I had a conflict with community security. The knife frightened the security guard, but did no harm. Security called the police. What is the responsibility?

Those who stir up trouble and cause no serious consequences shall be punished by public security.

Public security administration punishment law

Article 42 Whoever commits one of the following acts shall be detained for not more than five days or fined not more than five hundred yuan; If the circumstances are serious, he shall be detained for more than 5 days 10 days, and may also be fined up to 500 yuan:

(1) writing threatening letters or threatening the personal safety of others by other means;