Index: ssts-recyclingrecord/src/main/java/com/forgon/disinfectsystem/recyclingrecord/action/RecyclingRecordAction.java
===================================================================
diff -u -r13828 -r13829
--- ssts-recyclingrecord/src/main/java/com/forgon/disinfectsystem/recyclingrecord/action/RecyclingRecordAction.java	(.../RecyclingRecordAction.java)	(revision 13828)
+++ ssts-recyclingrecord/src/main/java/com/forgon/disinfectsystem/recyclingrecord/action/RecyclingRecordAction.java	(.../RecyclingRecordAction.java)	(revision 13829)
@@ -843,6 +843,9 @@
 	}
 
 	private JSONObject buildUserJSONObjectForGetBarcodeInfo(User user){
+		if(user == null){
+			return null;
+		}
 		JSONObject userObj = new JSONObject();
 		userObj.put("fullName", user.getFullName());
 		return userObj;