diff --git a/package/mtk/applications/mtk-smp/files/smp.sh b/package/mtk/applications/mtk-smp/files/smp.sh
index a354c53107..9409f1429e 100755
--- a/package/mtk/applications/mtk-smp/files/smp.sh
+++ b/package/mtk/applications/mtk-smp/files/smp.sh
@@ -27,7 +27,7 @@ CPU_RPS_ADD()
 MT7986_whnat()
 {
 	num_of_wifi=$1
-	storage=$2
+	is_usbnet=$2
 	DEFAULT_RPS=0
 
 	#Physical IRQ# setting
@@ -76,6 +76,7 @@ MT7986_whnat()
 		CPU3_AFFINITY="$wifi1_irq $wifi2_irq"
 
 		CPU0_RPS="                $wifi1 $wifi2 $wifi1_apcli0 $wifi2_apcli0"
+  		[ "$is_usbnet" = "1" ] && CPU0_RPS="$wifi1_apcli0 $wifi2_apcli0"
 		CPU1_RPS="$ethif1 $ethif2 $wifi1 $wifi2 $wifi1_apcli0 $wifi2_apcli0"
 		CPU2_RPS="$ethif1 $ethif2 $wifi1 $wifi2 $wifi1_apcli0 $wifi2_apcli0"
 		CPU3_RPS="$ethif1 $ethif2"
@@ -676,7 +677,7 @@ scan_usbnet()
 		[ -d "$dev" ] || continue
 		dev_name=$(basename $dev)
 		dev_prefix="${dev_name%%[0-9]*}"
-		if [ "$dev_prefix" = "usb" ] || [ "$dev_prefix" = "wwan" ]; then
+		if [ "$dev_prefix" = "usb" ] || [ "$dev_prefix" = "wwan" ] || [ "$dev_prefix" = "rmnet" ] || [ "$dev_prefix" = "eth2" ] || [ "$dev_prefix" = "eth3" ] || [ "$dev_prefix" = "eth4" ] || [ "$dev_prefix" = "eth5" ]; then
 			IS_USBNET=1
 			return
 		fi