diff --git a/project/cfg/BoardConfig_IPC/overlay/overlay-luckfox-config/usr/bin/luckfox-config b/project/cfg/BoardConfig_IPC/overlay/overlay-luckfox-config/usr/bin/luckfox-config
index 8a793af82..4c74e815d 100755
--- a/project/cfg/BoardConfig_IPC/overlay/overlay-luckfox-config/usr/bin/luckfox-config
+++ b/project/cfg/BoardConfig_IPC/overlay/overlay-luckfox-config/usr/bin/luckfox-config
@@ -325,8 +325,8 @@ function luckfox_pico_pro_max_pin_diagram_file() {
  PWM6_M2  - SPI0_M0_MISO  - GPIO1_C3 |       | GPIO2_A1 -             -
  PWM5_M1  - I2C1_M1_SCL   - GPIO2_B0 |       | GPIO2_A0 -             -
           -               -      GND |       | GND      -             -
- PWM3_M2  - UART3_M1_TX   - GPIO1_D0 |       | GPIO2_A5 - UART1_M1_RX -
- PWM10_M2 - UART3_M1_RX   - GPIO1_D1 |       | GPIO2_A4 - UART1_M1_TX -
+ PWM3_M2  - UART3_M0_TX   - GPIO1_D0 |       | GPIO2_A5 - UART1_M0_RX -
+ PWM10_M2 - UART3_M0_RX   - GPIO1_D1 |       | GPIO2_A4 - UART1_M0_TX -
                                      + - + - +
 EOF
 }
diff --git a/sysdrv/tools/board/kernel/rv1106-luckfox-pico-pro-max-ipc.dtsi b/sysdrv/tools/board/kernel/rv1106-luckfox-pico-pro-max-ipc.dtsi
index f4f71e863..92cbe1d2d 100755
--- a/sysdrv/tools/board/kernel/rv1106-luckfox-pico-pro-max-ipc.dtsi
+++ b/sysdrv/tools/board/kernel/rv1106-luckfox-pico-pro-max-ipc.dtsi
@@ -338,10 +338,12 @@
 	pinctrl-0 = <&uart0m0_xfer &uart0m1_xfer>;
 };
 &uart1 {
-	pinctrl-0 = <&uart1m1_xfer>;
+	// pinctrl-0 = <&uart1m1_xfer>;
+	pinctrl-0 = <&uart1m0_xfer>;
 };
 &uart3 {
-	pinctrl-0 = <&uart3m1_xfer>;
+	// pinctrl-0 = <&uart3m1_xfer>;
+	pinctrl-0 = <&uart3m0_xfer>;
 };
 &uart4 {
 	pinctrl-0 = <&uart4m1_xfer>;
diff --git a/sysdrv/tools/board/luckfox_config/luckfox-config b/sysdrv/tools/board/luckfox_config/luckfox-config
index 8a793af82..4c74e815d 100755
--- a/sysdrv/tools/board/luckfox_config/luckfox-config
+++ b/sysdrv/tools/board/luckfox_config/luckfox-config
@@ -325,8 +325,8 @@ function luckfox_pico_pro_max_pin_diagram_file() {
  PWM6_M2  - SPI0_M0_MISO  - GPIO1_C3 |       | GPIO2_A1 -             -
  PWM5_M1  - I2C1_M1_SCL   - GPIO2_B0 |       | GPIO2_A0 -             -
           -               -      GND |       | GND      -             -
- PWM3_M2  - UART3_M1_TX   - GPIO1_D0 |       | GPIO2_A5 - UART1_M1_RX -
- PWM10_M2 - UART3_M1_RX   - GPIO1_D1 |       | GPIO2_A4 - UART1_M1_TX -
+ PWM3_M2  - UART3_M0_TX   - GPIO1_D0 |       | GPIO2_A5 - UART1_M0_RX -
+ PWM10_M2 - UART3_M0_RX   - GPIO1_D1 |       | GPIO2_A4 - UART1_M0_TX -
                                      + - + - +
 EOF
 }