diff --git a/Dockerfile.demo b/Dockerfile.demo
index 7aa2dc1a8cf79dee05c814e0afa5ac28943aaae7..e3a1f6165d0521afec3b5df61c8931492361e9f6 100644
--- a/Dockerfile.demo
+++ b/Dockerfile.demo
@@ -2,7 +2,7 @@ FROM tatsushid/tinycore-python:2.7
 
 RUN pip install visualdl
 WORKDIR /
-COPY ./demo/vdl_scratch.py vdl_scratch.py
-RUN python /vdl_scratch.py
+COPY ./demo/vdl_create_scratch_log vdl_create_scratch_log
+RUN python /vdl_create_scratch_log
 
 ENTRYPOINT ["visualDL", "--logdir=/scratch_log"]
\ No newline at end of file