diff --git a/Dockerfile b/Dockerfile
index 6e690cd..9ff4976 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,10 +2,10 @@ FROM frolvlad/alpine-glibc
 
 WORKDIR /www/allinssl/
 
-RUN apk add --no-cache curl \
+RUN apk add --no-cache curl tzdata\
     && curl https://download.allinssl.com/bin/allinssl-$(uname -s)-$(uname -m).tar.gz | tar -xz -C /www/allinssl/ \
     && apk del curl
-
+ENV TZ=Asia/Shanghai
 RUN cat > /entrypoint.sh <<'EOF'
 #!/bin/sh
 if [ ! -f /www/allinssl/.initialized ]; then
diff --git a/README.md b/README.md
index b2bd42a..f91427b 100644
--- a/README.md
+++ b/README.md
@@ -46,6 +46,7 @@ docker run -itd \
   -e ALLINSSL_USER=allinssl \
   -e ALLINSSL_PWD=allinssldocker \
   -e ALLINSSL_URL=allinssl \
+  -e TZ=Asia/Shanghai \
   allinssl/allinssl:latest
 ```