diff --git a/Dockerfile b/Dockerfile
index 3ec3b53..0b88053 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,10 +1,9 @@
 FROM python:3-alpine
-LABEL maintainer="mailto@wolfbolin.com"
+LABEL maintainer="x.yangtze.river@gmail.com"
 
 ENV CRON_SIGNIN='30 9 * * *'
 ENV MULTI=TRUE
 ENV TZ=Asia/Shanghai
-RUN adduser app -D
 RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.tuna.tsinghua.edu.cn/g' /etc/apk/repositories \
 	&& apk add --no-cache tzdata
 
@@ -12,7 +11,6 @@ WORKDIR /tmp
 ADD requirements.txt ./
 RUN pip3 install -i https://pypi.tuna.tsinghua.edu.cn/simple -r requirements.txt 
 
-USER app
 WORKDIR /var/app
 COPY . /var/app