The error formula in the paper [1] is found to be not correct, and its right verson is established and proven.

本文对文[1]中所给出的错误的误差公式做了修订，并给出了相应的证明。

Yesterday is but a dream and tomorrow is only a verson, but today well-lived makes every yesterday a dream of happiness and every tomorrow a version of hope.

昨天只是一场梦，明天只是一个未来，但过好今天能使每一个昨天成为幸福之梦，使每一个明天成为希望之冀。