Deepin 15.5 have some kind of limitation or i dont know but i have slow performence rate ! top speed is 1.3MB/s !

I come from Manjaro Deepin 17.0.6 and i have no problems with transfer 3.9MB/s to 6.2MB/s

This is my Samba Conf  https://pastebin.com/BJXwVb3C

Where is the problem ? Kernel , smb.conf , smb version ??

Sorry for my poor English