diff --git a/app/service/time_series_detector/detect_service.py b/app/service/time_series_detector/detect_service.py
index 24fea24..be67b51 100644
--- a/app/service/time_series_detector/detect_service.py
+++ b/app/service/time_series_detector/detect_service.py
@@ -10,7 +10,7 @@ Unless required by applicable law or agreed to in writing, software distributed
 
 import time
 import os
-from multiprocessing import Process
+import threading
 from app.dao.time_series_detector import anomaly_op
 from app.dao.time_series_detector import sample_op
 from app.dao.time_series_detector import train_op
@@ -99,8 +99,9 @@ class DetectService(object):
             return build_ret_data(LACK_SAMPLE, "")
         train_op_obj.insert_train_info(train_params)
         try:
-            process = Process(target=self.__generate_model, args=(samples_list, task_id, ))
-            process.start()
+            t = threading.Thread(target=self.__generate_model, args=(samples_list, task_id, ))
+            t.setDaemon(False)
+            t.start()
         except Exception:
             train_status = "failed"
             params = {
diff --git a/docs/install.md b/docs/install.md
index 1987b65..4b90093 100644
--- a/docs/install.md
+++ b/docs/install.md
@@ -22,7 +22,7 @@
 | python版本:| 2.7版本|
 | MySQL版本:| 5.6.26及以上版本|
 | Node.js版本:| 8.11.1及以上版本|s
-| Django版本:| 1.11.13及以上版本|
+| Django版本:| 1.x.x 版本|
 
 运行服务器要求：1台普通安装linux系统的机器即可（推荐CentOS系统），服务器需要开放80和8080端口
 
@@ -188,4 +188,4 @@ service docker start
 ```
 Metis/docker/start.sh ${IP}
 ```
-等待部署完成后,可以通过浏览器直接访问: `http://${IP}`
+等待部署完成后,可以通过浏览器直接访问: `http://${IP}`
\ No newline at end of file
diff --git a/tests/test_common.py b/tests/test_common.py
deleted file mode 100644
index dfd9a3f..0000000
--- a/tests/test_common.py
+++ /dev/null
@@ -1,25 +0,0 @@
-#!/usr/bin/env python
-# -*- coding: UTF-8 -*-
-"""
-Tencent is pleased to support the open source community by making Metis available.
-Copyright (C) 2018 THL A29 Limited, a Tencent company. All rights reserved.
-Licensed under the BSD 3-Clause License (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at
-https://opensource.org/licenses/BSD-3-Clause
-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 tests.fixtures import DataTestCase
-from app.config.common import *
-from app.utils.utils import *
-
-class CommonTestCase(DataTestCase):
-
-    def test_check_value(self):
-        str_param = self.generate_random_str(INPUT_LEN_ENG_MAX+1)
-        self.assertTrue(validate_value(str_param) != 0 )
-        list_param = []
-        for i in range(0,INPUT_LIST_LEN_MAX):
-            list_param.append(self.generate_random_str(INPUT_LEN_ENG_MAX))
-        self.assertTrue(validate_value(list_param) == 0 )
-        list_param.append(self.generate_random_str(INPUT_LEN_ENG_MAX))
-        self.assertFalse(validate_value(list_param) == 0 )