diff --git a/api/__init__.py b/api/__init__.py
index 643f797..4cb49d4 100644
--- a/api/__init__.py
+++ b/api/__init__.py
@@ -14,5 +14,15 @@
 #  limitations under the License.
 #
 
+from pathlib import Path
+
 from beartype.claw import beartype_this_package
+from dotenv import load_dotenv
+
+from api.root_path import get_root_folder
+
 beartype_this_package()
+
+# 初始化加载环境变量
+env_path = Path(get_root_folder()) / "docker" / ".env"
+load_dotenv(env_path)
diff --git a/api/db/services/dialog_service.py b/api/db/services/dialog_service.py
index 12d41c4..7c23bc8 100644
--- a/api/db/services/dialog_service.py
+++ b/api/db/services/dialog_service.py
@@ -13,23 +13,25 @@
 #  See the License for the specific language governing permissions and
 #  limitations under the License.
 #
-import logging
 import binascii
-import time
+import logging
 import re
+import time
 from copy import deepcopy
 from timeit import default_timer as timer
+
+from api import settings
 from api.db import LLMType, ParserType, StatusEnum
-from api.db.db_models import Dialog, DB
+from api.db.db_models import DB, Dialog
 from api.db.services.common_service import CommonService
 from api.db.services.knowledgebase_service import KnowledgebaseService
-from api.db.services.llm_service import TenantLLMService, LLMBundle
-from api import settings
+from api.db.services.llm_service import LLMBundle, TenantLLMService
 from rag.app.resume import forbidden_select_fields4resume
 from rag.app.tag import label_question
 from rag.nlp.search import index_name
-from rag.prompts import kb_prompt, message_fit_in, llm_id2llm_type, keyword_extraction, chunks_format, citation_prompt
-from rag.utils import rmSpace, num_tokens_from_string
+from rag.prompts import chunks_format, citation_prompt, kb_prompt, keyword_extraction, llm_id2llm_type, message_fit_in
+from rag.utils import num_tokens_from_string, rmSpace
+
 from .database import MINIO_CONFIG
 
 
diff --git a/api/ragflow_server.py b/api/ragflow_server.py
index e8598a7..6cb2d7e 100644
--- a/api/ragflow_server.py
+++ b/api/ragflow_server.py
@@ -6,9 +6,7 @@ import threading
 import time
 import traceback
 from concurrent.futures import ThreadPoolExecutor
-from pathlib import Path
 
-from dotenv import load_dotenv
 from werkzeug.serving import run_simple
 
 from api import settings, utils
@@ -17,17 +15,12 @@ from api.db.db_models import init_database_tables as init_web_db
 from api.db.init_data import init_llm_factory
 from api.db.runtime_config import RuntimeConfig
 from api.db.services.document_service import DocumentService
-from api.root_path import get_root_folder
 from api.utils import show_configs
 from api.utils.log_utils import initRootLogger
 from api.versions import get_ragflow_version
 from rag.settings import print_rag_settings
 from rag.utils.redis_conn import RedisDistributedLock
 
-# 加载环境变量
-env_path = Path(get_root_folder()) / "docker" / ".env"
-load_dotenv(env_path)
-
 initRootLogger("ragflow_server")
 
 stop_event = threading.Event()