diff --git a/SB.py b/SB.py
index c07ea70..b7f5a5d 100644
--- a/SB.py
+++ b/SB.py
@@ -1,12 +1,12 @@
 import turtle
- pen=turtle.Pen()
- screen=turtle.Screen()
- screen.bgcolor("pink")
- pen.penup()
- pen.goto(100,-100)
- pen.write("诺伊，turtle真好用，我会在画布上写字了",font=("Times",30,"normal"))
- pen.hideturtle()
-  turtle.done()
+pen=turtle.Pen()
+screen=turtle.Screen()
+screen.bgcolor("pink")
+pen.penup()
+pen.goto(100,-100)
+pen.write("诺伊，turtle真好用，我会在画布上写字了",font=("Times",30,"normal"))
+pen.hideturtle()
+turtle.done()
 pen1=turtle.Pen()
 pen1.pencolor("red")
 pen1.left(45)