diff --git a/GUI_delete.pyw b/GUI_delete.pyw
index 67b35df..9465a60 100644
--- a/GUI_delete.pyw
+++ b/GUI_delete.pyw
@@ -22,17 +22,21 @@ def pygame_remove():
     os.system('pip uninstall pygame')
     messagebox.showinfo('pip uninstall', ok2)
     pass
+def fh():
+    root.destroy()
 
 # button
 bt_pq5 = Button(root, text='pyqt5删除', command=pyqt_remove)
 bt_pygame = Button(root, text='pygame删除', command=pygame_remove)
 bt_wxpython = Button(root, text='wxpython删除', command=wxpython_remove)
+bt_fh = Button(root, text='返回', command=fh)
 
 # pack and Label
 Label(root, text='GUI删除').pack()
 bt_pq5.pack()
 bt_pygame.pack()
 bt_wxpython.pack()
+bt_fh.pack()
 
 
 # mainloop
diff --git a/GUI_install.pyw b/GUI_install.pyw
index e05c04e..7e178b2 100644
--- a/GUI_install.pyw
+++ b/GUI_install.pyw
@@ -18,18 +18,22 @@ def wxpython():
 def pygame():
     os.system("pip install pygame")
     messagebox.showinfo(install, ok)
+def fh():
+    root.destroy()
 
 
 # Button
 bt_qt = Button(root, text='pyqt5安装', command=pyqt5)
 bt_pygame = Button(root, text='pygame安装', command=pygame)
 bt_wx = Button(root, text='wxpython安装', command=wxpython)
+bt_fh = Button(root, text='返回', command=fh)
 
 # pack and Label
 Label(root, text="GUI install").pack()
 bt_qt.pack()
 bt_pygame.pack()
 bt_wx.pack()
+bt_fh.pack()
 
 
 # mainloop