You offer a prayer which I did not see being offered by Messenger of Allah ﷺ when we were in his company and he certainly had forbidden it (i.e. two rakʿat after the ʿAsr prayer).
إِنَّكُمْ لَتُصَلُّونَ صَلاَةً لَقَدْ صَحِبْنَا رَسُولَ اللَّهِ ﷺ فَمَا رَأَيْنَاهُ يُصَلِّيهَا وَلَقَدْ نَهَى عَنْهُمَا يَعْنِي الرَّكْعَتَيْنِ بَعْدَ الْعَصْرِ