diff --git a/venus/cmd/api.py b/venus/cmd/api.py
index 7e10e26..ddbfc30 100644
--- a/venus/cmd/api.py
+++ b/venus/cmd/api.py
@@ -1,56 +1,43 @@
-# Copyright 2020 Inspur
-#
-# 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.
-
-"""Starter script for Venus API."""
-
-import eventlet
-import os
-import sys
-
-from oslo_log import log as logging
-from oslo_reports import guru_meditation_report as gmr
-
-from venus.conf import CONF
-from venus import i18n
-from venus import rpc
-from venus import service
-from venus import utils
-from venus import version
-
-eventlet.monkey_patch()
-i18n.enable_lazy()
-
-
-def main():
-    CONF(sys.argv[1:], project='venus',
-         version=version.version_string())
-    logdir = CONF.log_dir
-    is_exists = os.path.exists(logdir)
-    if not is_exists:
-        os.makedirs(logdir)
-    logging.setup(CONF, "venus")
-    utils.monkey_patch()
-
-    gmr.TextGuruMeditation.setup_autorun(version)
-
-    rpc.init(CONF)
-
-    server = service.WSGIService('osapi_venus')
-    launcher = service.get_launcher()
-    launcher.launch_service(server, workers=server.workers)
-    launcher.wait()
-
-
-if __name__ == "__main__":
-    main()
+# Copyright 2020 Inspur
+#
+# 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.
+
+"""Starter script for Venus API."""
+
+import os
+import sys
+
+from oslo_log import log as logging
+
+from venus.conf import CONF
+from venus import service
+from venus import version
+
+
+def main():
+    CONF(sys.argv[1:], project='venus',
+         version=version.version_string())
+    logdir = CONF.log_dir
+    is_exists = os.path.exists(logdir)
+    if not is_exists:
+        os.makedirs(logdir)
+    logging.setup(CONF, "venus")
+
+    server = service.WSGIService('osapi_venus')
+    launcher = service.get_launcher()
+    launcher.launch_service(server, workers=server.workers)
+    launcher.wait()
+
+
+if __name__ == "__main__":
+    main()