fix：

们

tr-framework/src/main/java/cn/tr/core/tree/TreeNode.java

@@ -24,7 +24,7 @@ public abstract class TreeNode<PK> implements Serializable
     /**
      * 父节点
      */
-    @NotBlank(message = "父级id不能为空",groups = {Update.class, Insert.class})
+    @NotNull(message = "父级id不能为空",groups = {Update.class, Insert.class})
     private PK parentId;
 
     /**