diff --git a/paddlespeech/server/util.py b/paddlespeech/server/util.py
index 58e86b27..48c4b8cb 100644
--- a/paddlespeech/server/util.py
+++ b/paddlespeech/server/util.py
@@ -30,9 +30,12 @@ from paddle.framework import load
 
 import paddleaudio
 from . import download
-from .. import __version__
 from .entry import client_commands
 from .entry import server_commands
+try:
+    from .. import __version__
+except ImportError:
+    __version__ = "0.0.0"  # for develop branch
 
 requests.adapters.DEFAULT_RETRIES = 3