I can sign in in Datang

Lin Xuan accidentally crossed the Tang Dynasty and carried a sign-in system, and he has been in a good mood ever since.
"Ding, the sign-in is successful, and you will get a box of Laotan Pickled Cabbage Noodles."
"Ding, sign in successfully, get a bottle of shampoo."
……
Lin Xuan was a little speechless, can you not be so rude to the system?

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