diff --git a/README.md b/README.md
index 1e42049..c464422 100644
--- a/README.md
+++ b/README.md
@@ -1,10 +1,10 @@
-# SR
+# Difficult-Rocket
 
 ### Version
 
 0.0 (developing)
 
-中文版请移步[这里](https://github.com/shenjackyuanjie/SR/blob/main/docs/README-cn.md)。
+中文版请移步[这里](https://github.com/shenjackyuanjie/DR/blob/main/docs/README-cn.md)。
 
 > It's a Simple Rocket liked game build with Python
 
diff --git a/docs/README-cn.md b/docs/README-cn.md
index 65b59a9..0b48e76 100644
--- a/docs/README-cn.md
+++ b/docs/README-cn.md
@@ -1,10 +1,10 @@
-# SR
+# Difficult-Rocket
 
 ## 版本
 
 0.0 (开发.ing)
 
-For an English version of readme, please move [here](https://github.com/shenjackyuanjie/SR).
+For an English version of readme, please move [here](https://github.com/shenjackyuanjie/DR).
 
 > 这是一个用Python制作的类Simple Rocket游戏