The numbering (a,b,c) in the subfigures is a little off-center with the subfigures. I keep \caption inside the subfigure section empty because I do not want any captions but if I remove it, the numbering will go away. Is there any way to keep the numbering and make it centers with subfigures?

\documentclass[conference]{IEEEtran}
\IEEEoverridecommandlockouts

\usepackage{cite}
\usepackage{amsmath,amssymb,amsfonts}
\usepackage{algorithmic}
\usepackage{graphicx}
\usepackage{textcomp}
\usepackage{xcolor}
\usepackage{algorithm}
\usepackage{amsmath,amssymb}
\usepackage{subcaption}
\usepackage{url}
\usepackage{hyperref}

\begin{document}

\begin{figure*}[!h]
\centering
\begin{subfigure}[t]{0.3\textwidth}
\centering
\includegraphics[scale=0.3]{Paper/results.PNG}
\caption{} \label{fig1}
\end{subfigure}\hfill
\begin{subfigure}[t]{0.3\textwidth}
\centering
\includegraphics[scale=0.3]{Paper/results.PNG}
\caption{} \label{fig2}
\end{subfigure}\hfill
\begin{subfigure}[t]{0.3\textwidth}
\centering
\includegraphics[scale=0.3]{Paper/results.PNG}
\caption{} \label{fig3}
\end{subfigure}
\caption{Figures}
\label{fig:my_label}
\end{figure*}

\end{document}