diff --git a/python/paddle_serving_server/monitor.py b/python/paddle_serving_server/monitor.py
index fdeb0b98a23199ba9c50ebdef70b89373e32daf6..bb856ca73f0e9a88a534a552fce4d861df23f283 100644
--- a/python/paddle_serving_server/monitor.py
+++ b/python/paddle_serving_server/monitor.py
@@ -235,7 +235,7 @@ def parse_args():
     parser.add_argument("--ftp_ip", type=str, help="Ip the ftp")
     parser.add_argument("--ftp_port", type=int, help="Port the ftp")
     parser.add_argument(
-        "--hdfs_bin", type=str, default='hdfs', help="Hdfs binary file")
+        "--hdfs_bin", type=str, default='hdfs', help="Hdfs binary file path")
     return parser.parse_args()