1.官方文档
https://github.com/PaddlePaddle/PaddleOCR/blob/release/2.7/deploy/pdserving/README_CN.md
安装最新版：https://github.com/PaddlePaddle/Serving/blob/v0.8.3/doc/Latest_Packages_CN.md
2.pip3安装whl时要换源，换成百度的：-i https://mirror.baidu.com/pypi/simple
https://www.w3xue.com/exp/article/20236/84224.html