diff --git a/APP_Framework/Framework/transform_layer/xizi/transform.c b/APP_Framework/Framework/transform_layer/xizi/transform.c
index 6d2e69dd6..c3bd52813 100644
--- a/APP_Framework/Framework/transform_layer/xizi/transform.c
+++ b/APP_Framework/Framework/transform_layer/xizi/transform.c
@@ -171,6 +171,7 @@ int PrivIoctl(int fd, int cmd, void *args)
         break;
     case ADC_TYPE:
     case DAC_TYPE:
+    case WDT_TYPE:
         ret = ioctl(fd, cmd, ioctl_cfg->args);
         break;
     default:
diff --git a/APP_Framework/Framework/transform_layer/xizi/transform.h b/APP_Framework/Framework/transform_layer/xizi/transform.h
index 341709a65..2b071dca2 100644
--- a/APP_Framework/Framework/transform_layer/xizi/transform.h
+++ b/APP_Framework/Framework/transform_layer/xizi/transform.h
@@ -35,6 +35,9 @@ extern "C" {
 #define OPE_INT                 0x0000
 #define OPE_CFG                 0x0001
 
+#define OPER_WDT_SET_TIMEOUT    0x0002
+#define OPER_WDT_KEEPALIVE      0x0003
+
 #define NAME_NUM_MAX            32
 
 /*********************GPIO define*********************/
@@ -142,6 +145,7 @@ enum IoctlDriverType
     LCD_TYPE,
     ADC_TYPE,
     DAC_TYPE,
+    WDT_TYPE,
     DEFAULT_TYPE,
 };
 
diff --git a/Ubiquitous/XiZi/board/aiit-arm32-board/third_party_driver/watchdog/connect_wdg.c b/Ubiquitous/XiZi/board/aiit-arm32-board/third_party_driver/watchdog/connect_wdg.c
index 07fac1408..ac28504ea 100644
--- a/Ubiquitous/XiZi/board/aiit-arm32-board/third_party_driver/watchdog/connect_wdg.c
+++ b/Ubiquitous/XiZi/board/aiit-arm32-board/third_party_driver/watchdog/connect_wdg.c
@@ -11,7 +11,7 @@
 */
 
 /**
-* @file connect_wdt.c
+* @file connect_wdg.c
 * @brief support aiit-arm32-board watchdog function and register to bus framework
 * @version 1.0 
 * @author AIIT XUOS Lab
diff --git a/Ubiquitous/XiZi/board/xidatong/board.c b/Ubiquitous/XiZi/board/xidatong/board.c
index add8b5c4c..9ea490b0c 100644
--- a/Ubiquitous/XiZi/board/xidatong/board.c
+++ b/Ubiquitous/XiZi/board/xidatong/board.c
@@ -52,6 +52,10 @@ Modification:
 #include <connect_sdio.h>
 #endif
 
+#ifdef BSP_USING_WDT
+#include <connect_wdt.h>
+#endif
+
 #ifdef BSP_USING_SEMC
 extern status_t BOARD_InitSEMC(void);
 #ifdef BSP_USING_EXTSRAM
@@ -331,5 +335,8 @@ void InitBoardHardware()
     Imxrt1052HwSdioInit();
 #endif
 
+#ifdef BSP_USING_WDT 
+    Imxrt1052HwWdgInit();
+#endif
 }
 
diff --git a/Ubiquitous/XiZi/board/xidatong/third_party_driver/Kconfig b/Ubiquitous/XiZi/board/xidatong/third_party_driver/Kconfig
index 1c4cbea81..a21740ed2 100644
--- a/Ubiquitous/XiZi/board/xidatong/third_party_driver/Kconfig
+++ b/Ubiquitous/XiZi/board/xidatong/third_party_driver/Kconfig
@@ -48,3 +48,11 @@ menuconfig BSP_USING_USB
     if BSP_USING_USB
         source "$BSP_DIR/third_party_driver/usb/Kconfig"
     endif
+
+menuconfig BSP_USING_WDT
+    bool "Using WATCHDOG TIMER device"
+    default n
+    select RESOURCES_WDT
+    if BSP_USING_WDT
+        source "$BSP_DIR/third_party_driver/wdt/Kconfig"
+    endif
diff --git a/Ubiquitous/XiZi/board/xidatong/third_party_driver/Makefile b/Ubiquitous/XiZi/board/xidatong/third_party_driver/Makefile
index b439cc98f..66f6f6bbf 100644
--- a/Ubiquitous/XiZi/board/xidatong/third_party_driver/Makefile
+++ b/Ubiquitous/XiZi/board/xidatong/third_party_driver/Makefile
@@ -24,4 +24,8 @@ ifeq ($(CONFIG_BSP_USING_USB),y)
   SRC_DIR += usb
 endif
 
+ifeq ($(CONFIG_BSP_USING_WDT),y)
+  SRC_DIR += wdt
+endif
+
 include $(KERNEL_ROOT)/compiler.mk
diff --git a/Ubiquitous/XiZi/board/xidatong/third_party_driver/include/connect_wdt.h b/Ubiquitous/XiZi/board/xidatong/third_party_driver/include/connect_wdt.h
new file mode 100644
index 000000000..a6cf61e29
--- /dev/null
+++ b/Ubiquitous/XiZi/board/xidatong/third_party_driver/include/connect_wdt.h
