diff --git a/doc/README.md b/doc/README.md
index 80ce0ff..25f8d45 100644
--- a/doc/README.md
+++ b/doc/README.md
@@ -1 +1 @@
-这是doc目录的说明文档
+# Documentation
diff --git a/src/main.py b/src/main.py
index 0b6d030..80ea252 100644
--- a/src/main.py
+++ b/src/main.py
@@ -1 +1,2 @@
-"print('hello world')" 
+print('hello world')
+# This is the main Python file