diff --git a/doc/getstarted/build_and_install/build_from_source_cn.rst b/doc/getstarted/build_and_install/build_from_source_cn.rst
index 1e75087462ba4fc749037b63cfb367056274e0b9..71904dc41ed0d946867d890cc585e1b88450ca8c 100644
--- a/doc/getstarted/build_and_install/build_from_source_cn.rst
+++ b/doc/getstarted/build_and_install/build_from_source_cn.rst
@@ -32,10 +32,15 @@ PaddlePaddle主要使用 `CMake <https://cmake.org>`_ 以及GCC, G++作为编译
 
    pip install build/python/dist/*.whl
 
-如果机器中已经安装过PaddlePaddle，请卸载再安装：
+如果机器中已经安装过PaddlePaddle，有两种方法：
 
 .. code-block:: bash
 
+   1. 先卸载之前的版本，再重新安装
+   pip uninstall paddlepaddle
+   pip install build/python/dist/*.whl
+
+   2. 直接升级到更新的版本
    pip install build/python/dist/*.whl -U
 
 .. _run_test:
diff --git a/doc/getstarted/build_and_install/build_from_source_en.rst b/doc/getstarted/build_and_install/build_from_source_en.rst
index fde8a18daa2ad1e0c6b77b32eff4e3a4ce2416fc..27f73b2e2c029b41d514e1612912ed1c335605b6 100644
--- a/doc/getstarted/build_and_install/build_from_source_en.rst
+++ b/doc/getstarted/build_and_install/build_from_source_en.rst
@@ -36,10 +36,15 @@ machine or copy it to the target machine.
 
    pip install build/python/dist/*.whl
 
-If the machine has installed PaddlePaddle before, please uninstall it first and reinstall it again.
+If the machine has installed PaddlePaddle before, there are two methods:
 
 .. code-block:: bash
 
+   1. uninstall and reinstall
+   pip uninstall paddlepaddle
+   pip install build/python/dist/*.whl
+
+   2. upgrade directly
    pip install build/python/dist/*.whl -U
 
 .. _run_test: