diff --git a/Dockerfile b/Dockerfile
index 23fa038..e6302e3 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -33,7 +33,7 @@ RUN npm install -g http-server
 # 复制后端代码并安装依赖
 WORKDIR /app/back
 COPY back/requirements.txt .
-RUN pip install --no-cache-dir -r requirements.txt
+RUN pip install -r requirements.txt
 COPY back/ .
 RUN ls -l /app/back