diff --git a/src/main/java/com/onixbyte/helix/controller/DepartmentController.java b/src/main/java/com/onixbyte/helix/controller/DepartmentController.java
index 338a06c..f8716eb 100644
--- a/src/main/java/com/onixbyte/helix/controller/DepartmentController.java
+++ b/src/main/java/com/onixbyte/helix/controller/DepartmentController.java
@@ -1,7 +1,7 @@
 package com.onixbyte.helix.controller;
 
 import com.onixbyte.helix.domain.entity.Department;
-import com.onixbyte.helix.domain.model.TreeNode;
+import com.onixbyte.helix.domain.common.TreeNode;
 import com.onixbyte.helix.service.DepartmentService;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.GetMapping;
diff --git a/src/main/java/com/onixbyte/helix/controller/MenuController.java b/src/main/java/com/onixbyte/helix/controller/MenuController.java
index 26e0aa6..4523651 100644
--- a/src/main/java/com/onixbyte/helix/controller/MenuController.java
+++ b/src/main/java/com/onixbyte/helix/controller/MenuController.java
@@ -1,7 +1,7 @@
 package com.onixbyte.helix.controller;
 
 import com.onixbyte.helix.domain.entity.Menu;
-import com.onixbyte.helix.domain.model.TreeNode;
+import com.onixbyte.helix.domain.common.TreeNode;
 import com.onixbyte.helix.service.MenuService;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.GetMapping;
diff --git a/src/main/java/com/onixbyte/helix/domain/model/TreeNode.java b/src/main/java/com/onixbyte/helix/domain/common/TreeNode.java
similarity index 87%
rename from src/main/java/com/onixbyte/helix/domain/model/TreeNode.java
rename to src/main/java/com/onixbyte/helix/domain/common/TreeNode.java
index 3748a6b..ab3505e 100644
--- a/src/main/java/com/onixbyte/helix/domain/model/TreeNode.java
+++ b/src/main/java/com/onixbyte/helix/domain/common/TreeNode.java
@@ -1,4 +1,4 @@
-package com.onixbyte.helix.domain.model;
+package com.onixbyte.helix.domain.common;
 
 import java.util.ArrayList;
 import java.util.List;
diff --git a/src/main/java/com/onixbyte/helix/service/DepartmentService.java b/src/main/java/com/onixbyte/helix/service/DepartmentService.java
index 4eb231d..0cae30a 100644
--- a/src/main/java/com/onixbyte/helix/service/DepartmentService.java
+++ b/src/main/java/com/onixbyte/helix/service/DepartmentService.java
@@ -1,7 +1,7 @@
 package com.onixbyte.helix.service;
 
 import com.onixbyte.helix.domain.entity.Department;
-import com.onixbyte.helix.domain.model.TreeNode;
+import com.onixbyte.helix.domain.common.TreeNode;
 import com.onixbyte.helix.manager.DepartmentManager;
 import com.onixbyte.helix.utils.TreeUtil;
 import org.springframework.beans.factory.annotation.Autowired;
diff --git a/src/main/java/com/onixbyte/helix/service/MenuService.java b/src/main/java/com/onixbyte/helix/service/MenuService.java
index 2eabe09..ad5a57f 100644
--- a/src/main/java/com/onixbyte/helix/service/MenuService.java
+++ b/src/main/java/com/onixbyte/helix/service/MenuService.java
@@ -1,7 +1,7 @@
 package com.onixbyte.helix.service;
 
 import com.onixbyte.helix.domain.entity.Menu;
-import com.onixbyte.helix.domain.model.TreeNode;
+import com.onixbyte.helix.domain.common.TreeNode;
 import com.onixbyte.helix.manager.MenuManager;
 import com.onixbyte.helix.utils.SecurityUtil;
 import com.onixbyte.helix.utils.TreeUtil;
diff --git a/src/main/java/com/onixbyte/helix/utils/TreeUtil.java b/src/main/java/com/onixbyte/helix/utils/TreeUtil.java
index 15f23fe..848c65b 100644
--- a/src/main/java/com/onixbyte/helix/utils/TreeUtil.java
+++ b/src/main/java/com/onixbyte/helix/utils/TreeUtil.java
@@ -1,7 +1,7 @@
 package com.onixbyte.helix.utils;
 
 import com.onixbyte.helix.domain.common.Treeable;
-import com.onixbyte.helix.domain.model.TreeNode;
+import com.onixbyte.helix.domain.common.TreeNode;
 import com.onixbyte.helix.exception.BizException;
 import org.apache.commons.collections4.CollectionUtils;
 import org.springframework.http.HttpStatus;