diff --git a/bord_test.py b/bord_test.py
new file mode 100644
index 0000000..165a091
--- /dev/null
+++ b/bord_test.py
@@ -0,0 +1,2 @@
+import board
+print(board.CS1)
\ No newline at end of file
diff --git a/close_led.py b/close_led.py
index bec846b..458ebd9 100644
--- a/close_led.py
+++ b/close_led.py
@@ -1,5 +1,5 @@
 '''
-实验名称：点亮第1个LED
+实验名称：熄灭第1个LED
 实验平台：核桃派
 '''
 
@@ -12,9 +12,7 @@ if __name__ == '__main__':
         # 构建LED对象和初始化
         led = DigitalInOut(board)  # 定义引脚编号
         led.direction = Direction.OUTPUT  # IO为输出
-
-        led.value = 1  # 输出高电平，点亮板载LED蓝灯
-
-        # led.value = 0 #输出低电平，熄灭板载LED蓝灯
-    except:
+        led.value = 0 #输出低电平，熄灭板载LED蓝灯
+    except Exception as e:
+        print(e)
         pass
diff --git a/open_led.py b/open_led.py
new file mode 100644
index 0000000..cbb200e
--- /dev/null
+++ b/open_led.py
@@ -0,0 +1,19 @@
+'''
+实验名称：点亮第1个LED
+实验平台：核桃派
+'''
+
+# 导入相关模块
+import board
+from digitalio import DigitalInOut, Direction
+
+if __name__ == '__main__':
+
+    try:
+        # 构建LED对象和初始化
+        led = DigitalInOut(board)  # 定义引脚编号
+        led.direction = Direction.OUTPUT  # IO为输出
+        led.value = 1  # 输出高电平，点亮板载LED蓝灯
+    except Exception as e:
+        print(e)
+        pass