diff --git a/README.en.md b/README.en.md
index 5dda4c04f28f33b992540c30e1d13ef41f558053..856870bd48e844883617578aa065fbc6e86976ee 100755
--- a/README.en.md
+++ b/README.en.md
@@ -15,7 +15,7 @@ You can build the TF_Adapter software package from the source code and install i
 > The TF_Adapter plug-in has a strict matching relationship with Tensorflow. Before building from source code, you need to ensure that it has been installed correctly [Tensorflow v1.15.0
 >版本](https://www.tensorflow.org/install) 。
 
-At the same time, the system meets the following requirements
+You may also build GraphEngine from source. To build GraphEngine, please make sure that you have access to an Ascend 910 environment as compiling environment, and make sure that following software requirements are fulfilled.
 - Linux OS
 - GCC >= 7.3.0
 - CMake >= 3.14.0
diff --git a/README.md b/README.md
index f94c366ef2d0f3722363f5dc8086f06881532731..e7e01400534f4675459f7ee90a9fea21588cff14 100755
--- a/README.md
+++ b/README.md
@@ -15,15 +15,13 @@ Tensorflow Adapter For Ascend（简称TF_Adapter）致力于将昇腾AI处理器
 > TF_Adapter 插件与 Tensorflow 有严格的匹配关系，从源码构建前，您需要确保已经正确安装了 [Tensorflow v1.15.0
 >版本](https://www.tensorflow.org/install) 。
 
-同时系统满足以下要求：
+
+tfadapter也支持由源码编译，进行源码编译前，首先确保你有昇腾910 AI处理器的环境，同时系统满足以下要求：
 - Linux OS
 - GCC >= 7.3.0
 - CMake >= 3.14.0
-- [SWIG](http://www.swig.org/download.html)
-- 配置昇腾处理器开发套件安装路径的环境变量D_LINK_PATH
-  export D_LINK_PATH=安装路径（例如：/usr/local/Ascend）
+- [SWIG](http://www.swig.org/download.html) 
   
-
 #### 下载源码
 
 ```
diff --git a/configure.py b/configure.py
index 7a50aa969a9ac103819e7f5e484726e713495811..73d6d98e43de1f479af0b4160a347e0df9ea0f3a 100755
--- a/configure.py
+++ b/configure.py
@@ -28,7 +28,7 @@ except ImportError:
 _COMPAT_TENSORFLOW_VERSION = "1.15.0"
 _COMPAT_PYTHON_VERSION = "Python 3.7"
 _COMPAT_SWIG_VERSION = "SWIG Version "
-_ASCEND_INSTALL_PATH_ENV = "D_LINK_PATH"
+_ASCEND_INSTALL_PATH_ENV = "ASCEND_CUSTOM_PATH"
 
 
 
@@ -120,17 +120,12 @@ def setup_python():
 def setup_ascend(env_path):
   """Get ascend install path."""
   default_ascend_path = "/usr/local/Ascend"
-  ask_ascend_path = ('Please specify the location of ascend. [Default is '
-                     '%s]\n(You can make this quiet by set env [D_LINK_PATH]): ') % default_ascend_path
   custom_ascend_path = env_path
   while True:
     if not custom_ascend_path:
-      ascend_path = get_input(ask_ascend_path)
+      ascend_path = default_ascend_path
     else:
       ascend_path = custom_ascend_path
-      custom_ascend_path = None
-    if not ascend_path:
-      ascend_path = default_ascend_path
     # Check if the path is valid
     if os.path.isdir(ascend_path) and os.access(ascend_path, os.X_OK):
       break