diff --git a/diy1.py b/diy1.py
index 1e827b5..8847a69 100644
--- a/diy1.py
+++ b/diy1.py
@@ -10,7 +10,7 @@ distance=1
 for i in range(300):
     pen.forward(distance)
     distance+=1
-    pen.right(121)
+    pen.right(91)
 # 隐藏画笔，保存画布
 pen.hideturtle()
 turtle.done()
\ No newline at end of file