diff --git a/README.md b/README.md
index 6725537..b8fad31 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,10 @@
 # Git-Rust
 Git in Rust. 用Rust编写的简易Git
+
+
+## 主要功能
+-  支持git init, git add, git rm, git commit
+
+-  支持分支git branch, git checkout
+
+-  支持简单的合并git merge
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