diff --git a/my_basic.vcproj b/my_basic.vcproj
index b4a7a34..e4f34a4 100755
--- a/my_basic.vcproj
+++ b/my_basic.vcproj
@@ -206,150 +206,6 @@
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diff --git a/sample/README.md b/sample/README.md
new file mode 100644
index 0000000..4e90ae7
--- /dev/null
+++ b/sample/README.md
@@ -0,0 +1,40 @@
+## Samples of MY-BASIC
+
+**Copyright (C) 2011 - 2016 Wang Renxin. All rights reserved.**
+
+This folder contains severial sample code of MY-BASIC.
+
+### Contents
+
+**Fundamental**
+
+Including loop, condition, and other fundamental statements.
+
+ sample01.bas
+ sample02.bas
+ sample03.bas
+ sample04.bas
+
+**Sub routine**
+
+ sample05.bas
+
+**Prototype based class**
+
+ sample06.bas
+
+**A Brainfuck interpreter in MY-BASIC**
+
+ sample07.bas
+
+**YARD (Yet Another RPG Dungeon)**
+
+ yard/entity.bas
+ yard/goal.bas
+ yard/level.bas
+ yard/map.bas
+ yard/monster.bas
+ yard/npc.bas
+ yard/player.bas
+ yard/start.bas
+ yard/utils.bas
diff --git a/sample/yard/README.md b/sample/yard/README.md
index 8bbfa9b..be4c32f 100644
--- a/sample/yard/README.md
+++ b/sample/yard/README.md
@@ -4,21 +4,21 @@
Yet Another RPG Dungeon is a text based game. It's aimed to be a comprehensive example and or a tutorial which shows multiple concepts of MY-BASIC.
-Usage
+### Usage
-**Windows:**
+**Windows**
my_basic start.bas
-**OS X:**
+**OS X**
my_basic_mac start.bas
-**Others:**
+**Others**
my_basic_bin start.bas
-**Note:**
+**Note**
It requires an importing directories information if the working directory of your interpreter is `my_basic/output/`: