diff --git a/api/apps/canvas_app.py b/api/apps/canvas_app.py
deleted file mode 100644
index 612a05fda..000000000
--- a/api/apps/canvas_app.py
+++ /dev/null
@@ -1,112 +0,0 @@
-#
-#  Copyright 2024 The InfiniFlow Authors. All Rights Reserved.
-#
-#  Licensed under the Apache License, Version 2.0 (the "License");
-#  you may not use this file except in compliance with the License.
-#  You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-#  See the License for the specific language governing permissions and
-#  limitations under the License.
-#
-import json
-
-from flask import request
-from flask_login import login_required, current_user
-
-from api.db.services.canvas_service import CanvasTemplateService, UserCanvasService
-from api.utils import get_uuid
-from api.utils.api_utils import get_json_result, server_error_response, validate_request
-from graph.canvas import Canvas
-
-
-@manager.route('/templates', methods=['GET'])
-@login_required
-def templates():
-    return get_json_result(data=[c.to_dict() for c in CanvasTemplateService.get_all()])
-
-
-@manager.route('/list', methods=['GET'])
-@login_required
-def canvas_list():
-
-    return get_json_result(data=[c.to_dict() for c in UserCanvasService.query(user_id=current_user.id)])
-
-
-@manager.route('/rm', methods=['POST'])
-@validate_request("canvas_ids")
-@login_required
-def rm():
-    for i in request.json["canvas_ids"]:
-        UserCanvasService.delete_by_id(i)
-    return get_json_result(data=True)
-
-
-@manager.route('/set', methods=['POST'])
-@validate_request("dsl", "title")
-@login_required
-def save():
-    req = request.json
-    req["user_id"] = current_user.id
-    if not isinstance(req["dsl"], str):req["dsl"] = json.dumps(req["dsl"], ensure_ascii=False)
-    try:
-        Canvas(req["dsl"])
-    except Exception as e:
-        return server_error_response(e)
-
-    req["dsl"] = json.loads(req["dsl"])
-    if "id" not in req:
-        req["id"] = get_uuid()
-        if not UserCanvasService.save(**req):
-            return server_error_response("Fail to save canvas.")
-    else:
-        UserCanvasService.update_by_id(req["id"], req)
-
-    return get_json_result(data=req)
-
-
-@manager.route('/get/<canvas_id>', methods=['GET'])
-@login_required
-def get(canvas_id):
-    e, c = UserCanvasService.get_by_id(canvas_id)
-    if not e:
-        return server_error_response("canvas not found.")
-    return get_json_result(data=c.to_dict())
-
-
-@manager.route('/run', methods=['POST'])
-@validate_request("id", "dsl")
-@login_required
-def run():
-    req = request.json
-    if not isinstance(req["dsl"], str): req["dsl"] = json.dumps(req["dsl"], ensure_ascii=False)
-    try:
-        canvas = Canvas(req["dsl"], current_user.id)
-        ans = canvas.run()
-        req["dsl"] = json.loads(str(canvas))
-        UserCanvasService.update_by_id(req["id"], dsl=req["dsl"])
-        return get_json_result(data=req["dsl"])
-    except Exception as e:
-        return server_error_response(e)
-
-
-@manager.route('/reset', methods=['POST'])
-@validate_request("canvas_id")
-@login_required
-def reset():
-    req = request.json
-    try:
-        user_canvas = UserCanvasService.get_by_id(req["canvas_id"])
-        canvas = Canvas(req["dsl"], current_user.id)
-        canvas.reset()
-        req["dsl"] = json.loads(str(canvas))
-        UserCanvasService.update_by_id(req["canvas_id"], dsl=req["dsl"])
-        return get_json_result(data=req["dsl"])
-    except Exception as e:
-        return server_error_response(e)
-
-
diff --git a/api/db/services/canvas_service.py b/api/db/services/canvas_service.py
deleted file mode 100644
index ed2cdf63a..000000000
--- a/api/db/services/canvas_service.py
+++ /dev/null
@@ -1,26 +0,0 @@
-#
-#  Copyright 2024 The InfiniFlow Authors. All Rights Reserved.
-#
-#  Licensed under the Apache License, Version 2.0 (the "License");
-#  you may not use this file except in compliance with the License.
-#  You may obtain a copy of the License at
-#
-#      http://www.apache.org/licenses/LICENSE-2.0
-#
-#  Unless required by applicable law or agreed to in writing, software
-#  distributed under the License is distributed on an "AS IS" BASIS,
-#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-#  See the License for the specific language governing permissions and
-#  limitations under the License.
-#
-from datetime import datetime
-import peewee
-from api.db.db_models import DB, API4Conversation, APIToken, Dialog, CanvasTemplate, UserCanvas
-from api.db.services.common_service import CommonService
-
-
-class CanvasTemplateService(CommonService):
-    model = CanvasTemplate
-
-class UserCanvasService(CommonService):
-    model = UserCanvas