diff --git a/doc/cn/DevelopmentPreparation.md b/doc/cn/DevelopmentPreparation.md
index ead71c72a74f8e7531d529cd42f32f8377c6784e..16f03472212ce8700bef34e07a325f3a03e1cbf1 100644
--- a/doc/cn/DevelopmentPreparation.md
+++ b/doc/cn/DevelopmentPreparation.md
@@ -24,7 +24,7 @@ sudo apt-get -y install gcc-5-aarch64-linux-gnu g++-5-aarch64-linux-gnu
 下载**clang+llvm-8.0.0-x86_64-linux-gnu-ubuntu-16.04**
 LLVM下载地址：http://releases.llvm.org/download.html#8.0.0
 
-放置到`openarkcompiler/tools`目录，打开`openarkcompiler/build/config/BUILDCONFIG.gn`文件，将`GN_C_COMPILER`、`GN_CXX_COMPILER`和`GN_AR_COMPILER`三个变量配置为Clang编译器所在路径，例如：
+放置到`openarkcompiler/tools`目录，打开`openarkcompiler/build/config.gni`文件，将`GN_C_COMPILER`、`GN_CXX_COMPILER`和`GN_AR_COMPILER`三个变量配置为Clang编译器所在路径，例如：
 
 ```
 GN_C_COMPILER = "${MAPLE_ROOT}/tools/clang_llvm-8.0.0-x86_64-linux-gnu-ubuntu-16.04/bin/clang"
diff --git a/doc/en/DevelopmentPreparation.md b/doc/en/DevelopmentPreparation.md
index c301df29248855301980335410b65b2edb397219..bc1c900ba8721bc3c383fab5b4bb6a5242aefc91 100644
--- a/doc/en/DevelopmentPreparation.md
+++ b/doc/en/DevelopmentPreparation.md
@@ -24,7 +24,7 @@ sudo apt-get -y install gcc-5-aarch64-linux-gnu g++-5-aarch64-linux-gnu
 Download **clang+llvm-8.0.0-x86_64-linux-gnu-ubuntu-16.04**
 LLVM download address: http://releases.llvm.org/download.html#8.0.0
 
-Place the downloaded files in the `openarkcompiler/tools` directory, open the `openarkcompiler/build/config/BUILDCONFIG.gn` file, and set the three variables `GN_C_COMPILER`, `GN_CXX_COMPILER`, and `GN_AR_COMPILER` to the path where Clang is located. For example:
+Place the downloaded files in the `openarkcompiler/tools` directory, open the `openarkcompiler/build/config.gni` file, and set the three variables `GN_C_COMPILER`, `GN_CXX_COMPILER`, and `GN_AR_COMPILER` to the path where Clang is located. For example:
 
 ```
 GN_C_COMPILER = "${MAPLE_ROOT}/tools/clang_llvm-8.0.0-x86_64-linux-gnu-ubuntu-16.04/bin/clang"