How to restore the registration point to its original position

Most of the time, when you animate with other people's symbols, you will find that the registration point deviates from the symbol, and it is very troublesome to operate manually.
I would like to ask if there is a jsfl command that can move this registration point to the middle of the graphic element. I don't understand the code and I don't know if there is such a script.
If so, can you share it with me? thank you.
