diff --git a/paddlehub/utils/log.py b/paddlehub/utils/log.py
index 092063adf0acd5b28b362dd7049c760284fbe1a3..7d4f72df1092d76cd6c83466176922c96f3a03aa 100644
--- a/paddlehub/utils/log.py
+++ b/paddlehub/utils/log.py
@@ -139,6 +139,7 @@ class Logger(object):
                 index += 1
 
         t = threading.Thread(target=_printer)
+        t.daemon = True
         t.start()
         yield
         end = True