diff --git a/app/services/dataset_manager/dataset_list.py b/app/services/dataset_manager/dataset_list.py
index 75b50a2f..0f128c05 100644
--- a/app/services/dataset_manager/dataset_list.py
+++ b/app/services/dataset_manager/dataset_list.py
@@ -42,6 +42,8 @@ def list_datasets(self, page, page_size):
                 return res_to_dict
             elif response.status_code == 404:
                 SrvErrorHandler.customized_handle(ECustomizedError.USER_DISABLED, True)
+            elif response.status_code == 401:
+                SrvErrorHandler.customized_handle(ECustomizedError.INVALID_TOKEN, if_exit=True)
             else:
                 SrvErrorHandler.default_handle(response.content, True)
         except Exception as e:
diff --git a/app/services/project_manager/project.py b/app/services/project_manager/project.py
index 8a8c930b..79c08dca 100644
--- a/app/services/project_manager/project.py
+++ b/app/services/project_manager/project.py
@@ -43,6 +43,8 @@ def list_projects(self, page, page_size, order, order_by):
                 return res_to_dict
             elif response.status_code == 404:
                 SrvErrorHandler.customized_handle(ECustomizedError.USER_DISABLED, True)
+            elif response.status_code == 401:
+                SrvErrorHandler.customized_handle(ECustomizedError.INVALID_TOKEN, if_exit=True)
             else:
                 SrvErrorHandler.default_handle(response.content, True)
         except Exception:
diff --git a/app/services/user_authentication/token_manager.py b/app/services/user_authentication/token_manager.py
index ebc574d0..314adbe8 100644
--- a/app/services/user_authentication/token_manager.py
+++ b/app/services/user_authentication/token_manager.py
@@ -12,6 +12,7 @@
 from app.configs.user_config import UserConfig
 from app.models.enums import LoginMethod
 from app.models.service_meta_class import MetaService
+from app.services.output_manager.error_handler import ECustomizedError
 from app.services.output_manager.error_handler import SrvErrorHandler
 from app.services.user_authentication.user_login_logout import exchange_api_key
 
@@ -93,6 +94,8 @@ def refresh(self, azp: str) -> None:
         response = requests.post(url, data=payload, headers=headers)
         if response.status_code == 200:
             self.update_token(response.json()['access_token'], response.json()['refresh_token'])
+        elif response.status_code == 401:
+            SrvErrorHandler.customized_handle(ECustomizedError.INVALID_TOKEN, if_exit=True)
         else:
             SrvErrorHandler.default_handle(response.content)
 
diff --git a/app/utils/aggregated.py b/app/utils/aggregated.py
index a9052ece..a888fd14 100644
--- a/app/utils/aggregated.py
+++ b/app/utils/aggregated.py
@@ -44,6 +44,8 @@ def search_item(project_code, zone, folder_relative_path, item_type, container_t
         SrvErrorHandler.customized_handle(ECustomizedError.PERMISSION_DENIED, project_code)
     elif res.status_code == 404:
         pass
+    elif res.status_code == 401:
+        SrvErrorHandler.customized_handle(ECustomizedError.INVALID_TOKEN, if_exit=True)
     elif res.status_code != 200:
         SrvErrorHandler.default_handle(res.text, True)
 
diff --git a/pyproject.toml b/pyproject.toml
index 08678608..85770675 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "app"
-version = "2.9.1"
+version = "2.9.2"
 description = "This service is designed to support pilot platform"
 authors = ["Indoc Systems"]
 
diff --git a/tests/app/services/user_authentication/test_token_manager.py b/tests/app/services/user_authentication/test_token_manager.py
index 50379c80..6846ae20 100644
--- a/tests/app/services/user_authentication/test_token_manager.py
+++ b/tests/app/services/user_authentication/test_token_manager.py
@@ -3,9 +3,12 @@
 # Contact Indoc Systems for any questions regarding the use of this source code.
 
 import jwt
+import pytest
 
+from app.configs.app_config import AppConfig
 from app.configs.user_config import UserConfig
 from app.services.user_authentication.token_manager import SrvTokenManager
+from tests.conftest import decoded_token
 
 
 class TestSrvTokenManager:
@@ -38,3 +41,20 @@ def test_refresh_api_key_calls_keycloak_and_stores_access_token_in_config(self,
 
         assert manager.config.access_token == access_token
         assert manager.config.refresh_token == ''
+
+    def test_refresh_failed_with_invalid_token(self, requests_mock, mocker, settings, capsys):
+        manager = SrvTokenManager()
+        mocker.patch(
+            'app.services.user_authentication.token_manager.SrvTokenManager.decode_access_token',
+            return_value=decoded_token(),
+        )
+
+        requests_mock.post(
+            AppConfig.Connections.url_keycloak_token,
+            status_code=401,
+        )
+
+        with pytest.raises(SystemExit):
+            manager.refresh('test_azp')
+        out, _ = capsys.readouterr()
+        assert out.rstrip() == 'Your login session has expired. Please try again or log in again.'
diff --git a/tests/app/utils/test_aggregated.py b/tests/app/utils/test_aggregated.py
index 9ddadd2f..08932873 100644
--- a/tests/app/utils/test_aggregated.py
+++ b/tests/app/utils/test_aggregated.py
@@ -99,4 +99,4 @@ def test_search_file_error_handling_with_401(requests_mock, mocker, capsys):
     with pytest.raises(SystemExit):
         search_item(test_project_code, 'zone', 'folder_relative_path', 'file', 'project')
     out, _ = capsys.readouterr()
-    assert out.rstrip() == 'Authentication failed.'
+    assert out.rstrip() == 'Your login session has expired. Please try again or log in again.'