In general, SMB will perform better when using a wired connection on both ends. Wi-Fi can be used, but it may have an impact on the maximum speeds you are able to see. This is due to the nature of SMB, and not something specific in Infuse.
Infuse supports a number of different connection types, so if you device supports other methods, such as NFS, FTP, WebDAV, etc… you can try using those to see if you are able to get betters speeds.
but I found a problem if I use webdav, in advanced setting the path can’t be a virtual path which I have configured in webdav server, I can use the browser to open the virtual path but can’t be used in infuse advanced settings.