diff --git a/crm-auth/src/main/java/com/crm/auth/service/impl/ResourceServiceImpl.java b/crm-auth/src/main/java/com/crm/auth/service/impl/ResourceServiceImpl.java
index 041c789..f39410c 100644
--- a/crm-auth/src/main/java/com/crm/auth/service/impl/ResourceServiceImpl.java
+++ b/crm-auth/src/main/java/com/crm/auth/service/impl/ResourceServiceImpl.java
@@ -178,6 +178,10 @@ public class ResourceServiceImpl implements IResourceService {
             throw new BusinessErrorException(CODE_RESOURCE_INVALID, "父节点不存在：parentId=" + node.getParentId());
         }
         MenuType parentType = MenuType.fromCode(parent.getMenuType());
+        if (parentType == null) {
+            throw new BusinessErrorException(CODE_RESOURCE_INVALID,
+                    "父节点类型未知：menuType=" + parent.getMenuType());
+        }
 
         if (!MenuType.isLegalChild(parentType, childType)) {
             String msg = switch (parentType) {