diff --git a/Dockerfile b/Dockerfile
index 23e2daf..624d3df 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -14,11 +14,12 @@ ENV PYTHONDONTWRITEBYTECODE=1 \
 RUN ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime && \
     echo "Asia/Shanghai" > /etc/timezone
 
-# 使用阿里云镜像源
-RUN echo "deb https://mirrors.aliyun.com/debian/ bullseye main non-free contrib" > /etc/apt/sources.list && \
-    echo "deb https://mirrors.aliyun.com/debian-security/ bullseye-security main" >> /etc/apt/sources.list && \
-    echo "deb https://mirrors.aliyun.com/debian/ bullseye-updates main non-free contrib" >> /etc/apt/sources.list && \
-    echo "deb https://mirrors.aliyun.com/debian/ bullseye-backports main non-free contrib" >> /etc/apt/sources.list
+# 备份原始源并使用阿里云镜像源
+RUN cp /etc/apt/sources.list /etc/apt/sources.list.bak && \
+    echo "deb https://mirrors.aliyun.com/debian/ bookworm main non-free contrib" > /etc/apt/sources.list && \
+    echo "deb https://mirrors.aliyun.com/debian-security/ bookworm-security main" >> /etc/apt/sources.list && \
+    echo "deb https://mirrors.aliyun.com/debian/ bookworm-updates main non-free contrib" >> /etc/apt/sources.list && \
+    echo "deb https://mirrors.aliyun.com/debian/ bookworm-backports main non-free contrib" >> /etc/apt/sources.list
 
 # 安装构建依赖
 RUN apt-get update && apt-get install -y --no-install-recommends \
@@ -57,11 +58,12 @@ ENV PYTHONDONTWRITEBYTECODE=1 \
 RUN ln -sf /usr/share/zoneinfo/Asia/Shanghai /etc/localtime && \
     echo "Asia/Shanghai" > /etc/timezone
 
-# 使用阿里云镜像源
-RUN echo "deb https://mirrors.aliyun.com/debian/ bullseye main non-free contrib" > /etc/apt/sources.list && \
-    echo "deb https://mirrors.aliyun.com/debian-security/ bullseye-security main" >> /etc/apt/sources.list && \
-    echo "deb https://mirrors.aliyun.com/debian/ bullseye-updates main non-free contrib" >> /etc/apt/sources.list && \
-    echo "deb https://mirrors.aliyun.com/debian/ bullseye-backports main non-free contrib" >> /etc/apt/sources.list
+# 备份原始源并使用阿里云镜像源
+RUN cp /etc/apt/sources.list /etc/apt/sources.list.bak && \
+    echo "deb https://mirrors.aliyun.com/debian/ bookworm main non-free contrib" > /etc/apt/sources.list && \
+    echo "deb https://mirrors.aliyun.com/debian-security/ bookworm-security main" >> /etc/apt/sources.list && \
+    echo "deb https://mirrors.aliyun.com/debian/ bookworm-updates main non-free contrib" >> /etc/apt/sources.list && \
+    echo "deb https://mirrors.aliyun.com/debian/ bookworm-backports main non-free contrib" >> /etc/apt/sources.list
 
 # 安装运行时依赖
 RUN apt-get update && apt-get install -y --no-install-recommends \