diff --git a/Ubiquitous/XiZi_IIoT/board/xidatong-arm32/third_party_driver/Makefile b/Ubiquitous/XiZi_IIoT/board/xidatong-arm32/third_party_driver/Makefile
index e7c289a05..32f220b50 100644
--- a/Ubiquitous/XiZi_IIoT/board/xidatong-arm32/third_party_driver/Makefile
+++ b/Ubiquitous/XiZi_IIoT/board/xidatong-arm32/third_party_driver/Makefile
@@ -39,4 +39,8 @@ ifeq ($(CONFIG_BSP_USING_WDT),y)
   SRC_DIR += wdt
 endif
 
+ifeq ($(CONFIG_TOOL_USING_OTA),y)
+  SRC_DIR += ota
+endif
+
 include $(KERNEL_ROOT)/compiler.mk
diff --git a/Ubiquitous/XiZi_IIoT/board/xidatong-arm32/third_party_driver/common/Makefile b/Ubiquitous/XiZi_IIoT/board/xidatong-arm32/third_party_driver/common/Makefile
index 811164369..87aa9bf8b 100755
--- a/Ubiquitous/XiZi_IIoT/board/xidatong-arm32/third_party_driver/common/Makefile
+++ b/Ubiquitous/XiZi_IIoT/board/xidatong-arm32/third_party_driver/common/Makefile
@@ -5,7 +5,7 @@ ifeq ($(CONFIG_BSP_USING_SDIO),y)
 endif
 
 ifeq ($(CONFIG_TOOL_USING_OTA),y)
-  SRC_FILES += fsl_romapi.c flash.c mcuboot.c common.c ymodem.c
+  SRC_FILES += fsl_romapi.c flash.c common.c ymodem.c
 endif
 
 include $(KERNEL_ROOT)/compiler.mk
diff --git a/Ubiquitous/XiZi_IIoT/board/xidatong-arm32/third_party_driver/common/flash.c b/Ubiquitous/XiZi_IIoT/board/xidatong-arm32/third_party_driver/common/flash.c
index c032160de..00af3765d 100644
--- a/Ubiquitous/XiZi_IIoT/board/xidatong-arm32/third_party_driver/common/flash.c
+++ b/Ubiquitous/XiZi_IIoT/board/xidatong-arm32/third_party_driver/common/flash.c
@@ -755,288 +755,3 @@ status_t NorFlash_Write_NoCheck(uint8_t* pBuffer,uint32_t WriteAddr,uint16_t Num
 
     return (status_t)kStatus_Success;
 }
-
-
-/*******************************************************************************
-* 函 数 名: Flash_Erase
-* 功能描述: 以扇区为擦除单位擦除Flash指定长度的空间,最终擦除的字节可能大于imageSize
-* 形    参: start_addr:擦除区域起始地址
-            imageSize:要擦除的字节数
-* 返 回 值: 如果函数执行成功,状态值为 kStatus_Success,否则状态值为其他错误码 
-*******************************************************************************/
-status_t Flash_Erase(uint32_t start_addr, uint32_t imageSize)
-{
-    uint16_t i;
-    status_t status;
-    uint32_t sectorNum = (imageSize%SECTOR_SIZE != 0)? (imageSize/SECTOR_SIZE + 1):(imageSize/SECTOR_SIZE);
-    
-    for(i=0;i<sectorNum;i++)
-    {
-        status = FLASH_EraseSector(start_addr+i*SECTOR_SIZE);
-
-        if(status != kStatus_Success)
-        {
-            KPrintf("Erase_Sector 0x%x faild!\r\n",i*SECTOR_SIZE);
-            return status;
-        }
-    }
-    return (status_t)kStatus_Success;
-}
-
-/*******************************************************************************
-* 函 数 名: Flash_Write
-* 功能描述: 写入W25QXX在指定地址开始写入指定长度的数据 
-* 形    参: pBuffer:数据存储区
-            WriteAddr:开始写入的地址
-            NumByteToWrite:要写入的字节数(最大65535)  
-* 返 回 值: 如果函数执行成功,状态值为 kStatus_Success,否则状态值为其他错误码 
-* 注    释: 该函数带擦除操作
-*******************************************************************************/
-status_t Flash_Write(uint32_t WriteAddr, uint8_t *pBuffer, uint32_t NumByteToWrite)
-{ 
-    uint32_t secPos;
-    uint16_t secOff;
-    uint16_t secRemain;
-    uint16_t i;    
-    uint8_t *NorFlash_BUF = 0;
-    status_t status;
-
-    NorFlash_BUF = NorFlash_BUFFER;//RAM缓冲区4K
-
-    WriteAddr &= 0x0FFFFFFF;
-    
-    secPos = WriteAddr/SECTOR_SIZE;//扇区地址
-    secOff = WriteAddr%SECTOR_SIZE;//在扇区内的偏移
-    secRemain = SECTOR_SIZE - secOff;//扇区剩余空间大小
-    
-    if(NumByteToWrite <= secRemain)
-    {
-        secRemain = NumByteToWrite;//不大于4096个字节
-    }
-    while(1) 
-    {
