diff --git a/Dockerfile b/Dockerfile
index c5f9cdd..846906a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -14,8 +14,8 @@ RUN apt-get update \
 WORKDIR /build
 COPY requirements.txt .
 
-# 安装依赖到 /python_install
-RUN pip install --no-cache-dir --prefix=/python_install -r requirements.txt -i https://pypi.tuna.tsinghua.edu.cn/simple
+RUN pip install --no-cache-dir --prefix=/python_install \
+    -r requirements.txt -i https://pypi.tuna.tsinghua.edu.cn/simple
 
 
 # ======================
@@ -23,9 +23,18 @@ RUN pip install --no-cache-dir --prefix=/python_install -r requirements.txt -i h
 # ======================
 FROM python:3.10.16-slim
 
+RUN sed -i 's|deb.debian.org|mirrors.tuna.tsinghua.edu.cn|g' /etc/apt/sources.list.d/debian.sources \
+ && sed -i 's|security.debian.org|mirrors.tuna.tsinghua.edu.cn|g' /etc/apt/sources.list.d/debian.sources
+
+# ⭐ pyodbc 运行必须安装 libodbc1（提供 libodbc.so.2）
+RUN apt-get update \
+ && apt-get install -y --no-install-recommends \
+    libodbc1 unixodbc \
+ && rm -rf /var/lib/apt/lists/*
+
 WORKDIR /app
 
-# 只复制依赖(已编译好)
+# 复制已编译好的依赖
 COPY --from=builder /python_install /usr/local
 
 # 复制代码