diff --git a/docker/ubuntu20-cpu/Dockerfile b/docker/ubuntu20-cpu/Dockerfile
index 193b24ed1..bb113b2f2 100644
--- a/docker/ubuntu20-cpu/Dockerfile
+++ b/docker/ubuntu20-cpu/Dockerfile
@@ -1,5 +1,5 @@
 FROM registry.baidubce.com/paddlepaddle/paddle:3.0.0b1
-LABEL maintainer="paddlesl@baidu.com"
+LABEL maintainer="ext_paddle_oss@baidu.com"
 
 RUN apt-get update \
   && apt-get install libsndfile-dev libsndfile1 \