机构树查询空指针修改

dcuc-auth-service/src/main/java/com/dragoninfo/dcuc/auth/sub/service/impl/AuthOrgTreeServiceImpl.java

@@ -386,6 +386,7 @@ public class AuthOrgTreeServiceImpl implements IAuthOrgTreeService {
                         .flatMap(List::stream)
                         .distinct()
                         .map(treeNodeMap::get)
+                        .filter(Objects::nonNull)
                         .collect(Collectors.toList());
                 selfNodes.addAll(collect);
                 return deepCopy(selfNodes);