-        status = FLASH_ReadBuf(CHIP_FLAH_BASE + secPos*SECTOR_SIZE, (void *)NorFlash_BUF, SECTOR_SIZE);//读出整个扇区的内容
-        if(status != kStatus_Success)
-        {
-            return status;
-        }
-        for(i=0;i<secRemain;i++)//校验数据
-        {
-            if(NorFlash_BUF[secOff+i] != 0xFF)
-            {
-                break;//需要擦除
-            }
-        }
-        if(i < secRemain)//需要擦除
-        {
-            status = FLASH_EraseSector(CHIP_FLAH_BASE + secPos*SECTOR_SIZE);
-            if(status != kStatus_Success)
-            {
-                return status;
-            }
-            for(i=0;i<secRemain;i++)//复制
-            {
-                NorFlash_BUF[i+secOff] = pBuffer[i];                       
-            }
-            status = NorFlash_Write_NoCheck(NorFlash_BUF,CHIP_FLAH_BASE + secPos*SECTOR_SIZE,SECTOR_SIZE);//写入整个扇区
-            if(status != kStatus_Success)
-            {
-                return status;
-            }  
-        }
-        else
-        {
-            status = NorFlash_Write_NoCheck(pBuffer,CHIP_FLAH_BASE + WriteAddr,secRemain);//写已经擦除了的,直接写入扇区剩余区间. 	
-            if(status != kStatus_Success)
-            {
-                return status;
-            } 	
-        }
-                           
-        if(NumByteToWrite == secRemain)
-        {
-            break;//写入结束了
-        }
-        else//写入未结束
-        {
-            secPos++;//扇区地址增1
-            secOff=0;//偏移位置为0
-
-            pBuffer += secRemain;//指针偏移
-            WriteAddr += secRemain;//写地址偏移
-            NumByteToWrite -= secRemain;//字节数递减
-            if(NumByteToWrite > SECTOR_SIZE)
-            {
-                secRemain = SECTOR_SIZE;//下一个扇区还是写不完	
-            }
-            else
-            {
-                secRemain = NumByteToWrite;//下一个扇区可以写完了	
-            }
-        }
-    }
-
-    return (status_t)kStatus_Success;
-}
-
-
-/*******************************************************************************
-* 函 数 名: Flash_Read
-* 功能描述: 读Flash内容
-* 形    参: addr:读取区域起始地址
-            buf:数据存储区
-            len:要读取的字节数
-* 返 回 值: 如果函数执行成功，状态值为 kStatus_Success，否则状态值为其他错误码 
-*******************************************************************************/
-status_t Flash_Read(uint32_t addr, uint8_t *buf, uint32_t len)
-{   
-    /* For FlexSPI Memory ReadBack, use IP Command instead of AXI command for security */
-    if((addr >= 0x60000000) && (addr < 0x61000000))
-    {
-        return FLASH_ReadBuf(addr, (void *)buf, len);
-    }
-    else
-    {
-        void* result = memcpy(buf, (void*)addr, len);
-        if(result == NULL)
-        {
-            return (status_t)kStatus_Fail;  
-        } 
-        else 
-        {
-            return (status_t)kStatus_Success;  
-        }  
-    }
-}
-
-
-/*******************************************************************************
-* 函 数 名: Flash_Copy
-* 功能描述: 实现flash数据在分区之间的拷贝
-* 形    参: srcAddr:源flash的起始地址
-            dstAddr:目标flash的起始地址;
-            imageSize:要拷贝的flash空间大小,单位为字节
-* 返 回 值: 如果函数执行成功，状态值为 kStatus_Success，否则状态值为其他错误码 
-*******************************************************************************/
-status_t Flash_Copy(uint32_t srcAddr,uint32_t dstAddr, uint32_t imageSize)
-{   
-    uint32_t PageNum, Remain, i;
-    status_t status;
-
-    if((srcAddr == dstAddr) || imageSize > APP_FLASH_SIZE)
-    {
-        return (status_t)kStatus_Fail;
-    }
-
-    status = Flash_Erase(dstAddr,imageSize);
-    if(status != kStatus_Success)
-    {
-        KPrintf("Erase flash 0x%08x failure !\r\n",dstAddr);
-        return status;
-    }
