diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..b0bf4e0
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,33 @@
+# ROS2/colcon/ament build artifacts
+build/
+install/
+log/
+
+# ROS2 workspace overlay files
+*.pyc
+*.pyo
+*.swp
+*.swo
+*.DS_Store
+*.egg-info/
+__pycache__/
+
+# ROS2 launch/params/logs
+*.launch.pyc
+*.launch.py~
+*.params.yaml~
+
+# ROS2 local setup scripts
+local_setup.*
+setup.*
+
+# VSCode settings
+.vscode/
+
+# Misc
+*.orig
+*.bak
+*~
+
+# Ignore ROS2 test results
+*.test_result.xml
diff --git a/README.md b/README.md
index f0ba573..9a4da8c 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # Balance Infantry
 
-这是一个平衡步兵机器人项目。
+平衡步兵自动瞄准
 
 ## 项目描述