fix error.

Dockerfile

@@ -39,7 +39,7 @@ RUN pip install --upgrade pip -i https://mirrors.aliyun.com/pypi/simple && \
     cd /tmp && \
     git clone https://github.com/opendatalab/MinerU.git && \
     cd MinerU && \
-    uv pip install -e .[all] -i https://mirrors.aliyun.com/pypi/simple && \
+    uv pip install --system -e .[all] -i https://mirrors.aliyun.com/pypi/simple && \
     cd /
 
 # 验证安装