diff --git a/tyr-server/src/main/java/cn/axzo/tyr/server/service/impl/PermissionGroupImpl.java b/tyr-server/src/main/java/cn/axzo/tyr/server/service/impl/PermissionGroupImpl.java
index 75590ea8..b69438e4 100644
--- a/tyr-server/src/main/java/cn/axzo/tyr/server/service/impl/PermissionGroupImpl.java
+++ b/tyr-server/src/main/java/cn/axzo/tyr/server/service/impl/PermissionGroupImpl.java
@@ -122,7 +122,7 @@ public class PermissionGroupImpl implements PermissionGroupService {
                 .in(SaasPgroupPermissionRelation::getGroupId, groupIds)
                 .eq(BaseEntity::getIsDelete, TableIsDeleteEnum.NORMAL.value)
                 .list();
-        List<PermissionPointTreeNode> feature = null;
+        List<PermissionPointTreeNode> feature = new ArrayList<>();
         if (CollectionUtils.isNotEmpty(permissionList)) {
             // 查询featureCode
             feature = featureService.listNodesByIds(permissionList.stream().map(SaasPgroupPermissionRelation::getFeatureId).collect(Collectors.toList()));