获取你自己的 Python 服务器
      fun: 1.75
 hess_inv: array([[ 0.50000001]])
      jac: array([ 0.])
  message: 'Optimization terminated successfully.'
     nfev: 12
      nit: 2
     njev: 4
   status: 0
  success: True
        x: array([-0.50000001])