diff --git a/bug.py b/bug.py
index 4c7662d..4b99b1b 100644
--- a/bug.py
+++ b/bug.py
@@ -1,10 +1,10 @@
 # 悟空想画个六芒星魔法阵，主要的代码已写出，但这有bug，请你帮忙调试下~
 import turtle
-
-pen= turtle.Pen()
-size=textinput("提示","你想要多大的魔法阵呀？")
-pen.circle(size)
-pen.circle(size,360,3)
-pen.circle(size,60)
-pen.circle(size,360,3)
+screen=turtle.Screen()
+pen= turtle.Pen
+size=screen.textinput("提示","你想要多大的魔法阵呀？")
+pen.circle(size/2,60)
+pen.circle(size/2,360)
+pen.circle(size/2,60)
+pen.circle(size/2,360)
 turtle.done()