修复空指针问题

dmp-business/dmp-rwd/src/main/java/com/persagy/dmp/rwd/digital/controller/ObjectDigitalController.java

@@ -78,8 +78,7 @@ public class ObjectDigitalController{
         // 添加所属项目条件
         // ConditionUtil.ensureProjectCriteriaDirectly(wrapper);
         String projectId = AppContext.getContext().getProjectId();
-
-        if (projectNode.isArray()){
+        if (null!=projectNode && projectNode.isArray()){
             wrapper.in(StrUtil.toUnderlineCase(AppContext.PROJECT_ID), JsonHelper.toMultiEntity(projectNode,String.class));
         }else {
             wrapper.eq(StrUtil.isNotBlank(projectId), StrUtil.toUnderlineCase(AppContext.PROJECT_ID), projectId);