diff --git a/Dockerfile b/Dockerfile
index aedb863..e157ac1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -24,6 +24,9 @@ RUN export http_proxy=${PROXY} && \
     apt-get install -y git && \
     # 安装 ssh 服务
     apt-get install -y openssh-server && \
+    # 时区
+    apt-get install -y tzdata && \
+    ln -fs /usr/share/zoneinfo/Asia/Shanghai /etc/localtime && dpkg-reconfigure -f noniteractive tzdata && \
     # 创建日志文件 
     touch info.log
 
@@ -46,9 +49,10 @@ RUN export http_proxy=${PROXY} && \
 # 安装 python 环境
 RUN export http_proxy=${PROXY} && \
     export https_proxy=${PROXY} && \
-    apt-get update && \
-    apt-get install --no-install-recommends -y python3.8 python3.8-dev python3.8-venv python3-pip python3-wheel build-essential && \
-    apt-get clean
+    apt update && \
+    apt install -y software-properties-common && \
+    add-apt-repository -y ppa:deadsnakes/ppa && \
+    apt install -y python3.8 python3.8-dev python3.8-venv python3-pip python3-wheel
 
 # 安装 docker 环境
 RUN export http_proxy=${PROXY} && \