diff --git a/PaddleCV/yolov3/README.md b/PaddleCV/yolov3/README.md
index 157cd9330afa76d2e8e320d0f3d12cd0a00b16a0..6f14bea951a103f3496467f52108db7ab40b8330 100644
--- a/PaddleCV/yolov3/README.md
+++ b/PaddleCV/yolov3/README.md
@@ -12,7 +12,7 @@
 
 ## Installation
 
-Running sample code in this directory requires PaddelPaddle Fluid v.1.4 and later. If the PaddlePaddle on your device is lower than this version, please follow the instructions in [installation document](http://www.paddlepaddle.org/documentation/docs/zh/1.4/beginners_guide/install/install_doc.html#paddlepaddle) and make an update.
+Running sample code in this directory requires PaddelPaddle Fluid v.1.4 and later. If the PaddlePaddle on your device is lower than this version, please follow the instructions in [installation document](http://www.paddlepaddle.org/documentation/docs/en/1.4/beginners_guide/install/index_en.html) and make an update.
 
 ## Introduction
 
diff --git a/PaddleCV/yolov3/README_cn.md b/PaddleCV/yolov3/README_cn.md
index 5316a9fe4a91f44eea5cb5ef589b0cb3928312f7..cd12f8353bb19657931839cbaa51ee983297de17 100644
--- a/PaddleCV/yolov3/README_cn.md
+++ b/PaddleCV/yolov3/README_cn.md
@@ -12,7 +12,7 @@
 
 ## 安装
 
-在当前目录下运行样例代码需要PadddlePaddle Fluid的v.1.4或以上的版本。如果你的运行环境中的PaddlePaddle低于此版本，请根据[安装文档](http://www.paddlepaddle.org/documentation/docs/zh/1.4/beginners_guide/install/install_doc.html#paddlepaddle)中的说明来更新PaddlePaddle。
+在当前目录下运行样例代码需要PadddlePaddle Fluid的v.1.4或以上的版本。如果你的运行环境中的PaddlePaddle低于此版本，请根据[安装文档](http://paddlepaddle.org/documentation/docs/zh/1.4/beginners_guide/install/index_cn.html)中的说明来更新PaddlePaddle。
 
 ## 简介