thanks @jow It works 
@hnyman How to get the USB auto mount when you pluged in?
I pluged in and the system detected it, but I will need to use command block mount , or in web Generate Config. If I don't do anything, it stoped at Attached SCSI removable disk
Mon Jan 30 12:40:27 2017 kern.info kernel: [35783.765863] usb 3-1: new SuperSpeed USB device number 4 using xhci-hcd
Mon Jan 30 12:40:27 2017 kern.info kernel: [35783.792276] usb-storage 3-1:1.0: USB Mass Storage device detected
Mon Jan 30 12:40:27 2017 kern.info kernel: [35783.798514] scsi host4: usb-storage 3-1:1.0
Mon Jan 30 12:40:28 2017 kern.notice kernel: [35785.030963] scsi 4:0:0:0: Direct-Access Samsung Flash Drive 1100 PQ: 0 ANSI: 6
Mon Jan 30 12:40:28 2017 kern.notice kernel: [35785.039994] sd 4:0:0:0: [sda] 62652416 512-byte logical blocks: (32.1 GB/29.9 GiB)
Mon Jan 30 12:40:28 2017 kern.notice kernel: [35785.048000] sd 4:0:0:0: [sda] Write Protect is off
Mon Jan 30 12:40:28 2017 kern.debug kernel: [35785.052812] sd 4:0:0:0: [sda] Mode Sense: 43 00 00 00
Mon Jan 30 12:40:28 2017 kern.notice kernel: [35785.058315] sd 4:0:0:0: [sda] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
Mon Jan 30 12:40:28 2017 kern.info kernel: [35785.070562] sda: sda1
Mon Jan 30 12:40:28 2017 kern.notice kernel: [35785.074972] sd 4:0:0:0: [sda] Attached SCSI removable disk