@@ -0,0 +1,38 @@
+/*
+* Copyright (c) 2020 AIIT XUOS Lab
+* XiUOS 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 connect_wdt.h
+* @brief define imxrt1052-board watchdog function and struct
+* @version 2.0 
+* @author AIIT XUOS Lab
+* @date 2022-05-06
+*/
+
+#ifndef CONNECT_WDT_H
+#define CONNECT_WDT_H
+
+#include <device.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int Imxrt1052HwWdgInit(void);
+
+int StartWatchdog(void);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/Ubiquitous/XiZi/board/xidatong/third_party_driver/include/fsl_wdog.h b/Ubiquitous/XiZi/board/xidatong/third_party_driver/include/fsl_wdog.h
new file mode 100644
index 000000000..924acce11
--- /dev/null
+++ b/Ubiquitous/XiZi/board/xidatong/third_party_driver/include/fsl_wdog.h
@@ -0,0 +1,312 @@
+/*
+ * Copyright (c) 2016, Freescale Semiconductor, Inc.
+ * Copyright 2016-2018 NXP
+ * All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+#ifndef _FSL_WDOG_H_
+#define _FSL_WDOG_H_
+
+#include "fsl_common.h"
+
+/*!
+ * @addtogroup wdog
+ * @{
+ */
+
+/*******************************************************************************
+ * Definitions
+ *******************************************************************************/
+/*! @name Driver version */
+/*@{*/
+/*! @brief Defines WDOG driver version */
+#define FSL_WDOG_DRIVER_VERSION (MAKE_VERSION(2, 1, 0))
+/*@}*/
+/*! @name Refresh sequence */
+/*@{*/
+#define WDOG_REFRESH_KEY (0xAAAA5555U)
+/*@}*/
+
+/*! @brief Defines WDOG work mode. */
+typedef struct _wdog_work_mode
+{
+    bool enableWait;  /*!< continue or suspend WDOG in wait mode  */
+    bool enableStop;  /*!< continue or suspend WDOG in stop mode  */
+    bool enableDebug; /*!< continue or suspend WDOG in debug mode */
+} wdog_work_mode_t;
+
+/*! @brief Describes WDOG configuration structure. */
+typedef struct _wdog_config
+{
+    bool enableWdog;             /*!< Enables or disables WDOG */
+    wdog_work_mode_t workMode;   /*!< Configures WDOG work mode in debug stop and wait mode */
+    bool enableInterrupt;        /*!< Enables or disables WDOG interrupt */
+    uint16_t timeoutValue;       /*!< Timeout value */
+    uint16_t interruptTimeValue; /*!< Interrupt count timeout value */
+    bool softwareResetExtension; /*!< software reset extension */
+    bool enablePowerDown;        /*!< power down enable bit */
+    bool enableTimeOutAssert;    /*!< Enable WDOG_B timeout assertion. */
+} wdog_config_t;
+
+/*!
+ * @brief WDOG interrupt configuration structure, default settings all disabled.
+ *
+ * This structure contains the settings for all of the WDOG interrupt configurations.
+ */
+enum _wdog_interrupt_enable
+{
+    kWDOG_InterruptEnable = WDOG_WICR_WIE_MASK /*!< WDOG timeout generates an interrupt before reset*/
+};
+
+/*!
+ * @brief WDOG status flags.
+ *
+ * This structure contains the WDOG status flags for use in the WDOG functions.
+ */
+enum _wdog_status_flags
+{
+    kWDOG_RunningFlag       = WDOG_WCR_WDE_MASK,   /*!< Running flag, set when WDOG is enabled*/
+    kWDOG_PowerOnResetFlag  = WDOG_WRSR_POR_MASK,  /*!< Power On flag, set when reset is the result of a powerOnReset*/
+    kWDOG_TimeoutResetFlag  = WDOG_WRSR_TOUT_MASK, /*!< Timeout flag, set when reset is the result of a timeout*/
+    kWDOG_SoftwareResetFlag = WDOG_WRSR_SFTW_MASK, /*!< Software flag, set when reset is the result of a software*/
+    kWDOG_InterruptFlag     = WDOG_WICR_WTIS_MASK  /*!< interrupt flag,whether interrupt has occurred or not*/
+};
+
+/*******************************************************************************
+ * API
+ *******************************************************************************/
+
+#if defined(__cplusplus)
+extern "C" {
+#endif /* __cplusplus */
+
+/*!
