Update Dockerfile

Dockerfile

@@ -16,7 +16,7 @@ RUN apt update \
 # 安装Python依赖
 COPY ./requirements.txt .
 RUN pip install --no-cache-dir --upgrade pip && \
-  pip install --no-cache-dir -r requirements.txt
+  pip install --no-cache-dir -U -r requirements.txt
 
 # 创建目录并设置正确的权限
 RUN sudo find / \