diff --git a/delete.pyw b/delete.pyw
index d1fd339..7cb43c1 100644
--- a/delete.pyw
+++ b/delete.pyw
@@ -39,6 +39,8 @@ def web_delete():
     pass
 def computer_delete():
     open_exe('computer_delete')
+def maths_delete():
+    open_exe('maths_delete')
 def pyinstaller_remove():
     os.system('pip uninstall pyinstaller')
     messagebox.showinfo('pip uninstall', ok2)
@@ -64,15 +66,17 @@ def fh():
 
 
 # Button
+Label(root, text='删除模式')
+remove_fh = Button(frame, text='返回', command=fh).pack()
 remove_GUI = Button(frame, text='GUI类删除', command=GUI_delete).pack()
 remove_web = Button(frame, text='web类删除', command=web_delete).pack()
 remove_computer = Button(frame, text='机器学习类删除', command=computer_delete).pack()
+remove_maths = Button(frame, text='maths类删除', command=maths_delete).pack()
 remove_pyinstaller = Button(frame, text='pyinstaller删除', command=pyinstaller_remove).pack()
 remove_tqdm = Button(frame, text='tqdm删除', command=tqdm_remove).pack()
 remove_nuitka = Button(frame, text='nuitka删除', command=nuitka_remove).pack()
 remove_pywin32 = Button(frame, text='pywin32删除', command=pywin32_remove).pack()
 remove_numpy = Button(frame ,text="numpy删除", command=numpy_remove).pack()
-remove_fh = Button(frame, text='返回', command=fh).pack()
 
 
 # pack
diff --git a/install.pyw b/install.pyw
index 9a9689c..0d0d651 100644
--- a/install.pyw
+++ b/install.pyw
@@ -41,6 +41,8 @@ def web_install():
     open_exe('web_install')
 def computer_install():
     open_exe('computer_install')
+def maths_install():
+    open_exe('maths_install')
 def pyinstaller():
     os.system('pip install pyinstaller -i https://mirrors.aliyun.com/pypi/simple/')
     messagebox.showinfo('pip install', ok)
@@ -64,6 +66,7 @@ def fh():
 pip_gui = Button(frame, text='GUI类安装', command=gui_install)
 pip_web = Button(frame, text='web类安装', command=web_install)
 pip_computer = Button(frame, text='机器学习类库安装', command=computer_install)
+pip_maths = Button(frame, text='maths类安装', command=maths_install)
 pip_pyinstaller = Button(frame, text='pyinstaller安装', command=pyinstaller)
 pip_tqdm = Button(frame, text='tqdm安装', command=tqdm)
 pip_nuitka = Button(frame, text='nuitka安装', command=nuitka)
@@ -72,14 +75,15 @@ pip_fh = Button(frame,text='返回', command=fh)
 
 # pack and label
 Label(root, text='安装模式').pack()
+pip_fh.pack()
 pip_gui.pack()
 pip_web.pack()
 pip_computer.pack()
+pip_maths.pack()
 pip_pyinstaller.pack()
 pip_tqdm.pack()
 pip_nuitka.pack()
 pip_pywin32.pack()
-pip_fh.pack()
 
 
 # mainloop