diff --git a/api/controllers/console/app/audio.py b/api/controllers/console/app/audio.py
index 12d9157dda..7519ae96c0 100644
--- a/api/controllers/console/app/audio.py
+++ b/api/controllers/console/app/audio.py
@@ -80,8 +80,6 @@ class ChatMessageTextApi(Resource):
     @account_initialization_required
     @get_app_model
     def post(self, app_model: App):
-        from werkzeug.exceptions import InternalServerError
-
         try:
             parser = reqparse.RequestParser()
             parser.add_argument("message_id", type=str, location="json")
diff --git a/api/models/model.py b/api/models/model.py
index 6577492d1b..d1490d75c8 100644
--- a/api/models/model.py
+++ b/api/models/model.py
@@ -3,8 +3,8 @@ import re
 import uuid
 from collections.abc import Mapping
 from datetime import datetime
-from enum import Enum
-from typing import TYPE_CHECKING, Optional
+from enum import Enum, StrEnum
+from typing import TYPE_CHECKING, Any, Literal, Optional, cast
 
 from core.plugin.entities.plugin import GenericProviderID
 from core.tools.entities.tool_entities import ToolProviderType
@@ -13,9 +13,6 @@ from services.plugin.plugin_service import PluginService
 if TYPE_CHECKING:
     from models.workflow import Workflow
 
-from enum import StrEnum
-from typing import TYPE_CHECKING, Any, Literal, cast
-
 import sqlalchemy as sa
 from flask import request
 from flask_login import UserMixin  # type: ignore
diff --git a/api/models/workflow.py b/api/models/workflow.py
index 5a67fa47a8..da60617de5 100644
--- a/api/models/workflow.py
+++ b/api/models/workflow.py
@@ -1,14 +1,12 @@
 import json
 from collections.abc import Mapping, Sequence
 from datetime import UTC, datetime
-from enum import Enum
+from enum import Enum, StrEnum
 from typing import TYPE_CHECKING, Any, Optional, Self, Union
 from uuid import uuid4
 
 if TYPE_CHECKING:
     from models.model import AppMode
-from enum import StrEnum
-from typing import TYPE_CHECKING
 
 import sqlalchemy as sa
 from sqlalchemy import Index, PrimaryKeyConstraint, func