-
-    PageNum = imageSize/FLASH_PAGE_SIZE;
-    Remain = imageSize%FLASH_PAGE_SIZE;
-
-    for(i=0;i<PageNum;i++)
-    {
-        memset(buffer, 0, sizeof(buffer));
-        status = Flash_Read(srcAddr + i*FLASH_PAGE_SIZE, buffer, sizeof(buffer));
-        if(status != kStatus_Success)
-        {
-            KPrintf("Read flash 0x%08x failure !\r\n", srcAddr + i*FLASH_PAGE_SIZE);
-            return status;
-        }
-        status = Flash_Write(dstAddr+ i*FLASH_PAGE_SIZE, buffer, FLASH_PAGE_SIZE);
-        if(status != kStatus_Success)
-        {
-            KPrintf("Write flash 0x%08x failure !\r\n", dstAddr + i*FLASH_PAGE_SIZE);
-            return status;
-        }
-    }
-
-    if(Remain)
-    {
-        memset(buffer, 0, sizeof(buffer));
-        status = Flash_Read(srcAddr + i*FLASH_PAGE_SIZE, buffer, Remain);
-        if(status != kStatus_Success)
-        {
-            KPrintf("Read flash 0x%08x failure !\r\n", srcAddr + i*FLASH_PAGE_SIZE);
-            return status;
-        }
-        status = Flash_Write(dstAddr+ i*FLASH_PAGE_SIZE, buffer, Remain);
-        if(status != kStatus_Success)
-        {
-            KPrintf("Write flash 0x%08x failure !\r\n", dstAddr + i*FLASH_PAGE_SIZE);
-            return status;
-        }
-    }
-
-    return (status_t)kStatus_Success; 
-}
-
-/*******************************************************************************
-* 函 数 名: NOR_FLASH_Write
-* 功能描述: 写入W25QXX在指定地址开始写入指定长度的数据 
-* 形    参: FlashAddress:用于存储当前写入Flash地址的指针，写入过程中会移动
-            Data:要写入数据存储区
-            DataLength:要写入的字节数
-* 返 回 值: 如果函数执行成功,状态值为 kStatus_Success,否则状态值为其他错误码  
-*******************************************************************************/
-#ifndef  USE_HIGHT_SPEED_TRANS
-status_t NOR_FLASH_Write(uint32_t* FlashAddress, uint8_t* Data ,uint16_t DataLength)
-{
-    status_t status;
-    uint32_t WriteAddr;
-    WriteAddr = *FlashAddress;
-    status = Flash_Write(WriteAddr,Data,DataLength);
-    if(status != kStatus_Success)
-    {
-        return status;
-    }
-    *FlashAddress += DataLength;
-    return (status_t)kStatus_Success;
-}
-#else
-uint8_t packetNum = 0;
-uint32_t dataLen = 0;
-uint32_t WriteAddr;
-uint8_t dataBuff[5*1024];
-status_t NOR_FLASH_Write(uint32_t* FlashAddress, uint8_t* Data ,uint16_t DataLength,uint8_t doneFlag)
-{
-    status_t status;
-    if(!doneFlag)
-    {  
-        memcpy(&dataBuff[dataLen],Data,DataLength);
-        dataLen += DataLength;
-        packetNum ++;
-        if(1 == packetNum)
-        {
-            WriteAddr = *FlashAddress;
-        }
-
-        if(dataLen>=SECTOR_SIZE)
-        {
-            status = Flash_Write(WriteAddr,dataBuff,dataLen);
-            if(status != kStatus_Success)
-            {
-                return status;
-            } 
-            packetNum = 0;
-            dataLen = 0; 
-        }
-        *FlashAddress += DataLength;
-    }
-    else
-    {
-        status = Flash_Write(WriteAddr,dataBuff,dataLen);
-        if(status != kStatus_Success)
-        {
-            return status;
-        }
-        packetNum = 0;
-        dataLen = 0; 
-    }
-   return (status_t)kStatus_Success;;
-}
-#endif
diff --git a/Ubiquitous/XiZi_IIoT/board/xidatong-arm32/third_party_driver/common/mcuboot.c b/Ubiquitous/XiZi_IIoT/board/xidatong-arm32/third_party_driver/common/mcuboot.c
deleted file mode 100644
index e3890c505..000000000
--- a/Ubiquitous/XiZi_IIoT/board/xidatong-arm32/third_party_driver/common/mcuboot.c
+++ /dev/null
@@ -1,60 +0,0 @@
-/*
- * Copyright 2018-2020 NXP
- * All rights reserved.
- *
- * SPDX-License-Identifier: BSD-3-Clause
- */
-
-/**
-* @file mucboot.c
-* @brief support bootloader function
-* @version 2.0 
-* @author AIIT XUOS Lab
-* @date 2023-04-03
-*/
-
-#include <stdint.h>
-#include <xs_base.h>
-#include "common.h"
-#include "mcuboot.h"
-#include "flash.h"
-
-#ifdef TOOL_USING_OTA
-
-void mcuboot_bord_init(void)
-{
-    BOARD_ConfigMPU();
-    BOARD_InitPins();
-    BOARD_BootClockRUN();
-    UartConfig();
-    SysTick_Config(SystemCoreClock / TICK_PER_SECOND);
-}
-
-void mcuboot_reset(void)
-{
-    __set_FAULTMASK(1);
-    NVIC_SystemReset();
-}
-
-void mcuboot_jump(void)
-{
-    uint32_t addr = XIUOS_FLAH_ADDRESS;
-
-    SCB->VTOR = addr;
-    asm volatile("LDR R0, %0" : : "m"(addr));
-    asm volatile("LDR   R0, [R0]");
-    asm volatile("MOV   SP, R0");
-    
-    addr += 4;
-    asm volatile("LDR R0, %0" : : "m"(addr));
-    asm volatile("LDR   R0, [R0]");
-    asm volatile("BX  R0");
-}
-
-extern void ImxrtMsDelay(uint32 ms);
-
-void mcuboot_delay(uint32_t ms)
-{
-    ImxrtMsDelay(ms);
-}
-#endif
\ No newline at end of file
diff --git a/Ubiquitous/XiZi_IIoT/board/xidatong-arm32/third_party_driver/include/mcuboot.h b/Ubiquitous/XiZi_IIoT/board/xidatong-arm32/third_party_driver/include/boot_for_ota.h
similarity index 74%
rename from Ubiquitous/XiZi_IIoT/board/xidatong-arm32/third_party_driver/include/mcuboot.h
rename to Ubiquitous/XiZi_IIoT/board/xidatong-arm32/third_party_driver/include/boot_for_ota.h
index f63aa1a8b..d3bb55912 100644
--- a/Ubiquitous/XiZi_IIoT/board/xidatong-arm32/third_party_driver/include/mcuboot.h
+++ b/Ubiquitous/XiZi_IIoT/board/xidatong-arm32/third_party_driver/include/boot_for_ota.h
@@ -1,16 +1,9 @@
-/*
- * Copyright 2018-2020 NXP
- * All rights reserved.
- *
- * SPDX-License-Identifier: BSD-3-Clause
- */
- 
 /**
-* @file mcuboot.h
+* @file boot_for_ota.h
 * @brief support bootloader function
 * @version 2.0 
 * @author AIIT XUOS Lab
-* @date 2023-04-03
+* @date 2023-11-20
 */
 
 #ifndef __MCUBOOT_H__
diff --git a/Ubiquitous/XiZi_IIoT/board/xidatong-arm32/third_party_driver/include/flash_for_ota.h b/Ubiquitous/XiZi_IIoT/board/xidatong-arm32/third_party_driver/include/flash_for_ota.h
new file mode 100644
index 000000000..020e8fa23
--- /dev/null
+++ b/Ubiquitous/XiZi_IIoT/board/xidatong-arm32/third_party_driver/include/flash_for_ota.h
@@ -0,0 +1,31 @@
+/**
+* @file flash.h
+* @brief support flexspi norflash function
+* @version 2.0 
+* @author AIIT XUOS Lab
+* @date 2023-11-20
+*/
+
+#ifndef __FLASH_H__
+#define __FLASH_H__
+
+#include <xs_base.h>
+#include <stdint.h>
+#include "fsl_romapi.h"
+#include "flash.h"
+
+#define USE_HIGHT_SPEED_TRANS  1
+
+status_t Flash_Erase(uint32_t start_addr, uint32_t imageSize);
+status_t Flash_Write(uint32_t WriteAddr, uint8_t *pBuffer, uint32_t NumByteToWrite);
+status_t Flash_Read(uint32_t addr, uint8_t *buf, uint32_t len);
+status_t Flash_Copy(uint32_t srcAddr,uint32_t dstAddr, uint32_t imageSize);
+
+#ifndef  USE_HIGHT_SPEED_TRANS
+status_t NOR_FLASH_Write(uint32_t* FlashAddress, uint8_t* Data ,uint16_t DataLength);
+#else
+status_t NOR_FLASH_Write(uint32_t* FlashAddress, uint8_t* Data ,uint16_t DataLength,uint8_t doneFlag);
+#endif
+
+#endif
+
diff --git a/Ubiquitous/XiZi_IIoT/board/xidatong-arm32/third_party_driver/ota/Kconfig b/Ubiquitous/XiZi_IIoT/board/xidatong-arm32/third_party_driver/ota/Kconfig
deleted file mode 100644
index e69de29bb..000000000
diff --git a/Ubiquitous/XiZi_IIoT/board/xidatong-arm32/third_party_driver/ota/Makefile b/Ubiquitous/XiZi_IIoT/board/xidatong-arm32/third_party_driver/ota/Makefile
index e69de29bb..982ca9cbc 100644
--- a/Ubiquitous/XiZi_IIoT/board/xidatong-arm32/third_party_driver/ota/Makefile
+++ b/Ubiquitous/XiZi_IIoT/board/xidatong-arm32/third_party_driver/ota/Makefile
@@ -0,0 +1,3 @@
+SRC_FILES := flash_for_ota.c boot_for_ota.c 
+
+include $(KERNEL_ROOT)/compiler.mk
diff --git a/Ubiquitous/XiZi_IIoT/board/xidatong-arm32/third_party_driver/ota/boot_for_ota.c b/Ubiquitous/XiZi_IIoT/board/xidatong-arm32/third_party_driver/ota/boot_for_ota.c
index e69de29bb..53fa98dad 100644
--- a/Ubiquitous/XiZi_IIoT/board/xidatong-arm32/third_party_driver/ota/boot_for_ota.c
+++ b/Ubiquitous/XiZi_IIoT/board/xidatong-arm32/third_party_driver/ota/boot_for_ota.c
@@ -0,0 +1,53 @@
+/**
+* @file mucboot.c
+* @brief support bootloader function
+* @version 2.0 
+* @author AIIT XUOS Lab
+* @date 2023-11-20
+*/
+
+#include <stdint.h>
+#include <xs_base.h>
+#include "common.h"
+#include "boot_for_ota.h"
+#include "flash.h"
+
+#ifdef TOOL_USING_OTA
+
+void mcuboot_bord_init(void)
+{
+    BOARD_ConfigMPU();
+    BOARD_InitPins();
+    BOARD_BootClockRUN();
+    UartConfig();
+    SysTick_Config(SystemCoreClock / TICK_PER_SECOND);
+}
+
+void mcuboot_reset(void)
+{
+    __set_FAULTMASK(1);
+    NVIC_SystemReset();
+}
+
+void mcuboot_jump(void)
+{
+    uint32_t addr = XIUOS_FLAH_ADDRESS;
+
+    SCB->VTOR = addr;
+    asm volatile("LDR R0, %0" : : "m"(addr));
+    asm volatile("LDR   R0, [R0]");
+    asm volatile("MOV   SP, R0");
+    
+    addr += 4;
+    asm volatile("LDR R0, %0" : : "m"(addr));
+    asm volatile("LDR   R0, [R0]");
+    asm volatile("BX  R0");
+}
+
+extern void ImxrtMsDelay(uint32 ms);
+
+void mcuboot_delay(uint32_t ms)
+{
+    ImxrtMsDelay(ms);
+}
+#endif
\ No newline at end of file
diff --git a/Ubiquitous/XiZi_IIoT/board/xidatong-arm32/third_party_driver/ota/flash_for_ota.c b/Ubiquitous/XiZi_IIoT/board/xidatong-arm32/third_party_driver/ota/flash_for_ota.c
index e69de29bb..914934b66 100644
--- a/Ubiquitous/XiZi_IIoT/board/xidatong-arm32/third_party_driver/ota/flash_for_ota.c
+++ b/Ubiquitous/XiZi_IIoT/board/xidatong-arm32/third_party_driver/ota/flash_for_ota.c
@@ -0,0 +1,299 @@
+/**
+* @file fsl_flash.c
+* @brief support flexspi norflash function
+* @version 2.0 
+* @author AIIT XUOS Lab
+* @date 2023-11-20
+*/
+ 
+#include <stdio.h>
+#include "flash.h"
+#include "flash_for_ota.h"
+#include "MIMXRT1052.h"
+
+uint8_t NorFlash_BUFFER[4096];         //4K buffer cache
+uint8_t buffer[FLASH_PAGE_SIZE];       //256 bytes buffer cache
+
+/*******************************************************************************
+* 函 数 名: Flash_Erase
+* 功能描述: 以扇区为擦除单位擦除Flash指定长度的空间,最终擦除的字节可能大于imageSize
+* 形    参: start_addr:擦除区域起始地址
+            imageSize:要擦除的字节数
+* 返 回 值: 如果函数执行成功,状态值为 kStatus_Success,否则状态值为其他错误码 
+*******************************************************************************/
+status_t Flash_Erase(uint32_t start_addr, uint32_t imageSize)
+{
+    uint16_t i;
+    status_t status;
+    uint32_t sectorNum = (imageSize%SECTOR_SIZE != 0)? (imageSize/SECTOR_SIZE + 1):(imageSize/SECTOR_SIZE);
+    
+    for(i=0;i<sectorNum;i++)
+    {
+        status = FLASH_EraseSector(start_addr+i*SECTOR_SIZE);
+
+        if(status != kStatus_Success)
+        {
+            KPrintf("Erase_Sector 0x%x faild!\r\n",i*SECTOR_SIZE);
+            return status;
+        }
+    }
+    return (status_t)kStatus_Success;
+}
+
+/*******************************************************************************
+* 函 数 名: Flash_Write
+* 功能描述: 写入W25QXX在指定地址开始写入指定长度的数据 
+* 形    参: pBuffer:数据存储区
+            WriteAddr:开始写入的地址
+            NumByteToWrite:要写入的字节数(最大65535)  
+* 返 回 值: 如果函数执行成功,状态值为 kStatus_Success,否则状态值为其他错误码 
+* 注    释: 该函数带擦除操作
+*******************************************************************************/
+status_t Flash_Write(uint32_t WriteAddr, uint8_t *pBuffer, uint32_t NumByteToWrite)
+{ 
+    uint32_t secPos;
+    uint16_t secOff;
+    uint16_t secRemain;
+    uint16_t i;    
+    uint8_t *NorFlash_BUF = 0;
+    status_t status;
+
+    NorFlash_BUF = NorFlash_BUFFER;//RAM缓冲区4K
+
+    WriteAddr &= 0x0FFFFFFF;
+    
+    secPos = WriteAddr/SECTOR_SIZE;//扇区地址
+    secOff = WriteAddr%SECTOR_SIZE;//在扇区内的偏移
+    secRemain = SECTOR_SIZE - secOff;//扇区剩余空间大小
+    
+    if(NumByteToWrite <= secRemain)
+    {
+        secRemain = NumByteToWrite;//不大于4096个字节
+    }
+    while(1) 
+    {
+        status = FLASH_ReadBuf(CHIP_FLAH_BASE + secPos*SECTOR_SIZE, (void *)NorFlash_BUF, SECTOR_SIZE);//读出整个扇区的内容
+        if(status != kStatus_Success)
+        {
+            return status;
+        }
+        for(i=0;i<secRemain;i++)//校验数据
+        {
+            if(NorFlash_BUF[secOff+i] != 0xFF)
+            {
+                break;//需要擦除
+            }
+        }
+        if(i < secRemain)//需要擦除
+        {
+            status = FLASH_EraseSector(CHIP_FLAH_BASE + secPos*SECTOR_SIZE);
+            if(status != kStatus_Success)
+            {
+                return status;
+            }
+            for(i=0;i<secRemain;i++)//复制
+            {
+                NorFlash_BUF[i+secOff] = pBuffer[i];                       
+            }
+            status = NorFlash_Write_NoCheck(NorFlash_BUF,CHIP_FLAH_BASE + secPos*SECTOR_SIZE,SECTOR_SIZE);//写入整个扇区
+            if(status != kStatus_Success)
+            {
+                return status;
+            }  
+        }
+        else
+        {
+            status = NorFlash_Write_NoCheck(pBuffer,CHIP_FLAH_BASE + WriteAddr,secRemain);//写已经擦除了的,直接写入扇区剩余区间. 	
+            if(status != kStatus_Success)
+            {
+                return status;
+            } 	
+        }
+                           
+        if(NumByteToWrite == secRemain)
+        {
+            break;//写入结束了
+        }
+        else//写入未结束
+        {
+            secPos++;//扇区地址增1
+            secOff=0;//偏移位置为0
+
+            pBuffer += secRemain;//指针偏移
+            WriteAddr += secRemain;//写地址偏移
+            NumByteToWrite -= secRemain;//字节数递减
+            if(NumByteToWrite > SECTOR_SIZE)
+            {
+                secRemain = SECTOR_SIZE;//下一个扇区还是写不完	
+            }
+            else
+            {
+                secRemain = NumByteToWrite;//下一个扇区可以写完了	
+            }
+        }
+    }
+
+    return (status_t)kStatus_Success;
+}
+
+
+/*******************************************************************************
+* 函 数 名: Flash_Read
+* 功能描述: 读Flash内容
+* 形    参: addr:读取区域起始地址
+            buf:数据存储区
+            len:要读取的字节数
+* 返 回 值: 如果函数执行成功，状态值为 kStatus_Success，否则状态值为其他错误码 
+*******************************************************************************/
+status_t Flash_Read(uint32_t addr, uint8_t *buf, uint32_t len)
+{   
+    /* For FlexSPI Memory ReadBack, use IP Command instead of AXI command for security */
+    if((addr >= 0x60000000) && (addr < 0x61000000))
+    {
+        return FLASH_ReadBuf(addr, (void *)buf, len);
+    }
+    else
+    {
+        void* result = memcpy(buf, (void*)addr, len);
+        if(result == NULL)
+        {
+            return (status_t)kStatus_Fail;  
+        } 
+        else 
+        {
+            return (status_t)kStatus_Success;  
+        }  
+    }
+}
+
+
+/*******************************************************************************
+* 函 数 名: Flash_Copy
+* 功能描述: 实现flash数据在分区之间的拷贝
+* 形    参: srcAddr:源flash的起始地址
+            dstAddr:目标flash的起始地址;
+            imageSize:要拷贝的flash空间大小,单位为字节
+* 返 回 值: 如果函数执行成功，状态值为 kStatus_Success，否则状态值为其他错误码 
+*******************************************************************************/
+status_t Flash_Copy(uint32_t srcAddr,uint32_t dstAddr, uint32_t imageSize)
+{   
+    uint32_t PageNum, Remain, i;
+    status_t status;
+
+    if((srcAddr == dstAddr) || imageSize > APP_FLASH_SIZE)
+    {
+        return (status_t)kStatus_Fail;
+    }
+
+    status = Flash_Erase(dstAddr,imageSize);
+    if(status != kStatus_Success)
+    {
+        KPrintf("Erase flash 0x%08x failure !\r\n",dstAddr);
+        return status;
+    }
+
+    PageNum = imageSize/FLASH_PAGE_SIZE;
+    Remain = imageSize%FLASH_PAGE_SIZE;
+
+    for(i=0;i<PageNum;i++)
+    {
+        memset(buffer, 0, sizeof(buffer));
+        status = Flash_Read(srcAddr + i*FLASH_PAGE_SIZE, buffer, sizeof(buffer));
+        if(status != kStatus_Success)
+        {
+            KPrintf("Read flash 0x%08x failure !\r\n", srcAddr + i*FLASH_PAGE_SIZE);
+            return status;
+        }
+        status = Flash_Write(dstAddr+ i*FLASH_PAGE_SIZE, buffer, FLASH_PAGE_SIZE);
+        if(status != kStatus_Success)
+        {
