how to edit pushed commit message

Open the Intellij,  Go to version control tab, then go to log.
Selecting a commit, press F2 and then edit the commit message.

Open git bash
Now it should see the bias between local and remote;
git pull; and it will merge the remote and local

It will popup a vi editor to ask for editing the merge message;
Edit the text;

Press ESC, and press shift + zz; then quit to the git bash command line.

now

now, the local will be ahead of the remote, do
git push.