+ * @name WDOG Initialization and De-initialization.
+ * @{
+ */
+
+/*!
+ * @brief Initializes the WDOG configuration structure.
+ *
+ * This function initializes the WDOG configuration structure to default values. The default
+ * values are as follows.
+ * @code
+ *   wdogConfig->enableWdog = true;
+ *   wdogConfig->workMode.enableWait = true;
+ *   wdogConfig->workMode.enableStop = false;
+ *   wdogConfig->workMode.enableDebug = false;
+ *   wdogConfig->enableInterrupt = false;
+ *   wdogConfig->enablePowerdown = false;
+ *   wdogConfig->resetExtension = flase;
+ *   wdogConfig->timeoutValue = 0xFFU;
+ *   wdogConfig->interruptTimeValue = 0x04u;
+ * @endcode
+ *
+ * @param config Pointer to the WDOG configuration structure.
+ * @see wdog_config_t
+ */
+void WDOG_GetDefaultConfig(wdog_config_t *config);
+
+/*!
+ * @brief Initializes the WDOG.
+ *
+ * This function initializes the WDOG. When called, the WDOG runs according to the configuration.
+ *
+ * This is an example.
+ * @code
+ *   wdog_config_t config;
+ *   WDOG_GetDefaultConfig(&config);
+ *   config.timeoutValue = 0xffU;
+ *   config->interruptTimeValue = 0x04u;
+ *   WDOG_Init(wdog_base,&config);
+ * @endcode
+ *
+ * @param base   WDOG peripheral base address
+ * @param config The configuration of WDOG
+ */
+void WDOG_Init(WDOG_Type *base, const wdog_config_t *config);
+
+/*!
+ * @brief Shuts down the WDOG.
+ *
+ * This function shuts down the WDOG.
+ * Watchdog Enable bit is a write one once only bit. It is not
+ * possible to clear this bit by a software write, once the bit is set.
+ * This bit(WDE) can be set/reset only in debug mode(exception).
+ */
+void WDOG_Deinit(WDOG_Type *base);
+
+/*!
+ * @brief Enables the WDOG module.
+ *
+ * This function writes a value into the WDOG_WCR register to enable the WDOG.
+ * This is a write one once only bit. It is not possible to clear this bit by a software write,
+ * once the bit is set. only debug mode exception.
+ * @param base WDOG peripheral base address
+ */
+static inline void WDOG_Enable(WDOG_Type *base)
+{
+    base->WCR |= WDOG_WCR_WDE_MASK;
+}
+
+
+static inline void SET_WDOG_WDT(WDOG_Type *base)
+{
+	base->WCR |= WDOG_WCR_WDT_MASK;
+}
+
+
+/*!
+ * @brief Disables the WDOG module.
+ *
+ * This function writes a value into the WDOG_WCR register to disable the WDOG.
+ * This is a write one once only bit. It is not possible to clear this bit by a software write,once the bit is set.
+ * only debug mode exception
+ * @param base WDOG peripheral base address
+ */
+static inline void WDOG_Disable(WDOG_Type *base)
+{
+    base->WCR &= ~WDOG_WCR_WDE_MASK;
+}
+
+/*!
+ * @brief Trigger the system software reset.
+ *
+ * This function will write to the WCR[SRS] bit to trigger a software system reset.
+ * This bit will automatically resets to "1" after it has been asserted to "0".
+ * Note: Calling this API will reset the system right now, please using it with more attention.
+ *
+ * @param base WDOG peripheral base address
+ */
+static inline void WDOG_TriggerSystemSoftwareReset(WDOG_Type *base)
+{
+    base->WCR &= ~WDOG_WCR_SRS_MASK;
+}
+
+/*!
+ * @brief Trigger an output assertion.
+ *
+ * This function will write to the WCR[WDA] bit to trigger WDOG_B signal assertion.
+ * The WDOG_B signal can be routed to external pin of the chip, the output pin will turn to
+ * assertion along with WDOG_B signal.
+ * Note: The WDOG_B signal will remain assert until a power on reset occurred, so, please
+ * take more attention while calling it.
