diff --git a/README.md b/README.md
index ece1935..55cb8b7 100644
Binary files a/README.md and b/README.md differ
diff --git a/doc/design.md b/doc/design.md
index 47566d6..53e642d 100644
--- a/doc/design.md
+++ b/doc/design.md
@@ -1 +1 @@
-# 设计文档
+# Design Document
diff --git a/doc/report.md b/doc/report.md
index a850842..9d4942d 100644
--- a/doc/report.md
+++ b/doc/report.md
@@ -1 +1 @@
-# 项目报告
+# Project Report
diff --git a/src/config.py b/src/config.py
index eac60d2..215d59b 100644
--- a/src/config.py
+++ b/src/config.py
@@ -1 +1 @@
-// 配置文件
+// Configuration file
diff --git a/src/main.py b/src/main.py
index b9a96f0..0b75305 100644
--- a/src/main.py
+++ b/src/main.py
@@ -1 +1 @@
-// 源代码文件
+// Main source code