diff --git a/APP_Framework/Framework/transform_layer/nuttx/transform.c b/APP_Framework/Framework/transform_layer/nuttx/transform.c
index 878aa0f93..35e3a599d 100644
--- a/APP_Framework/Framework/transform_layer/nuttx/transform.c
+++ b/APP_Framework/Framework/transform_layer/nuttx/transform.c
@@ -139,10 +139,30 @@ static int PrivSerialIoctl(int fd, int cmd, void *args)
 {
     struct SerialDataCfg *serial_cfg = (struct SerialDataCfg *)args;
     unsigned long serial_baud_rate = (unsigned long)serial_cfg->serial_baud_rate;
+    struct termios term;
+
+    /* Extended serial port */
     if(serial_cfg->is_ext_uart == 1)
     {
         return ioctl(fd, OPE_INT, serial_baud_rate);
     }
+
+    /* Standard serial port,only the baud rate is set */
+    else if(serial_cfg->is_ext_uart == 0)
+    {  
+        if(ioctl(fd, TCGETS, (unsigned long)&term) < 0)
+        {
+            return -1;
+        }
+        if ((cfsetispeed(&term, serial_baud_rate) < 0) ||(cfsetospeed(&term, serial_baud_rate) < 0))
+        {
+            return -1;
+        }
+        if(ioctl(fd, TCSETS, (unsigned long)&term) < 0)
+        {
+            return -1;
+        }
+    }
     return 0;
 }
 
diff --git a/Ubiquitous/Nuttx_Fusion_XiUOS/aiit_board/xidatong-riscv64/include/board.h b/Ubiquitous/Nuttx_Fusion_XiUOS/aiit_board/xidatong-riscv64/include/board.h
index 03564ace5..5677e9855 100644
--- a/Ubiquitous/Nuttx_Fusion_XiUOS/aiit_board/xidatong-riscv64/include/board.h
+++ b/Ubiquitous/Nuttx_Fusion_XiUOS/aiit_board/xidatong-riscv64/include/board.h
@@ -57,7 +57,7 @@
 
 /* GPIO pins used by the GPIO Subsystem */
 
-#define BOARD_NGPIOOUT    3 /* Amount of GPIO Output pins */
+#define BOARD_NGPIOOUT    4 /* Amount of GPIO Output pins */
 #define BOARD_NGPIOINT    0 /* Amount of GPIO Input */
 
 /****************************************************************************
diff --git a/Ubiquitous/Nuttx_Fusion_XiUOS/aiit_board/xidatong-riscv64/src/k210_gpio.c b/Ubiquitous/Nuttx_Fusion_XiUOS/aiit_board/xidatong-riscv64/src/k210_gpio.c
index 12c88622b..a54b3714d 100644
--- a/Ubiquitous/Nuttx_Fusion_XiUOS/aiit_board/xidatong-riscv64/src/k210_gpio.c
+++ b/Ubiquitous/Nuttx_Fusion_XiUOS/aiit_board/xidatong-riscv64/src/k210_gpio.c
@@ -51,10 +51,12 @@
 #define GPIO_E220_M0   44
 #define GPIO_E220_M1   45
 #define GPIO_E18_MODE  46
+#define GPIO_WIFI_EN   8
 
 #define FPIOA_E220_M0   1
 #define FPIOA_E220_M1   2
 #define FPIOA_E18_MODE  3
+#define FPIOA_WIFI_EN   4
 
 /****************************************************************************
  * Private Types
@@ -94,14 +96,16 @@ static const uint32_t g_gpiooutputs[BOARD_NGPIOOUT] =
 {
   GPIO_E220_M0, 
   GPIO_E220_M1,
-  GPIO_E18_MODE
+  GPIO_E18_MODE,
+  GPIO_WIFI_EN
 };
 
 static const uint32_t g_fpioa[BOARD_NGPIOOUT] =
 {
   FPIOA_E220_M0, 
   FPIOA_E220_M1,
-  FPIOA_E18_MODE
+  FPIOA_E18_MODE,
+  FPIOA_WIFI_EN
 };
 
 static struct k210gpio_dev_s g_gpout[BOARD_NGPIOOUT];