+ *
+ * @param base WDOG peripheral base address
+ */
+static inline void WDOG_TriggerSoftwareSignal(WDOG_Type *base)
+{
+    base->WCR &= ~WDOG_WCR_WDA_MASK;
+}
+
+/*!
+ * @brief Enables the WDOG interrupt.
+ *
+ *This bit is a write once only bit. Once the software does a write access to this bit, it will get
+ *locked and cannot be reprogrammed until the next system reset assertion
+ *
+ * @param base WDOG peripheral base address
+ * @param mask The interrupts to enable
+ * The parameter can be combination of the following source if defined.
+ * @arg kWDOG_InterruptEnable
+ */
+static inline void WDOG_EnableInterrupts(WDOG_Type *base, uint16_t mask)
+{
+    base->WICR |= mask;
+}
+
+/*!
+ * @brief Gets the WDOG all reset status flags.
+ *
+ * This function gets all reset status flags.
+ *
+ * @code
+ * uint16_t status;
+ * status = WDOG_GetStatusFlags (wdog_base);
+ * @endcode
+ * @param base        WDOG peripheral base address
+ * @return            State of the status flag: asserted (true) or not-asserted (false).@see _wdog_status_flags
+ *                    - true: a related status flag has been set.
+ *                    - false: a related status flag is not set.
+ */
+uint16_t WDOG_GetStatusFlags(WDOG_Type *base);
+
+/*!
+ * @brief Clears the WDOG flag.
+ *
+ * This function clears the WDOG status flag.
+ *
+ * This is an example for clearing the interrupt flag.
+ * @code
+ *   WDOG_ClearStatusFlags(wdog_base,KWDOG_InterruptFlag);
+ * @endcode
+ * @param base        WDOG peripheral base address
+ * @param mask        The status flags to clear.
+ *                    The parameter could be any combination of the following values.
+ *                    kWDOG_TimeoutFlag
+ */
+void WDOG_ClearInterruptStatus(WDOG_Type *base, uint16_t mask);
+
+/*!
+ * @brief Sets the WDOG timeout value.
+ *
+ * This function sets the timeout value.
+ * This function writes a value into WCR registers.
+ * The time-out value can be written at any point of time but it is loaded to the counter at the time
+ * when WDOG is enabled or after the service routine has been performed.
+ *
+ * @param base WDOG peripheral base address
+ * @param timeoutCount WDOG timeout value; count of WDOG clock tick.
+ */
+static inline void WDOG_SetTimeoutValue(WDOG_Type *base, uint16_t timeoutCount)
+{
+    base->WCR = (base->WCR & ~WDOG_WCR_WT_MASK) | WDOG_WCR_WT(timeoutCount);
+}
+
+/*!
+ * @brief Sets the WDOG interrupt count timeout value.
+ *
+ * This function sets the interrupt count timeout value.
+ * This function writes a value into WIC registers which are wirte-once.
+ * This field is write once only. Once the software does a write access to this field, it will get locked
+ * and cannot be reprogrammed until the next system reset assertion.
+ * @param base WDOG peripheral base address
+ * @param timeoutCount WDOG timeout value; count of WDOG clock tick.
+ */
+static inline void WDOG_SetInterrputTimeoutValue(WDOG_Type *base, uint16_t timeoutCount)
+{
+    base->WICR = (base->WICR & ~WDOG_WICR_WICT_MASK) | WDOG_WICR_WICT(timeoutCount);
+}
+
+/*!
+ * @brief Disable the WDOG power down enable bit.
+ *
+ * This function disable the WDOG power down enable(PDE).
+ * This function writes a value into WMCR registers which are wirte-once.
+ * This field is write once only. Once software sets this bit it cannot be reset until the next system reset.
+ * @param base WDOG peripheral base address
+ */
+static inline void WDOG_DisablePowerDownEnable(WDOG_Type *base)
+{
+    base->WMCR &= ~WDOG_WMCR_PDE_MASK;
+}
+
+/*!
+ * @brief Refreshes the WDOG timer.
+ *
+ * This function feeds the WDOG.
+ * This function should be called before the WDOG timer is in timeout. Otherwise, a reset is asserted.
