去掉这个，因为等下新建菜单绑定父级查询有条件限制，父级id的null才能显示

src/main/java/cn/hnthyy/thmz/mapper/thmz/MenuMapper.java

@@ -100,8 +100,8 @@ public interface MenuMapper {
             "<when test='name!=null'>",
             ",name =#{name,jdbcType=VARCHAR}",
             "</when>",
-            "<when test='parentId!=null'>",
-            ",parent_id =#{parentId,jdbcType=BIGINT}",
+            "<when test='parentId!=null and parentId==-1 '>",
+            ",parent_id =null",
             "</when>",
             "<when test='classCode!=null'>",
             ",class_code =#{classCode,jdbcType=VARCHAR}",