diff --git a/bug.py b/bug.py
index 48d2af0..086b93e 100644
--- a/bug.py
+++ b/bug.py
@@ -6,10 +6,13 @@ screen=turtle.Screen()
 screen.bgcolor("light yellow")
 x=screen.textinput("提示","你想要多大的魔法阵呀？1~200")
 size1=int(x)
+pen.fillcolor("yellow")
+pen.begin_fill()
 pen.pensize(20)
 pen.pencolor("orange")
 pen.circle(size1)
 pen.circle(size1,360,3)
 pen.circle(size1,60)
 pen.circle(size1,360,3)
+pen.end_fill()
 turtle.done()