diff --git a/admin/server/admin_server.py b/admin/server/admin_server.py
index ddfffe02e..c14c7d4cc 100644
--- a/admin/server/admin_server.py
+++ b/admin/server/admin_server.py
@@ -24,7 +24,7 @@ from werkzeug.serving import run_simple
 from flask import Flask
 from routes import admin_bp
 from api.utils.log_utils import init_root_logger
-from api.constants import SERVICE_CONF
+from common.contants import SERVICE_CONF
 from api import settings
 from config import load_configurations, SERVICE_CONFIGS
 from auth import init_default_admin, setup_auth
diff --git a/api/constants.py b/api/constants.py
index ce5cdeb3a..464b7d8e6 100644
--- a/api/constants.py
+++ b/api/constants.py
@@ -17,8 +17,6 @@ NAME_LENGTH_LIMIT = 2**10
 
 IMG_BASE64_PREFIX = "data:image/png;base64,"
 
-SERVICE_CONF = "service_conf.yaml"
-
 API_VERSION = "v1"
 RAG_FLOW_SERVICE_NAME = "ragflow"
 REQUEST_WAIT_SEC = 2
diff --git a/api/utils/configs.py b/api/utils/configs.py
index c586d9091..c8efebf11 100644
--- a/api/utils/configs.py
+++ b/api/utils/configs.py
@@ -26,7 +26,7 @@ from api.utils import file_utils
 from common.file_utils import get_project_base_directory
 from filelock import FileLock
 from api.utils.common import bytes_to_string, string_to_bytes
-from api.constants import SERVICE_CONF
+from common.contants import SERVICE_CONF
 
 
 def conf_realpath(conf_name):
diff --git a/common/contants.py b/common/contants.py
new file mode 100644
index 000000000..a6e7f7a3c
--- /dev/null
+++ b/common/contants.py
@@ -0,0 +1,64 @@
+#
+#  Copyright 2025 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.
+#
+
+SERVICE_CONF = "service_conf.yaml"
+
+# environment
+# ENV_STRONG_TEST_COUNT = "STRONG_TEST_COUNT"
+# ENV_RAGFLOW_SECRET_KEY = "RAGFLOW_SECRET_KEY"
+# ENV_REGISTER_ENABLED = "REGISTER_ENABLED"
+# ENV_DOC_ENGINE = "DOC_ENGINE"
+# ENV_SANDBOX_ENABLED = "SANDBOX_ENABLED"
+# ENV_SANDBOX_HOST = "SANDBOX_HOST"
+# ENV_MAX_CONTENT_LENGTH = "MAX_CONTENT_LENGTH"
+# ENV_COMPONENT_EXEC_TIMEOUT = "COMPONENT_EXEC_TIMEOUT"
+# ENV_TRINO_USE_TLS = "TRINO_USE_TLS"
+# ENV_MAX_FILE_NUM_PER_USER = "MAX_FILE_NUM_PER_USER"
+# ENV_MACOS = "MACOS"
+# ENV_RAGFLOW_DEBUGPY_LISTEN = "RAGFLOW_DEBUGPY_LISTEN"
+# ENV_WERKZEUG_RUN_MAIN = "WERKZEUG_RUN_MAIN"
+# ENV_DISABLE_SDK = "DISABLE_SDK"
+# ENV_ENABLE_TIMEOUT_ASSERTION = "ENABLE_TIMEOUT_ASSERTION"
+# ENV_LOG_LEVELS = "LOG_LEVELS"
+# ENV_TENSORRT_DLA_SVR = "TENSORRT_DLA_SVR"
+# ENV_OCR_GPU_MEM_LIMIT_MB = "OCR_GPU_MEM_LIMIT_MB"
+# ENV_OCR_ARENA_EXTEND_STRATEGY = "OCR_ARENA_EXTEND_STRATEGY"
+# ENV_MAX_CONCURRENT_PROCESS_AND_EXTRACT_CHUNK = "MAX_CONCURRENT_PROCESS_AND_EXTRACT_CHUNK"
+# ENV_MAX_MAX_CONCURRENT_CHATS = "MAX_CONCURRENT_CHATS"
+# ENV_RAGFLOW_MCP_BASE_URL = "RAGFLOW_MCP_BASE_URL"
+# ENV_RAGFLOW_MCP_HOST = "RAGFLOW_MCP_HOST"
+# ENV_RAGFLOW_MCP_PORT = "RAGFLOW_MCP_PORT"
+# ENV_RAGFLOW_MCP_LAUNCH_MODE = "RAGFLOW_MCP_LAUNCH_MODE"
+# ENV_RAGFLOW_MCP_HOST_API_KEY = "RAGFLOW_MCP_HOST_API_KEY"
+# ENV_MINERU_EXECUTABLE = "MINERU_EXECUTABLE"
+# ENV_MINERU_APISERVER = "MINERU_APISERVER"
+# ENV_MINERU_OUTPUT_DIR = "MINERU_OUTPUT_DIR"
+# ENV_MINERU_BACKEND = "MINERU_BACKEND"
+# ENV_MINERU_DELETE_OUTPUT = "MINERU_DELETE_OUTPUT"
+# ENV_TCADP_OUTPUT_DIR = "TCADP_OUTPUT_DIR"
+# ENV_LM_TIMEOUT_SECONDS = "LM_TIMEOUT_SECONDS"
+# ENV_LLM_MAX_RETRIES = "LLM_MAX_RETRIES"
+# ENV_LLM_BASE_DELAY = "LLM_BASE_DELAY"
+# ENV_OLLAMA_KEEP_ALIVE = "OLLAMA_KEEP_ALIVE"
+# ENV_DOC_BULK_SIZE = "DOC_BULK_SIZE"
+# ENV_EMBEDDING_BATCH_SIZE = "EMBEDDING_BATCH_SIZE"
+# ENV_MAX_CONCURRENT_TASKS = "MAX_CONCURRENT_TASKS"
+# ENV_MAX_CONCURRENT_CHUNK_BUILDERS = "MAX_CONCURRENT_CHUNK_BUILDERS"
+# ENV_MAX_CONCURRENT_MINIO = "MAX_CONCURRENT_MINIO"
+# ENV_WORKER_HEARTBEAT_TIMEOUT = "WORKER_HEARTBEAT_TIMEOUT"
+# ENV_TRACE_MALLOC_ENABLED = "TRACE_MALLOC_ENABLED"
+
+