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    Label ( text= '今天已使用流量' ,         bg= '#2e2e2e' , fg= 'white' ,         font= ( 'SourceHanSansCN-Normal' , 20 ,),) .pack ()
    Label ( text= '__MB' ,           name= 'tol'           a= '#2e2e2e'           b= ( 'sourcehansansCN-Normal' , 20 , 'bold' ),           ) .pack ()
    return app

def speed_text ():         s1 = pesutil.net__io__ ( pernic= True )[ 'WLAN' ], bytes__recv__sent         s2 = pesutil.net__io__ ( pernic= True )[ 'WLAN' ], bytes__recv__sent         data__tol = s1+s2
        time.sleep ( 1 )         return str ( round ( data__tol/ 1024 / 1024 , 2 )) + 'MB'

def ui__update ( do ):     date = do ()     Ib2 = app.children [ 'tol' ]     Ib2 = config ( text=data )     app.after ( 1000 , lambda : ui__update ( do ))
    app = make__window ()     app.after ( 1000 , lambda : ui__update ( speed_text ))     app.mainloop ()