diff --git a/python/paddle_serving_server_gpu/__init__.py b/python/paddle_serving_server_gpu/__init__.py
index 86f714156fcb60e842275a88418d2fba1b85fa02..3984bc28fe3087e4b4c8ecdbfffbdbc1ba1581ea 100644
--- a/python/paddle_serving_server_gpu/__init__.py
+++ b/python/paddle_serving_server_gpu/__init__.py
@@ -25,7 +25,8 @@ from .version import serving_server_version
 from contextlib import closing
 import argparse
 import collections
-import fcntl
+if sys.platform.startswith('win') is False:
+    import fcntl
 import shutil
 import numpy as np
 import grpc