diff --git a/README.md b/README.md
index 9345c66..94dfa32 100644
--- a/README.md
+++ b/README.md
@@ -3,6 +3,15 @@ dxf2elmt is CLI program which can convert .dxf files into [QElectroTech](https:/
 
 The goal of this program is to create a fast and accurate conversion tool to be used with [QElectroTech](https://qelectrotech.org/).
 
+## 注意：提前配置好RUST的环境
+配置环境参考：https://www.cnblogs.com/timefiles/p/17930394.html
+
+修改完代码后如何运行：
+
+1.先编译：cargo build --release
+
+2.然后在项目目录下找到：target->release->dxf2elmt.exe，然后按下面"How to Use"的方法测试
+
 ## How to Use
 dxf2elmt requires only one input from the user, the input file.
 
@@ -20,6 +29,10 @@ If you wish to forgo creating an .elmt file, you can use the "-v" argument for v
 ./dxf2elmt my_file.dxf -v
 ```
 
+## 重要工具
+dxf2json.exe 必要时使用该工具将dxf文件转换为json文件，这样可以清晰地查看dxf文件中的实体、块的架构以及对齐方式、颜色、坐标等信息
+使用方法：./dxf2json 文件名
+
 ## Supported Entities
 
 * Lines
diff --git a/dxf2json.exe b/dxf2json.exe
new file mode 100644
index 0000000..f45c916
Binary files /dev/null and b/dxf2json.exe differ