diff --git a/install/mindspore_cpu_install.md b/install/mindspore_cpu_install.md
index 8681979ad427b6f4a6cd7eb27f619a7899663b94..64314259bdb22b9021a733595de0e6bf8a960570 100644
--- a/install/mindspore_cpu_install.md
+++ b/install/mindspore_cpu_install.md
@@ -56,7 +56,7 @@
     bash build.sh -e cpu -z -j4
     ```
     > - 在执行上述命令前，需保证可执行文件cmake和patch所在路径已加入环境变量PATH中。
-    > - build.sh中会执行git clone获取第三方依赖库的代码，请提前确保git的网络设置正确可用。
+    > - build.sh中会执行git clone获取第三方依赖库的代码，请提前确保git的网络设置正确可用。 第三方依赖库的包默认安装在build/.mslib目录下，可以设置环境变量MSLIBS_CACHE_PATH来改变安装目录。
     > - 如果编译机性能较好，可在执行中增加-j{线程数}来增加线程数量。如`bash build.sh -e cpu -z -j12`。
 
 3. 执行如下命令安装MindSpore。
diff --git a/install/mindspore_cpu_install_en.md b/install/mindspore_cpu_install_en.md
index 12ce0ff9f90263c670769a8f65c48bd2fa24ec79..c3940942682ea586545b45f00cf5a920620c1b2c 100644
--- a/install/mindspore_cpu_install_en.md
+++ b/install/mindspore_cpu_install_en.md
@@ -56,7 +56,7 @@ This document describes how to quickly install MindSpore on a CPU environment.
     bash build.sh -e cpu -z -j4
     ```
     > - Before running the preceding command, ensure that the paths where the executable files cmake and patch store have been added to the environment variable PATH.
-    > - In the build.sh script, the git clone command will be executed to obtain the code in the third-party dependency database. Ensure that the network settings of Git are correct.
+    > - In the build.sh script, the git clone command will be executed to obtain the code in the third-party dependency database. Ensure that the network settings of Git are correct. The third-party libraries will be installed in build/.mslib, you can change the installation directory by setting the environment variable MSLIBS_CACHE_PATH .
     > - If the compiler performance is strong, you can add -j{Number of threads} in to script to increase the number of threads. For example, `bash build.sh -e cpu -z -j12`.
 
 3. Run the following command to install MindSpore:
diff --git a/install/mindspore_d_install.md b/install/mindspore_d_install.md
index 1cd65d583a848cf9a323f1feb6b9edbbb24220e4..5903ef65cb2e05f63506fead5f1a1093c46db102 100644
--- a/install/mindspore_d_install.md
+++ b/install/mindspore_d_install.md
@@ -81,7 +81,7 @@
     bash build.sh -e d -z
     ```
     > - 在执行上述命令前，需保证可执行文件cmake和patch所在路径已加入环境变量PATH中。
-    > - build.sh中会执行git clone获取第三方依赖库的代码，请提前确保git的网络设置正确可用。
+    > - build.sh中会执行git clone获取第三方依赖库的代码，请提前确保git的网络设置正确可用。 第三方依赖库的包默认安装在build/.mslib目录下，可以设置环境变量MSLIBS_CACHE_PATH来改变安装目录。
     > - build.sh中默认的编译线程数为8，如果编译机性能较差可能会出现编译错误，可在执行中增加-j{线程数}来减少线程数量。如`bash build.sh -e d -z -j4`。
 
 3. 执行如下命令安装MindSpore。
diff --git a/install/mindspore_d_install_en.md b/install/mindspore_d_install_en.md
index 7439bfc76d56f821c5930b2bef83730be1977452..6969766c3a180787cbe6e1eb5fdfde196a6a70d7 100644
--- a/install/mindspore_d_install_en.md
+++ b/install/mindspore_d_install_en.md
@@ -80,7 +80,7 @@ The compilation and installation must be performed on the Ascend 910 AI processo
     bash build.sh -e d -z
     ```
     > - Before running the preceding command, ensure that the paths where the executable files cmake and patch store have been added to the environment variable PATH.
-    > - In the build.sh script, the git clone command will be executed to obtain the code in the third-party dependency database. Ensure that the network settings of Git are correct.
+    > - In the build.sh script, the git clone command will be executed to obtain the code in the third-party dependency database. Ensure that the network settings of Git are correct. The third-party libraries will be installed in build/.mslib, you can change the installation directory by setting the environment variable MSLIBS_CACHE_PATH .
     > - In the build.sh script, the default number of compilation threads is 8. If the compiler performance is poor, compilation errors may occur. You can add -j{Number of threads} in to script to reduce the number of threads. For example, `bash build.sh -e d -z -j4`.
 
 3. Run the following command to install MindSpore:
diff --git a/install/mindspore_gpu_install.md b/install/mindspore_gpu_install.md
index 205a77d61bb44d4500c8ddfaa9f60ebbdae44e89..d6f9545c7ecdf2bfa75974df04eeef349e2ceb34 100644
--- a/install/mindspore_gpu_install.md
+++ b/install/mindspore_gpu_install.md
@@ -61,7 +61,7 @@
 	bash build.sh -e gpu -M on -z
     ```
     > - 在执行上述命令前，需保证可执行文件cmake和patch所在路径已加入环境变量PATH中。
-    > - build.sh中会执行git clone获取第三方依赖库的代码，请提前确保git的网络设置正确可用。
+    > - build.sh中会执行git clone获取第三方依赖库的代码，请提前确保git的网络设置正确可用。 第三方依赖库的包默认安装在build/.mslib目录下，可以设置环境变量MSLIBS_CACHE_PATH来改变安装目录。
     > - build.sh中默认的编译线程数为8，如果编译机性能较差可能会出现编译错误，可在执行中增加-j{线程数}来减少线程数量。如`bash build.sh -e gpu -M on -z -j4`。
 
 3. 执行如下命令安装MindSpore。
diff --git a/install/mindspore_gpu_install_en.md b/install/mindspore_gpu_install_en.md
index f9f7db75399a438bf2dc09a968d70ae0372d36fb..26a4444ecb56f7fb2f12e0963d8971ab7a090f82 100644
--- a/install/mindspore_gpu_install_en.md
+++ b/install/mindspore_gpu_install_en.md
@@ -61,7 +61,7 @@ This document describes how to quickly install MindSpore on a NVIDIA GPU environ
 	bash build.sh -e gpu -M on -z
     ```
     > - Before running the preceding command, ensure that the paths where the executable files cmake and patch store have been added to the environment variable PATH.
-    > - In the build.sh script, the git clone command will be executed to obtain the code in the third-party dependency database. Ensure that the network settings of Git are correct.
+    > - In the build.sh script, the git clone command will be executed to obtain the code in the third-party dependency database. Ensure that the network settings of Git are correct. The third-party libraries will be installed in build/.mslib, you can change the installation directory by setting the environment variable MSLIBS_CACHE_PATH .
     > - In the build.sh script, the default number of compilation threads is 8. If the compiler performance is poor, compilation errors may occur. You can add -j{Number of threads} in to script to reduce the number of threads. For example, `bash build.sh -e gpu -M on -z -j4`.
 
 3. Run the following command to install MindSpore: