diff --git a/Ubiquitous/Nuttx_Fusion_XiUOS/aiit_board/xidatong/src/ch438_demo.c b/Ubiquitous/Nuttx_Fusion_XiUOS/aiit_board/xidatong/src/ch438_demo.c
index 7a976f39e..94641eba8 100644
--- a/Ubiquitous/Nuttx_Fusion_XiUOS/aiit_board/xidatong/src/ch438_demo.c
+++ b/Ubiquitous/Nuttx_Fusion_XiUOS/aiit_board/xidatong/src/ch438_demo.c
@@ -1,31 +1,22 @@
-/****************************************************************************
- * apps/examples/sx127x_demo/sx127x_demo.c
- *
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.  The
- * ASF licenses this file to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance with the
- * License.  You may obtain a copy of the License at
- *
- *   http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
- * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
- * License for the specific language governing permissions and limitations
- * under the License.
- *
- ****************************************************************************/
+/*
+* Copyright (c) 2020 AIIT XUOS Lab
+* XiOS is licensed under Mulan PSL v2.
+* You can use this software according to the terms and conditions of the Mulan PSL v2.
+* You may obtain a copy of Mulan PSL v2 at:
+*        http://license.coscl.org.cn/MulanPSL2
+* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+* See the Mulan PSL v2 for more details.
+*/
 
 /**
-* @file ch438_demo.c
-* @brief nuttx source code
-*                 https://github.com/apache/incubator-nuttx-apps
-* @version 10.2.0 
-* @author AIIT XUOS Lab
-* @date 2022-03-17
-*/
+ * @file ch438_demo.c
+ * @brief imxrt board sd card automount
+ * @version 1.0
+ * @author AIIT XUOS Lab
+ * @date 2022.04.26
+ */
 
 /****************************************************************************
  * Included Files
@@ -48,6 +39,7 @@
 #include <debug.h>
 #include <poll.h>
 #include <fcntl.h>
+#include <syslog.h>
 
 #include "imxrt_ch438.h"
 
@@ -57,14 +49,14 @@
 void CH438Demo(void)
 {
     int i=0;
-    printf("ch438_main\n");
+    syslog(LOG_INFO,"ch438_main\n");
     Ch438InitDefault();
     ch438_irq_enable();
     up_mdelay(1000);
     while(1)
     {
         CH438UARTSend(2,"AT+BAUD=?",9);
-        printf("send success\n");
+        syslog(LOG_INFO,"send success\n");
         ImxrtCh438ReadData(NULL);
         up_mdelay(2000);
     }
diff --git a/Ubiquitous/Nuttx_Fusion_XiUOS/aiit_board/xidatong/src/imxrt_ch438.c b/Ubiquitous/Nuttx_Fusion_XiUOS/aiit_board/xidatong/src/imxrt_ch438.c
index 9d0fd5495..1d6031da4 100644
--- a/Ubiquitous/Nuttx_Fusion_XiUOS/aiit_board/xidatong/src/imxrt_ch438.c
+++ b/Ubiquitous/Nuttx_Fusion_XiUOS/aiit_board/xidatong/src/imxrt_ch438.c
@@ -1,7 +1,28 @@
+/*
+* Copyright (c) 2020 AIIT XUOS Lab
+* XiOS is licensed under Mulan PSL v2.
+* You can use this software according to the terms and conditions of the Mulan PSL v2.
+* You may obtain a copy of Mulan PSL v2 at:
+*        http://license.coscl.org.cn/MulanPSL2
+* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+* See the Mulan PSL v2 for more details.
+*/
+
+/**
+ * @file imxrt_ch438.c
+ * @brief imxrt board sd card automount
+ * @version 1.0
+ * @author AIIT XUOS Lab
+ * @date 2022.04.26
+ */
+
 #include <nuttx/config.h>
 
