diff --git a/my_tree.py b/my_tree.py
index 823dbfc..0c9a6a1 100644
--- a/my_tree.py
+++ b/my_tree.py
@@ -12,4 +12,12 @@ pen.up()
 pen.backward(150)    # 后退
 pen.down()
 
-turtle.done()
+pen.forward(100)
+pen.right(30)
+pen.forward(50)
+pen.up()
+pen.forward(-50)
+pen.down()
+pen.left(60)
+pen.forward(50)
+turtle.done()
\ No newline at end of file