From 8968a22fb06a8a7a313ee9b4bdde7d8a58e33f0d Mon Sep 17 00:00:00 2001
From: cnn <liuhui29@baidu.com>
Date: Wed, 21 Apr 2021 16:12:10 +0800
Subject: [PATCH] [doc] add ext_op build doc (#2709)

* add ext_op build doc, test=fix_document

* add note for JetPack version with machine
---
 configs/dota/README.md          | 10 ++++++++++
 deploy/cpp/docs/Jetson_build.md |  2 ++
 2 files changed, 12 insertions(+)

diff --git a/configs/dota/README.md b/configs/dota/README.md
index 250d0bc9a..3fe6bd803 100644
--- a/configs/dota/README.md
+++ b/configs/dota/README.md
@@ -66,6 +66,16 @@ paddle.utils.run_check()
 python3.7 setup.py install
 ```
 
+Windows环境请按照如下步骤安装：
+
+（1）准备Visual Studio (版本需要>=Visual Studio 2015 update3)，这里以VS2017为例；
+
+（2）点击开始-->Visual Studio 2017-->适用于 VS 2017 的x64本机工具命令提示；
+
+（3）设置环境变量：`set DISTUTILS_USE_SDK=1`
+
+（4）进入`PaddleDetection/ppdet/ext_op`目录，通过`python3.7 setup.py install`命令进行安装。
+
 安装完成后，测试自定义op是否可以正常编译以及计算结果：
 ```
 cd PaddleDetecetion/ppdet/ext_op
diff --git a/deploy/cpp/docs/Jetson_build.md b/deploy/cpp/docs/Jetson_build.md
index f5d147f8f..d7ece3058 100644
--- a/deploy/cpp/docs/Jetson_build.md
+++ b/deploy/cpp/docs/Jetson_build.md
@@ -18,6 +18,8 @@ cat /etc/nv_tegra_release
 
 * (3) 下载`JetPack`，请参考[NVIDIA Jetson Linux Developer Guide](https://docs.nvidia.com/jetson/l4t/index.html) 中的`Preparing a Jetson Developer Kit for Use`章节内容进行刷写系统镜像。
 
+**注意**: 请在[jetpack-archive](https://developer.nvidia.com/embedded/jetpack-archive) 根据硬件选择适配的`JetPack`版本进行刷机。
+
 ## 下载或编译`Paddle`预测库
 本文档使用`Paddle`在`JetPack4.3`上预先编译好的预测库，请根据硬件在[安装与编译 Linux 预测库](https://www.paddlepaddle.org.cn/documentation/docs/zh/guides/05_inference_deployment/inference/build_and_install_lib_cn.html) 中选择对应版本的`Paddle`预测库。
 
-- 
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