Take the warehouse back to the end of the Ming Dynasty

Zhao Wen traveled through time, and a warehouse storing old weapons unexpectedly traveled to the end of the Ming Dynasty together with the warehouse manager Zhao Wen.
Facing the menacing bandit and the barbaric northern savage, what should Zhao Wen do?
What?Your name is Li Zicheng?Sorry, I have 56 and a half.Your name is Zhang Xianzhong?Excuse me, I have a Type 67 grenade with a wooden handle.Your name is Huang Taiji?Sorry, I have 40 fire.Your name is Japanese pirate?Excuse me, I have a mortar.
All enemies, submit to my gunfire, there can only be one voice in this world, and that is Daming!
I, Zhao Wen, am either pretending to be a pig and eating a tiger or I am on the way to pretend to be a pig and eat a tiger! ! ! ...