修改bug

pcloud-service-book/src/main/java/com/pcloud/book/rightsSetting/biz/impl/RightsSettingBizImpl.java

@@ -311,12 +311,18 @@ public class RightsSettingBizImpl implements RightsSettingBiz {
             if (!ListUtils.isEmpty(group.getDescList())){
                 if (group.getDescList().size()>0){
                     group.setDesc1(group.getDescList().get(0));
+                }else {
+                    group.setDesc1(null);
                 }
                 if (group.getDescList().size()>1){
                     group.setDesc2(group.getDescList().get(1));
+                }else {
+                    group.setDesc2(null);
                 }
                 if (group.getDescList().size()>2){
                     group.setDesc3(group.getDescList().get(2));
+                }else {
+                    group.setDesc3(null);
                 }
             }
             group.setRightsSettingId(rightsSettingId);