diff --git a/bug.py b/bug.py
index 4c7662d..4552d8b 100644
--- a/bug.py
+++ b/bug.py
@@ -3,8 +3,9 @@ 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)
+ax=int(size)
+pen.circle(ax)
+pen.circle(ax,360,3)
+pen.circle(ax,60)
+pen.circle(ax,360,3)
 turtle.done()