diff --git a/kernel/arch/arm64/boot/dts/rockchip/px30.dtsi b/kernel/arch/arm64/boot/dts/rockchip/px30.dtsi
index e146da51b..5de2399db 100644
--- a/kernel/arch/arm64/boot/dts/rockchip/px30.dtsi
+++ b/kernel/arch/arm64/boot/dts/rockchip/px30.dtsi
@@ -680,7 +680,7 @@ uart0: serial@ff030000 {
 		clock-names = "baudclk", "apb_pclk";
 		dmas = <&dmac 0>, <&dmac 1>;
 		/*You can add it to enable dma*/
-		/*dma-names = "tx", "rx";*/
+		dma-names = "tx", "rx";
 		reg-shift = <2>;
 		reg-io-width = <4>;
 		pinctrl-names = "default";
@@ -967,7 +967,7 @@ uart5: serial@ff178000 {
 		clock-names = "baudclk", "apb_pclk";
 		dmas = <&dmac 10>, <&dmac 11>;
 		/*You can add it to enable dma*/
-		/*dma-names = "tx", "rx";*/
+		dma-names = "tx", "rx";
 		reg-shift = <2>;
 		reg-io-width = <4>;
 		pinctrl-names = "default";
diff --git a/kernel/arch/arm64/boot/dts/rockchip/rk3326-evb-lp3-v10.dtsi b/kernel/arch/arm64/boot/dts/rockchip/rk3326-evb-lp3-v10.dtsi
index 821edc6c6..00e2933fa 100644
--- a/kernel/arch/arm64/boot/dts/rockchip/rk3326-evb-lp3-v10.dtsi
+++ b/kernel/arch/arm64/boot/dts/rockchip/rk3326-evb-lp3-v10.dtsi
@@ -777,9 +777,26 @@ &usb20_otg {
 	status = "okay";
 };
 
+&uart0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart0_xfer>;
+	status = "okay";
+};
 &uart1 {
 	pinctrl-names = "default";
-	pinctrl-0 = <&uart1_xfer &uart1_cts>;
+	pinctrl-0 = <&uart1_xfer>;
+	status = "okay";
+};
+/*
+&uart2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart2_xfer>;
+	status = "okay";
+};
+*/
+&uart5 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&uart5_xfer>;
 	status = "okay";
 };
 
diff --git a/tools/linux/Linux_Upgrade_Tool/Linux_Upgrade_Tool/myburn.sh b/tools/linux/Linux_Upgrade_Tool/Linux_Upgrade_Tool/myburn.sh
index feb537759..5c2597a25 100755
--- a/tools/linux/Linux_Upgrade_Tool/Linux_Upgrade_Tool/myburn.sh
+++ b/tools/linux/Linux_Upgrade_Tool/Linux_Upgrade_Tool/myburn.sh
@@ -1 +1,4 @@
-sudo ./upgrade_tool uf /home/hyx/work/linuxOS_AP06/rockdev/update.img
+#sudo ./upgrade_tool uf /home/hyx/work/updateimg/update.img
+#sudo ./upgrade_tool uf /home/hyx/work/linuxOS_AP06/rockdev/update.img
+upgrade_tool di -b /home/hyx/work/linuxOS_AP06/rockdev/boot.img
+#upgrade_tool di -u /home/hyx/work/linuxOS_AP06/rockdev/uboot.img