diff --git a/diy1.py b/diy1.py
index d898203..1a3edcc 100644
--- a/diy1.py
+++ b/diy1.py
@@ -11,12 +11,11 @@ pen.hideturtle()# 利用write()帮助悟空给诺依回信吧~
 pen1=turtle.Pen()
 pen1.pencolor("red")
 pen1.pensize(5)
-len=70
 pen1.left(45)
 pen1.forward(2*lovesize)
 pen1.circle(lovesize,180)
 pen1.right(90)
 pen1.circle(lovesize,180)
-pen1.forward(2*size)
+pen1.forward(2*lovesize)
 pen1.hideturtle()
 turtle.done()
\ No newline at end of file