diff --git a/server/visualdl/visual_dl.py b/server/visualdl/visual_dl.py
index f27a9bce1ecec73faa998f05331539449ff4feb0..24228edcf5e5680ca253af0f587d8592e1f948b3 100644
--- a/server/visualdl/visual_dl.py
+++ b/server/visualdl/visual_dl.py
@@ -1,5 +1,3 @@
-""" entry point of visual_dl
-"""
 import json
 import os
 import re