Bismillah.

Shia scholar shaykh Muhammad as-Sabzawari in his book “Jamiul Akhbar aw Maarijal Yageen wa Usool ad-Deen” (p 456), narrated hadith from prophet (sallalahu alaihi wa ala alihi wa sallam):

Translation:

and he (peace be upon him) said: Kill the one who abuses me, and the one who abused my companion disbelieved”.

And in other narration: “Flog the one who abused my companion”.