+            KPrintf("Write flash 0x%08x failure !\r\n", dstAddr + i*FLASH_PAGE_SIZE);
+            return status;
+        }
+    }
+
+    if(Remain)
+    {
+        memset(buffer, 0, sizeof(buffer));
+        status = Flash_Read(srcAddr + i*FLASH_PAGE_SIZE, buffer, Remain);
+        if(status != kStatus_Success)
+        {
+            KPrintf("Read flash 0x%08x failure !\r\n", srcAddr + i*FLASH_PAGE_SIZE);
+            return status;
+        }
+        status = Flash_Write(dstAddr+ i*FLASH_PAGE_SIZE, buffer, Remain);
+        if(status != kStatus_Success)
+        {
+            KPrintf("Write flash 0x%08x failure !\r\n", dstAddr + i*FLASH_PAGE_SIZE);
+            return status;
+        }
+    }
+
+    return (status_t)kStatus_Success; 
+}
+
+/*******************************************************************************
+* 函 数 名: NOR_FLASH_Write
+* 功能描述: 写入W25QXX在指定地址开始写入指定长度的数据 
+* 形    参: FlashAddress:用于存储当前写入Flash地址的指针，写入过程中会移动
+            Data:要写入数据存储区
+            DataLength:要写入的字节数
+* 返 回 值: 如果函数执行成功,状态值为 kStatus_Success,否则状态值为其他错误码  
+*******************************************************************************/
+#ifndef  USE_HIGHT_SPEED_TRANS
+status_t NOR_FLASH_Write(uint32_t* FlashAddress, uint8_t* Data ,uint16_t DataLength)
+{
+    status_t status;
+    uint32_t WriteAddr;
+    WriteAddr = *FlashAddress;
+    status = Flash_Write(WriteAddr,Data,DataLength);
+    if(status != kStatus_Success)
+    {
+        return status;
+    }
+    *FlashAddress += DataLength;
+    return (status_t)kStatus_Success;
+}
+#else
+uint8_t packetNum = 0;
+uint32_t dataLen = 0;
+uint32_t WriteAddr;
+uint8_t dataBuff[5*1024];
+status_t NOR_FLASH_Write(uint32_t* FlashAddress, uint8_t* Data ,uint16_t DataLength,uint8_t doneFlag)
+{
+    status_t status;
+    if(!doneFlag)
+    {  
+        memcpy(&dataBuff[dataLen],Data,DataLength);
+        dataLen += DataLength;
+        packetNum ++;
+        if(1 == packetNum)
+        {
+            WriteAddr = *FlashAddress;
+        }
+
+        if(dataLen>=SECTOR_SIZE)
+        {
+            status = Flash_Write(WriteAddr,dataBuff,dataLen);
+            if(status != kStatus_Success)
+            {
+                return status;
+            } 
+            packetNum = 0;
+            dataLen = 0; 
+        }
+        *FlashAddress += DataLength;
+    }
+    else
+    {
+        status = Flash_Write(WriteAddr,dataBuff,dataLen);
+        if(status != kStatus_Success)
+        {
+            return status;
+        }
+        packetNum = 0;
+        dataLen = 0; 
+    }
+   return (status_t)kStatus_Success;;
+}
+#endif
diff --git a/Ubiquitous/XiZi_IIoT/tool/bootloader/ota/ota.c b/Ubiquitous/XiZi_IIoT/tool/bootloader/ota/ota.c
index 33bccf32c..619686935 100644
--- a/Ubiquitous/XiZi_IIoT/tool/bootloader/ota/ota.c
+++ b/Ubiquitous/XiZi_IIoT/tool/bootloader/ota/ota.c
@@ -23,7 +23,7 @@
 #include <stdbool.h>
 #include <transform.h>
 #include "shell.h"
-#include "mcuboot.h"
+#include "boot_for_ota.h"
 #include "ymodem.h"
 #include "ota.h"