图像居中

Question

一段代码

 \begin{figure}[H]
       \centering
       \captionsetup{justification=centering}
        \includegraphics[height = 12cm]{images/paint7.png}   %%%%MY PHOTO
        \caption{Фазовый портрет системы \ref{main_system}.}
        \label{fig:final}
    \end{figure}

请帮我对齐图片