diff --git a/.gitignore b/.gitignore
index b2bfc31..21485c0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -16,6 +16,7 @@ tests/*
 # C extensions
 *.so
 logs/*.log
+!logs/test.log
 # Distribution / packaging
 .Python
 build/
diff --git a/Dockerfile b/Dockerfile
index ff2ffbf..70be326 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,10 +12,6 @@ ENV PYTHONDONTWRITEBYTECODE 1
 
 ENV PYTHONUNBUFFERED 1
 
-RUN mkdir logs
-RUN touch logs/test.log
-RUN ls logs
-
 RUN mkdir ~/.pip
 RUN echo "[global]" > ~/.pip/pip.conf
 RUN echo "index-url = https://pypi.tuna.tsinghua.edu.cn/simple" >> ~/.pip/pip.conf