diff --git a/src/casdoor/async_main.py b/src/casdoor/async_main.py
index 6732e1d..2574c27 100644
--- a/src/casdoor/async_main.py
+++ b/src/casdoor/async_main.py
@@ -419,8 +419,23 @@ async def get_user_count(self, is_online: bool = None) -> int:
             count = await session.get(path, headers=self.headers, params=params)
             return count["data"]
 
-    async def modify_user(self, method: str, user: User, params=None) -> Dict:
+    async def modify_user(self, method: str, user: User, params=None, columns: Optional[List[str]] = None) -> Dict:
+        """
+        Modify user with optional columns parameter for selective field updates.
+
+        :param method: the operation method (add-user, update-user, delete-user)
+        :param user: a User object that contains user's info
+        :param params: additional parameters
+        :param columns: optional list of column names to update (e.g., ["roles", "email"])
+        """
         path = f"/api/{method}"
+
+        # Add columns to params if provided
+        if columns:
+            if params is None:
+                params = {}
+            params["columns"] = ",".join(columns)
+
         async with self._session as session:
             return await session.post(path, params=params, headers=self.headers, json=user.to_dict())
 
@@ -428,9 +443,16 @@ async def add_user(self, user: User) -> Dict:
         response = await self.modify_user("add-user", user)
         return response
 
-    async def update_user(self, user: User) -> Dict:
+    async def update_user(self, user: User, columns: Optional[List[str]] = None) -> Dict:
+        """
+        Update a user in Casdoor.
+
+        :param user: a User object that contains user's info
+        :param columns: optional list of column names to update (e.g., ["roles", "email"])
+                       If not provided, all fields will be updated
+        """
         params = {"id": f"{user.owner}/{user.name}"}
-        response = await self.modify_user("update-user", user, params)
+        response = await self.modify_user("update-user", user, params, columns)
         return response
 
     async def delete_user(self, user: User) -> Dict:
diff --git a/src/casdoor/user.py b/src/casdoor/user.py
index 63dd153..b730368 100644
--- a/src/casdoor/user.py
+++ b/src/casdoor/user.py
@@ -368,20 +368,26 @@ def get_user_count(self, is_online: bool = None) -> int:
         count = response.get("data")
         return count
 
-    def modify_user(self, method: str, user: User) -> Dict:
+    def modify_user(self, method: str, user: User, columns: Optional[List[str]] = None) -> Dict:
         """
         modifyUser is an encapsulation of user CUD(Create, Update, Delete) operations.
         possible actions are `add-user`, `update-user`, `delete-user`,
+
+        :param method: the operation method (add-user, update-user, delete-user)
+        :param user: a User object that contains user's info
+        :param columns: optional list of column names to update (e.g., ["roles", "email"])
         """
         id = user.get_id()
-        return self.modify_user_by_id(method, id, user)
+        return self.modify_user_by_id(method, id, user, columns)
 
-    def modify_user_by_id(self, method: str, id: str, user: User) -> Dict:
+    def modify_user_by_id(self, method: str, id: str, user: User, columns: Optional[List[str]] = None) -> Dict:
         """
         Modify the user from Casdoor providing the ID.
 
+        :param method: the operation method (add-user, update-user, delete-user)
         :param id: the id ( owner/name ) of the user
         :param user: a User object that contains user's info
+        :param columns: optional list of column names to update (e.g., ["roles", "email"])
         """
 
         url = self.endpoint + f"/api/{method}"
@@ -391,6 +397,11 @@ def modify_user_by_id(self, method: str, id: str, user: User) -> Dict:
             "clientId": self.client_id,
             "clientSecret": self.client_secret,
         }
+
+        # Add columns parameter if provided (for selective field updates)
+        if columns:
+            params["columns"] = ",".join(columns)
+
         user_info = json.dumps(user.to_dict())
         r = requests.post(url, params=params, data=user_info)
         response = r.json()
@@ -402,12 +413,27 @@ def add_user(self, user: User) -> Dict:
         response = self.modify_user("add-user", user)
         return response
 
-    def update_user(self, user: User) -> Dict:
-        response = self.modify_user("update-user", user)
+    def update_user(self, user: User, columns: Optional[List[str]] = None) -> Dict:
+        """
+        Update a user in Casdoor.
+
+        :param user: a User object that contains user's info
+        :param columns: optional list of column names to update (e.g., ["roles", "email"])
+                       If not provided, all fields will be updated
+        """
+        response = self.modify_user("update-user", user, columns)
         return response
 
-    def update_user_by_id(self, id: str, user: User) -> Dict:
-        response = self.modify_user_by_id("update-user", id, user)
+    def update_user_by_id(self, id: str, user: User, columns: Optional[List[str]] = None) -> Dict:
+        """
+        Update a user in Casdoor by ID.
+
+        :param id: the id ( owner/name ) of the user
+        :param user: a User object that contains user's info
+        :param columns: optional list of column names to update (e.g., ["roles", "email"])
+                       If not provided, all fields will be updated
+        """
+        response = self.modify_user_by_id("update-user", id, user, columns)
         return response
 
     def delete_user(self, user: User) -> Dict: