diff --git a/system/tests.py b/system/tests.py
index 4ae0c8f..198467d 100644
--- a/system/tests.py
+++ b/system/tests.py
@@ -1,41 +1,11 @@
-from django.test import TestCase
-
-# Create your tests here.
-from datetime import timedelta, datetime
-
-import airflow
-from airflow import DAG
-from airflow.operators.bash_operator import BashOperator
-from airflow.operators.dummy_operator import DummyOperator
-
-default_args = {
-    'owner': 'jifeng.si',
-    'depends_on_past': False,
-    # 'depends_on_past': True,
-    #'start_date': airflow.utils.dates.days_ago(2),
-    'start_date': datetime(2018, 5, 2),
-    'email': ['1219957063@qq.com'],
-    'email_on_failure': False,
-    'email_on_retry': False,
-    'retries': 1,
-    'retry_delay': timedelta(minutes=5),
-}
-
-dag = DAG(
-    'example_hello_world_dag',
-    default_args=default_args,
-    description='my first DAG',
-    schedule_interval='*/25 * * * *',
-    start_date=datetime(2018, 5, 28)
-)
-
-dummy_operator = DummyOperator(task_id='dummy_task', dag=dag)
-
-hello_operator = BashOperator(
-    task_id='sleep_task',
-    depends_on_past=False,
-    bash_command='echo `date` >> /home/py/test.txt',
-    dag=dag
-)
-
-dummy_operator >> hello_operator
\ No newline at end of file
+from django.test import TestCase
+
+# Create your tests here.
+
+
+class SystemSmokeTest(TestCase):
+    """基础冒烟测试：确认 system 应用可正常加载。"""
+
+    def test_import(self):
+        from system import views  # noqa: F401
+        self.assertTrue(True)