1.Use F12 in your browser to find the background location directory for the image.
2.For this example, in the Windows installation environment, the image location is as follows:
The position of the Chinese word in the middle:C:\Program Files\iMC\client\web\apps\imc\resources\primefaces-imc-cool-blue\images\login_bg\login_logo_imc.png
Make sure to back up the image before replacing it. Otherwise, the original image will be lost.
The effect after replacement is shown in the figure：
Login before you can operate!login