/schedule/scheduleDefinition.js
===================================================================
diff -u -r34760 -r34762
--- ssts-web/src/main/webapp/disinfectsystem/schedule/scheduleDefinition.js	(.../scheduleDefinition.js)	(revision 34760)
+++ ssts-web/src/main/webapp/disinfectsystem/schedule/scheduleDefinition.js	(.../scheduleDefinition.js)	(revision 34762)
@@ -40,7 +40,7 @@
       	 var orgUnitCode=$("#select_department").val();
       	 var remark=$("#remarks").val();
          var roleArray=$("#select_roleNames").val();
-         if(roleArray.length == 0){
+         if(!roleArray || roleArray.length == 0){
           roleIds = '';
          }else {
           roleIds = roleArray.join(',');