diff --git a/Dockerfile b/Dockerfile
index 8a052f53..d6ca65fe 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,11 +1,8 @@
 # 使用最新的 Ubuntu 基础镜像
 FROM ubuntu:latest
 
-# 安装 tzdata 包
-RUN apt-get update && \
-    apt-get install -y tzdata && \
-    ln -snf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime && \
-    echo 'Asia/Shanghai' > /etc/timezone
+# 设置环境变量
+ENV TZ=Asia/Shanghai
 
 FROM golang:1.23.2 AS builder
 WORKDIR /go/src/github.com/YuCN0010/DeepLX