diff --git a/Dockerfile b/Dockerfile
index 7d40f06aac9fe3fa6c57669d4609413d0c1db8de..e6c2ed82db23be7de14e05877cd73051f06d8a8d 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,7 +12,6 @@ RUN yum -y install epel-release && cd /tmp/requirements && \
 RUN cd /tmp/requirements &&  pip install -r requirements.txt
 
 COPY . /opt/jumpserver
-COPY config_example.yml /opt/jumpserver/config.yml
 VOLUME /opt/jumpserver/data
 VOLUME /opt/jumpserver/logs
 
diff --git a/apps/jumpserver/conf.py b/apps/jumpserver/conf.py
index 7e96ff91b0375ea75d2644d1cc02d873362528eb..b4f3ff0a133e1894c297a476de5958a46bae7833 100644
--- a/apps/jumpserver/conf.py
+++ b/apps/jumpserver/conf.py
@@ -340,29 +340,33 @@ defaults = {
 }
 
 
-def load_user_config():
-    sys.path.insert(0, PROJECT_DIR)
-    config = Config(PROJECT_DIR, defaults)
-    loaded = False
-
-    for i in ['config.yml', 'config.yaml']:
-        if os.path.isfile(os.path.join(config.root_path, i)):
-            config.from_yaml(i)
-            loaded = True
-
+def load_from_object(config):
     try:
         from config import config as c
         config.from_object(c)
-        loaded = True
+        return True
     except ImportError:
         pass
+    return False
 
-    try:
-        config.from_yaml('config.yml')
-        loaded = True
-    except IOError:
-        pass
 
+def load_from_yml(config):
+    for i in ['config.yml', 'config.yaml']:
+        if not os.path.isfile(os.path.join(config.root_path, i)):
+            continue
+        loaded = config.from_yaml(i)
+        if loaded:
+            return True
+    return False
+
+
+def load_user_config():
+    sys.path.insert(0, PROJECT_DIR)
+    config = Config(PROJECT_DIR, defaults)
+
+    loaded = load_from_object(config)
+    if not loaded:
+        loaded = load_from_yml(config)
     if not loaded:
         msg = """
     
diff --git a/apps/ops/tasks.py b/apps/ops/tasks.py
index ac0bdce89148d2e0357207771289ddff22e2f1e7..06bf3d51d6bacbb75de756cad6a5427849efd34d 100644
--- a/apps/ops/tasks.py
+++ b/apps/ops/tasks.py
@@ -1,9 +1,12 @@
 # coding: utf-8
+import os
+
 from celery import shared_task, subtask
+from django.utils import timezone
 
 from common.utils import get_logger, get_object_or_none
 from .celery.utils import register_as_period_task, after_app_shutdown_clean
-from .models import Task, CommandExecution
+from .models import Task, CommandExecution, CeleryTask
 
 logger = get_logger(__file__)
 
@@ -48,6 +51,24 @@ def clean_tasks_adhoc_period():
             ad.delete()
 
 
+@shared_task
+@register_as_period_task(interval=3600*24)
+@after_app_shutdown_clean
+def clean_celery_tasks_period():
+    logger.debug("Start clean celery task history")
+    one_month_ago = timezone.now() - timezone.timedelta(days=30)
+    tasks = CeleryTask.objects.filter(date_start__lt=one_month_ago)
+    for task in tasks:
+        if os.path.isfile(task.full_log_path):
+            try:
+                os.remove(task.full_log_path)
+            except (FileNotFoundError, PermissionError):
+                pass
+        task.delete()
+    tasks = CeleryTask.objects.filter(date_start__isnull=True)
+    tasks.delete()
+
+
 @shared_task
 def hello(name, callback=None):
     print("Hello {}".format(name))
diff --git a/apps/terminal/tasks.py b/apps/terminal/tasks.py
index 77aa662269210f0f12766790fb3718c80b0a5eca..e47803b3c758929ea01bf74c64229116fd93d772 100644
--- a/apps/terminal/tasks.py
+++ b/apps/terminal/tasks.py
@@ -25,7 +25,7 @@ logger = get_task_logger(__name__)
 @after_app_ready_start
 @after_app_shutdown_clean
 def delete_terminal_status_period():
-    yesterday = timezone.now() - datetime.timedelta(days=3)
+    yesterday = timezone.now() - datetime.timedelta(days=1)
     Status.objects.filter(date_created__lt=yesterday).delete()
 
 
diff --git a/jms b/jms
index f1d0a6944cbe6e3a43b9201caf056b33b55271ae..cd9ad396d2bb5e8e2cdc9efa3ce1baf3eb075481 100755
--- a/jms
+++ b/jms
@@ -15,7 +15,8 @@ sys.path.append(BASE_DIR)
 from apps import __version__
 
 try:
-    from config import config as CONFIG
+    from apps.jumpserver.conf import load_user_config
+    CONFIG = load_user_config()
 except ImportError:
     print("Could not find config file, `cp config_example.py config.py`")
     sys.exit(1)