diff --git a/python/paddle_serving_server/server.py b/python/paddle_serving_server/server.py
index 45f826470..a1ed1c1c5 100755
--- a/python/paddle_serving_server/server.py
+++ b/python/paddle_serving_server/server.py
@@ -473,7 +473,7 @@ def download_bin(self):
         folder_name = "serving-%s-%s" % (self.get_serving_bin_name(),
                                          version_tag)
         tar_name = "%s.tar.gz" % folder_name
-        bin_url = "https://paddle-serving.bj.bcebos.com/bin/%s" % tar_name
+        bin_url = "https://paddle-serving.bj.bcebos.com/test-dev/bin/%s" % tar_name
 
         self.server_path = os.path.join(self.module_path, folder_name)