diff --git a/docker/Dockerfile b/docker/Dockerfile
index 8e2bb54..ff855c8 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -45,8 +45,8 @@ RUN mkdir -p /app/data /app/logs /app/config /app/temp
 
 # 复制 requirements 并安装依赖
 COPY requirements-docker.txt .
-RUN pip install --no-cache-dir --upgrade pip && \
-    pip install --no-cache-dir -r requirements-docker.txt
+RUN pip install --no-cache-dir --upgrade pip -i https://pypi.tuna.tsinghua.edu.cn/simple && \
+    pip install --no-cache-dir -r requirements-docker.txt -i https://pypi.tuna.tsinghua.edu.cn/simple
 
 # 复制应用代码（包含所有 sanguo 模块）
 COPY sanguo_web/ /app/sanguo_web/