Merge remote-tracking branch 'origin/dev/icss' into dev/icss

icss-service/src/main/java/com/diagbot/facade/ModuleFacade.java

@@ -51,7 +51,9 @@ public class ModuleFacade extends ModuleInfoServiceImpl {
             bean.setModuleDetailDTOList(moduleDetailDTOList);
             StringBuffer sb = new StringBuffer();
             for (ModuleDetailDTO detailDTO : moduleDetailDTOList) {
-                sb.append(detailDTO.getQuestionId()).append(",");
+                if (detailDTO.getQuestionId() != null) {
+                    sb.append(detailDTO.getQuestionId()).append(",");
+                }
             }
             if (ListUtil.isNotEmpty(moduleDetailDTOList)) {
                 QuestionIdsVO questionIdsVO = new QuestionIdsVO();