♻️ 优化省市区街道四级查询

(cherry picked from commit 9d9df33c07aeefe109de0cfdd62568e35de3ae51)

pigx-upms/pigx-upms-biz/src/main/java/com/pig4cloud/pigx/admin/service/impl/SysAreaServiceImpl.java

@@ -52,7 +52,7 @@ public class SysAreaServiceImpl extends ServiceImpl<SysAreaMapper, SysAreaEntity
             nodeList.add(treeNode);
         }
 
-        return TreeUtil.build(nodeList, Optional.ofNullable(sysArea.getPid()).orElse(1L));
+        return TreeUtil.build(nodeList, Optional.ofNullable(sysArea.getPid()).orElse(100000L));
     }
 
     /**