How to write a door knocking sign

First of all, pay attention to politeness, then write down the slogan you want to write, and finally add, thank you for your cooperation. When writing a door knocking slogan, you must first pay attention to politeness issues, and then write the slogan you want to write. For example, you can write "knock before entering the door, hello, my good, everyone," and finally add, "please thank you for your cooperation." Write this sentence to highlight respect for others. Other slogans for knocking on the door include: "Close it gently, warm your feelings; if you have a cute baby at home, please knock on the door softly; if you are studying, please knock on the door slowly", etc.