diff --git a/Dockerfile b/Dockerfile
index 77c1d9854..a691f0d1f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -51,8 +51,9 @@ RUN ARCH=$(uname -m) && case $ARCH in aarch64) ARCH="arm64";; x86_64) ARCH="amd6
     rm -rf /tmp/* /var/tmp/* /var/cache/apk/* && \
     chmod -R 755 /tmp && mkdir -p /opt/webkubectl
 
-
-ENV TZ='Asia/Shanghai';
+RUN apk add tzdata && cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime \
+    && echo "Asia/Shanghai" > /etc/timezone \
+    && apk del tzdata
 
 COPY vimrc.local /etc/vim