 #include <sys/types.h>
 #include <errno.h>
+#include <syslog.h>
 
 #include <nuttx/arch.h>
 #include <nuttx/irq.h>
@@ -91,12 +112,12 @@ void* ImxrtCh438ReadData(void *parameter)
 	// abstime.tv_sec = 2;
     // while (1)
     // {
-		printf("sem_438 is %d\n",sem_438.semcount);
+		syslog(LOG_INFO, "sem_438 is %d\n",sem_438.semcount);
         result = sem_wait(&sem_438);
         if (result == OK)
         {
 			gInterruptStatus = ReadCH438Data( REG_SSR_ADDR );
-			printf("gInterruptStatus is %d\n", gInterruptStatus);
+			syslog(LOG_INFO,"gInterruptStatus is %d\n", gInterruptStatus);
 			if(!gInterruptStatus)
 			{ 
 				 
@@ -122,7 +143,7 @@ void* ImxrtCh438ReadData(void *parameter)
 						REG_MSR_ADDR = offsetadd[ext_uart_no] | REG_MSR0_ADDR;
 								
 						InterruptStatus = ReadCH438Data( REG_IIR_ADDR ) & 0x0f;    /* 读串口的中断状态 */	
-						printf("InterruptStatus is %d\n", InterruptStatus);
+						syslog(LOG_INFO,"InterruptStatus is %d\n", InterruptStatus);
 						
 						switch( InterruptStatus )
 						{
@@ -136,7 +157,7 @@ void* ImxrtCh438ReadData(void *parameter)
 								RevLen = CH438UARTRcv(ext_uart_no, buff[ext_uart_no]);
 								for(i=0;i<RevLen;++i)
 								{
-									printf("%c(0x%x) ", buff[ext_uart_no][i], buff[ext_uart_no][i]);
+									syslog(LOG_INFO,"%c(0x%x) ", buff[ext_uart_no][i], buff[ext_uart_no][i]);
 								}
 
 								for(i=0;i<128;i++)
@@ -170,13 +191,13 @@ void Ch438InitDefault(void)
 	int ret = 0;
 
 	sem_init(&sem_438, 0, 0);
-	printf("sem_438 init is %d\n",sem_438.semcount);
+	syslog(LOG_INFO,"sem_438 init is %d\n",sem_438.semcount);
 	// attr.priority = 120;
     // attr.stacksize = 8192;
 	// ret = pthread_create(&thr_438, &attr, &ImxrtCh438ReadData, NULL);
 
 	if (ret != 0){
-      printf("ImxrtCh438ReadData: task create failed, status=%d\n", ret);
+      syslog(LOG_INFO,"ImxrtCh438ReadData: task create failed, status=%d\n", ret);
     }
 	
 	ImxrtCH438Init();
diff --git a/Ubiquitous/Nuttx_Fusion_XiUOS/aiit_board/xidatong/src/imxrt_ch438.h b/Ubiquitous/Nuttx_Fusion_XiUOS/aiit_board/xidatong/src/imxrt_ch438.h
index 62b6c970c..05d1593b6 100644
--- a/Ubiquitous/Nuttx_Fusion_XiUOS/aiit_board/xidatong/src/imxrt_ch438.h
+++ b/Ubiquitous/Nuttx_Fusion_XiUOS/aiit_board/xidatong/src/imxrt_ch438.h
@@ -1,3 +1,23 @@
+/*
+* Copyright (c) 2020 AIIT XUOS Lab
+* XiOS is licensed under Mulan PSL v2.
+* You can use this software according to the terms and conditions of the Mulan PSL v2.
+* You may obtain a copy of Mulan PSL v2 at:
+*        http://license.coscl.org.cn/MulanPSL2
+* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+* See the Mulan PSL v2 for more details.
+*/
+
+/**
+ * @file imxrt_ch438.h
+ * @brief imxrt board sd card automount
+ * @version 1.0
+ * @author AIIT XUOS Lab
+ * @date 2022.04.26
+ */
+
 #ifndef __QC_TEST_CH438__
 #define __QC_TEST_CH438__