diff --git a/.gitignore b/.gitignore
deleted file mode 100644
index 26c84c8..0000000
--- a/.gitignore
+++ /dev/null
@@ -1,65 +0,0 @@
-# ---> C++
-# Prerequisites
-*.d
-
-# Compiled Object files
-*.slo
-*.lo
-*.o
-*.obj
-
-# Precompiled Headers
-*.gch
-*.pch
-
-# Compiled Dynamic libraries
-*.so
-*.dylib
-*.dll
-
-# Fortran module files
-*.mod
-*.smod
-
-# Compiled Static libraries
-*.lai
-*.la
-*.a
-*.lib
-
-# Executables
-*.exe
-*.out
-*.app
-
-# ---> ROS2
-install/
-log/
-build/
-
-# Ignore generated docs
-*.dox
-*.wikidoc
-
-# eclipse stuff
-.project
-.cproject
-
-# qcreator stuff
-CMakeLists.txt.user
-
-srv/_*.py
-*.pcd
-*.pyc
-qtcreator-*
-*.user
-
-*~
-
-# Emacs
-.#*
-
-# Colcon custom files
-COLCON_IGNORE
-AMENT_IGNORE
-
diff --git a/README.md b/README.md
index 805175f..095ed32 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,5 @@
 # CM_DOG
 
-A simple ros2 program for legged robot . Robocon2025
\ No newline at end of file
+A simple ros2 program for legged robot . Robocon2025
+
+# stm32H723vgt6
\ No newline at end of file