píng mù tí shì qǐng zài cì shū rù shí bú shì chū cuò ér shì yào nǐ zài shū yí biàn屏幕提示“请再次输入”时,不是出错,而是要你再输一遍。When the screen prompts 'Please enter again', it's not an error; it's asking you to re-enter.