diff --git a/Dockerfile b/Dockerfile
index 6cc050b3f..662347819 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,6 +4,7 @@ LABEL MAINTAINER https://github.com/DIYgod/RSSHub/
 RUN apt-get update && apt-get install -yq libgconf-2-4 apt-transport-https
 
 ENV NODE_ENV production
+ENV TZ Asia/Shanghai
 
 WORKDIR /app
 
diff --git a/docs/install/README.md b/docs/install/README.md
index 536aa44f5..969346ea7 100644
--- a/docs/install/README.md
+++ b/docs/install/README.md
@@ -70,7 +70,7 @@ $ docker pull diygod/rsshub
 然后运行 RSSHub 即可
 
 ```bash
-$ docker run -d -e "TZ=Asia/Shanghai" --name rsshub -p 1200:1200 diygod/rsshub
+$ docker run -d --name rsshub -p 1200:1200 diygod/rsshub
 ```
 
 在浏览器中打开 [http://127.0.0.1:1200/](http://127.0.0.1:1200/), enjoy it! ✅