if opening webbrowser on the second time,python os crashes and closes the window but most important : **I DON'T KNOW THE ERROR!** 如果第二次打开浏览器，pythonOS会崩溃并关闭窗口 但最重要的是： 我不知道错误！
if opening webbrowser on the second time,python os crashes and closes the window
but most important :
I DON'T KNOW THE ERROR!
如果第二次打开浏览器，pythonOS会崩溃并关闭窗口
但最重要的是：
我不知道错误！