diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 2e3032adbd..c71f6bc203 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -24,7 +24,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-python@v4
         with:
-          python-version: "3.10"
+          python-version: "3.12"
 
       - name: apt install
         run: |
@@ -46,7 +46,6 @@ jobs:
 
       - name: pip install
         run: |
-          pip install --upgrade pip
           cd $GITHUB_WORKSPACE
           pip install -r test-requirements.txt
           sudo rm -rf /usr/lib/python3/dist-packages/pytz/
diff --git a/seahub/avatar/util.py b/seahub/avatar/util.py
index b642a2f406..e984dc1b28 100644
--- a/seahub/avatar/util.py
+++ b/seahub/avatar/util.py
@@ -2,6 +2,7 @@
 from django.conf import settings
 from django.core.cache import cache
 from django.core.files.storage import default_storage
+from django.utils.module_loading import import_string
 from urllib.parse import quote
 
 from seahub.base.accounts import User
@@ -112,7 +113,9 @@ def get_primary_avatar(user, size=AVATAR_DEFAULT_SIZE):
             avatar.create_thumbnail(size)
     return avatar
 
-from django.utils.module_loading import import_string
+def get_storage_class(import_path=None):
+    return import_string(import_path or settings.STORAGES['default'])
+
 def get_avatar_file_storage():
     """Get avatar file storage, defaults to file system storage.
     """
@@ -126,4 +129,4 @@ def get_avatar_file_storage():
             'data_column': 'data',
             'size_column': 'size',
             }
-        return import_string(AVATAR_FILE_STORAGE or settings.STORAGES['default'])(options=dbs_options)
+        return get_storage_class(AVATAR_FILE_STORAGE)(options=dbs_options)
diff --git a/seahub/settings.py b/seahub/settings.py
index 347204957e..702dce796d 100644
--- a/seahub/settings.py
+++ b/seahub/settings.py
@@ -7,7 +7,8 @@ import os
 import re
 import copy
 
-FILE_SERVER_PORT = '8082'
+from seaserv import FILE_SERVER_PORT
+
 PROJECT_ROOT = os.path.join(os.path.dirname(__file__), os.pardir)
 
 DEBUG = False
@@ -108,7 +109,7 @@ STORAGES = {
         "BACKEND":  'django.core.files.storage.FileSystemStorage'
     },
     "staticfiles": {
-       "BACKEND": "django.contrib.staticfiles.storage.StaticFilesStorage",
+       "BACKEND": "django.contrib.staticfiles.storage.ManifestStaticFilesStorage",
     },
 }
 
diff --git a/seahub/utils/__init__.py b/seahub/utils/__init__.py
index 965550cfc3..82edb17a82 100644
--- a/seahub/utils/__init__.py
+++ b/seahub/utils/__init__.py
@@ -21,7 +21,6 @@ import seaserv
 from seaserv import seafile_api, ccnet_api
 
 from django.urls import reverse
-from django.core.mail import EmailMessage
 from django.shortcuts import render
 from django.template import loader
 from django.utils.translation import gettext as _
diff --git a/tests/seahubtests.sh b/tests/seahubtests.sh
index 3449db25ab..aebf3d0d3b 100755
--- a/tests/seahubtests.sh
+++ b/tests/seahubtests.sh
@@ -28,7 +28,7 @@ SEAHUB_TESTSDIR=$(python -c "import os; print(os.path.dirname(os.path.realpath('
 SEAHUB_SRCDIR=$(dirname "${SEAHUB_TESTSDIR}")
 
 export SEAHUB_LOG_DIR='/tmp/logs'
-export PYTHONPATH="/usr/local/lib/python3.10/site-packages:/usr/local/lib/python3.10/dist-packages:/usr/lib/python3.10/site-packages:/usr/lib/python3.10/dist-packages:${SEAHUB_SRCDIR}/thirdpart:${PYTHONPATH}"
+export PYTHONPATH="/usr/local/lib/python3.12/site-packages:/usr/local/lib/python3.12/dist-packages:/usr/lib/python3.12/site-packages:/usr/lib/python3.12/dist-packages:${SEAHUB_SRCDIR}/thirdpart:${PYTHONPATH}"
 cd "$SEAHUB_SRCDIR"
 set +x