diff --git a/patches-21.02.2/0026-b1300-update-dts.patch b/patches-21.02.2/0027-b1300-update-dts.patch
similarity index 100%
rename from patches-21.02.2/0026-b1300-update-dts.patch
rename to patches-21.02.2/0027-b1300-update-dts.patch
diff --git a/patches-21.02.2/0028-b1300-adapt-to-sdk4.patch b/patches-21.02.2/0028-b1300-adapt-to-sdk4.patch
new file mode 100644
index 0000000..682a182
--- /dev/null
+++ b/patches-21.02.2/0028-b1300-adapt-to-sdk4.patch
@@ -0,0 +1,38 @@
+From ca38448bae494d2ef2d1dd10cec0a9eb45d8f760 Mon Sep 17 00:00:00 2001
+From: Dongming Han <handongming@gl-inet.com>
+Date: Thu, 29 Sep 2022 20:56:58 +0800
+Subject: [PATCH] b1300: adapt to sdk4
+
+---
+ target/linux/ipq40xx/base-files/etc/board.d/02_network | 1 +
+ target/linux/ipq40xx/image/generic.mk                  | 2 +-
+ 2 files changed, 2 insertions(+), 1 deletion(-)
+
+diff --git a/target/linux/ipq40xx/base-files/etc/board.d/02_network b/target/linux/ipq40xx/base-files/etc/board.d/02_network
+index 6e66350043..a5f13039be 100755
+--- a/target/linux/ipq40xx/base-files/etc/board.d/02_network
++++ b/target/linux/ipq40xx/base-files/etc/board.d/02_network
+@@ -182,6 +182,7 @@ ipq40xx_setup_macs()
+ 		lan_mac=$(cat /sys/firmware/mikrotik/hard_config/mac_base)
+ 		label_mac="$lan_mac"
+ 		;;
++	glinet,gl-b1300|\
+ 	glinet,gl-a1300)
+ 		wan_mac=$(mtd_get_mac_binary ART 0)
+ 		lan_mac=$(macaddr_add "$wan_mac" 1)
+diff --git a/target/linux/ipq40xx/image/generic.mk b/target/linux/ipq40xx/image/generic.mk
+index 0071677cfb..ee8d5b2853 100644
+--- a/target/linux/ipq40xx/image/generic.mk
++++ b/target/linux/ipq40xx/image/generic.mk
+@@ -510,7 +510,7 @@ define Device/glinet_gl-b1300
+ 	SOC := qcom-ipq4029
+ 	KERNEL_SIZE := 4096k
+ 	IMAGE_SIZE := 26624k
+-	IMAGE/sysupgrade.bin := append-kernel |append-rootfs | pad-rootfs | append-metadata
++	IMAGE/sysupgrade.bin := append-kernel |append-rootfs | pad-rootfs | append-gl-metadata
+ endef
+ TARGET_DEVICES += glinet_gl-b1300
+ 
+-- 
+2.25.1
+