diff --git a/iap/iap.c b/iap/iap.c
index 2dea004..3d296f1 100644
--- a/iap/iap.c
+++ b/iap/iap.c
@@ -407,6 +407,10 @@ static int _iap_entry(rt_bool_t is_boot)
         ports[i] = rt_device_find(name);
         RT_ASSERT(ports[i]);
 
+        struct serial_configure config = RT_SERIAL_CONFIG_DEFAULT;
+        config.baud_rate = BAUD_RATE_460800;
+        rt_device_control(ports[i], RT_DEVICE_CTRL_CONFIG, &config);
+
         rt_device_set_rx_indicate(ports[i], port_rx_ind);
         rt_device_open(ports[i], RT_DEVICE_OFLAG_RDWR | RT_DEVICE_FLAG_INT_RX);
     }
@@ -418,6 +422,11 @@ static int _iap_entry(rt_bool_t is_boot)
 
         odev_rx_ind = ports[0]->rx_indicate;
         rt_device_set_rx_indicate(ports[0], port_rx_ind);
+
+        struct serial_configure config = RT_SERIAL_CONFIG_DEFAULT;
+        config.baud_rate = BAUD_RATE_460800;
+        rt_device_control(ports[0], RT_DEVICE_CTRL_CONFIG, &config);
+
         rt_device_open(ports[0], RT_DEVICE_OFLAG_RDWR | RT_DEVICE_FLAG_INT_RX);
     }
 
diff --git a/libraries/HAL_Drivers/drv_common.c b/libraries/HAL_Drivers/drv_common.c
index 2f08260..d37381a 100644
--- a/libraries/HAL_Drivers/drv_common.c
+++ b/libraries/HAL_Drivers/drv_common.c
@@ -197,6 +197,12 @@ void rt_hw_board_init(void)
     rt_hw_usart_init();
 #endif
 
+    struct serial_configure config = RT_SERIAL_CONFIG_DEFAULT;
+    config.baud_rate = BAUD_RATE_460800;
+    rt_device_t dev = rt_device_find(RT_CONSOLE_DEVICE_NAME);
+    RT_ASSERT(dev);
+    rt_device_control(dev, RT_DEVICE_CTRL_CONFIG, &config);
+
     /* Set the shell console output device */
 #if defined(RT_USING_CONSOLE) && defined(RT_USING_DEVICE)
     rt_console_set_device(RT_CONSOLE_DEVICE_NAME);
diff --git a/project.uvoptx b/project.uvoptx
index 4a21d4c..95ce837 100644
--- a/project.uvoptx
+++ b/project.uvoptx
@@ -604,7 +604,7 @@
 
   <Group>
     <GroupName>Drivers</GroupName>
-    <tvExp>1</tvExp>
+    <tvExp>0</tvExp>
     <tvExpOptDlg>0</tvExpOptDlg>
     <cbSel>0</cbSel>
     <RteFlg>0</RteFlg>
@@ -856,7 +856,7 @@
 
   <Group>
     <GroupName>IAP</GroupName>
-    <tvExp>0</tvExp>
+    <tvExp>1</tvExp>
     <tvExpOptDlg>0</tvExpOptDlg>
     <cbSel>0</cbSel>
     <RteFlg>0</RteFlg>