diff --git a/README.md b/README.md
index 8f85119..b2a8cdc 100644
--- a/README.md
+++ b/README.md
@@ -1,36 +1,49 @@
-# MG_ENGINE_SIM
-
-위험성 평가기반 작업자 안전관리 및 감독 협조 기술 개발 (시뮬레이터)
-  
-### System Requirements
-    - ubuntu 20.04
-    - python 3.8
-    - python packages : requirements.txt
-
-### Pytorch, Torchvision install
-- conda(CUDA 11.7 기준)
-    ```
-   conda install pytorch torchvision pytorch-cuda=11.7 -c pytorch -c nvidia
-   ```        
-- pip
-   ```
-   pip3 install torch torchvision torchaudio
-   ``` 
-- ARM architecture 
-
-  JetPack 5.0.2(L4T R35.1.0) 기준
-  1. pytorch(version 1.12)
-      ```
-      wget https://developer.download.nvidia.com/compute/redist/jp/v50/pytorch/torch-1.12.0a0+2c916ef.nv22.3-cp38-cp38-linux_aarch64.whl
-      apt-get install python3-pip libopenblas-base libopenmpi-dev libomp-dev 
-      pip3 install Cython 
-      pip3 install torch-1.12.0a0+2c916ef.nv22.3-cp38-cp38-linux_aarch64.whl
-     ```
-  2. torchvision(version 0.13)
-     ```
-      sudo apt-get install libjpeg-dev zlib1g-dev libpython3-dev libavcodec-dev libavformat-dev libswscale-dev
-      git clone --branch release/0.13 https://github.com/pytorch/vision torchvision 
-      cd torchvision
-      export BUILD_VERSION=0.13.0
-      python3 setup.py install --user
-     ```
\ No newline at end of file
+# MG_ENGINE_SIM
+
+위험성 평가기반 작업자 안전관리 및 감독 협조 기술 개발 (시뮬레이터)
+  
+### System Requirements
+    - ubuntu 20.04
+    - python 3.8
+    - python packages : requirements.txt
+
+### Pytorch, Torchvision install
+- conda(CUDA 11.7 기준)
+    ```
+   conda install pytorch torchvision pytorch-cuda=11.7 -c pytorch -c nvidia
+   ```        
+- pip
+   ```
+   pip3 install torch torchvision torchaudio
+   ``` 
+- ARM architecture 
+
+  JetPack 5.0.2(L4T R35.1.0) 기준
+  1. pytorch(version 1.12)
+      ```
+      wget https://developer.download.nvidia.com/compute/redist/jp/v50/pytorch/torch-1.12.0a0+2c916ef.nv22.3-cp38-cp38-linux_aarch64.whl
+      apt-get install python3-pip libopenblas-base libopenmpi-dev libomp-dev 
+      pip3 install Cython 
+      pip3 install torch-1.12.0a0+2c916ef.nv22.3-cp38-cp38-linux_aarch64.whl
+     ```
+  2. torchvision(version 0.13)
+     ```
+      sudo apt-get install libjpeg-dev zlib1g-dev libpython3-dev libavcodec-dev libavformat-dev libswscale-dev
+      git clone --branch release/0.13 https://github.com/pytorch/vision torchvision 
+      cd torchvision
+      export BUILD_VERSION=0.13.0
+      python3 setup.py install --user
+     ```
+
+### yolov5 install
+DL/OD 폴더에 저장
+```
+cd DL
+git clone https://github.com/ultralytics/yolov5.git OD
+```
+
+git commit id : 23c492321290266810e08fa5ee9a23fc9d6a571f
+
+```
+git reset hard -- 23c492321290266810e08fa5ee9a23fc9d6a571f
+```
\ No newline at end of file