diff --git a/docker/Dockerfile b/docker/Dockerfile
index 7a62828..6459a7a 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -1,6 +1,6 @@
 FROM oven/bun:1-alpine
 
-RUN /bin/sh -c apk update && apk add tzdata && cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime && echo "Asia/Shanghai" > /etc/timezone
+RUN ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime
 
 WORKDIR /app