+ *
+ * @param base WDOG peripheral base address
+ */
+void WDOG_Refresh(WDOG_Type *base);
+/*@}*/
+
+#if defined(__cplusplus)
+}
+#endif /* __cplusplus */
+
+/*! @}*/
+
+#endif /* _FSL_WDOG_H_ */
diff --git a/Ubiquitous/XiZi/board/xidatong/third_party_driver/wdt/Kconfig b/Ubiquitous/XiZi/board/xidatong/third_party_driver/wdt/Kconfig
new file mode 100644
index 000000000..f981c05cd
--- /dev/null
+++ b/Ubiquitous/XiZi/board/xidatong/third_party_driver/wdt/Kconfig
@@ -0,0 +1,13 @@
+if BSP_USING_WDT
+    config WDT_BUS_NAME
+        string "watchdog bus name"
+        default "wdt"
+
+    config WDT_DRIVER_NAME
+        string "watchdog driver name"
+        default "wdt_drv"
+
+    config WDT_DEVICE_NAME
+        string "watchdog device name"
+        default "wdt_dev"
+endif
diff --git a/Ubiquitous/XiZi/board/xidatong/third_party_driver/wdt/Makefile b/Ubiquitous/XiZi/board/xidatong/third_party_driver/wdt/Makefile
new file mode 100644
index 000000000..24c1c1efb
--- /dev/null
+++ b/Ubiquitous/XiZi/board/xidatong/third_party_driver/wdt/Makefile
@@ -0,0 +1,3 @@
+SRC_FILES := connect_wdt.c fsl_wdog.c 
+
+include $(KERNEL_ROOT)/compiler.mk
diff --git a/Ubiquitous/XiZi/board/xidatong/third_party_driver/wdt/connect_wdt.c b/Ubiquitous/XiZi/board/xidatong/third_party_driver/wdt/connect_wdt.c
new file mode 100644
index 000000000..e8638a972
--- /dev/null
+++ b/Ubiquitous/XiZi/board/xidatong/third_party_driver/wdt/connect_wdt.c
@@ -0,0 +1,182 @@
+/*
+* Copyright (c) 2020 AIIT XUOS Lab
+* XiUOS 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 connect_wdt.c
+* @brief support imxrt1052-board watchdog(WDG1) function and register to bus framework
+* @version 2.0 
+* @author AIIT XUOS Lab
+* @date 2022-05-06
+*/
+
+#include <connect_wdt.h>
+#include <fsl_wdog.h>
+
+static BusType wdt;
+static wdog_config_t wdog_config_t_param;
+
+void WDOG1_IRQHandler(void)
+{
+    WDOG_ClearInterruptStatus(WDOG1, kWDOG_InterruptFlag);
+    /* User code. User can do urgent case before timeout reset.
+     * IE. user can backup the ram data or ram log to flash.
+     * the period is set by config.interruptTimeValue, user need to
+     * check the period between interrupt and timeout.
+     */
+}
+
+static uint32 Imxrt1052WdgOpen(void *dev)
+{
+    return EOK;
+}
+
+static uint32 Imxrt1052WdgClose(void *dev)
+{
+    WDOG_Deinit(WDOG1);
+
+    return EOK;
+}
+
+static int Imxrt1052WdgInit(struct WdtHardwareDevice *dev, uint16_t timeout)
+{
+    /*
+        * wdogConfig->enableWdog = true;
+        * wdogConfig->workMode.enableWait = true;
+        * wdogConfig->workMode.enableStop = false;
+        * wdogConfig->workMode.enableDebug = false;
+        * wdogConfig->enableInterrupt = false;
+        * wdogConfig->enablePowerdown = false;
+        * wdogConfig->resetExtension = flase;
+        * wdogConfig->timeoutValue = 0xFFU;
+        * wdogConfig->interruptTimeValue = 0x04u;
+        */
+        WDOG_GetDefaultConfig(&wdog_config_t_param);
+        wdog_config_t_param.timeoutValue = timeout; /* Timeout value is 1 sec / 6.4 num, 5s means 32. */
+        WDOG_Init(WDOG1, &wdog_config_t_param);
+
+    return EOK;
+}
+
+static uint32 Imxrt1052WdgConfigure(void *drv, struct BusConfigureInfo *args)
+{
+    struct WdtDriver *wdt_drv = (struct WdtDriver *)drv;
+    struct WdtHardwareDevice *wdt_dev = (struct WdtHardwareDevice *)wdt_drv->driver.owner_bus->owner_haldev;
+    
+    uint16_t timeout;
+    
+    switch(args->configure_cmd)
+    {
+        case OPER_WDT_SET_TIMEOUT:
+            timeout = *(uint16_t *)(args->private_data);
+            if (timeout) {
+                Imxrt1052WdgInit(wdt_dev, timeout);
+            }
+            break;
+        case OPER_WDT_KEEPALIVE:
+            WDOG_Refresh(WDOG1);
+            break;
+        default:
+            return ERROR;
+    }
+    return EOK;
+}
+
+static const struct WdtDevDone dev_done =
+{
+    Imxrt1052WdgOpen,
+    Imxrt1052WdgClose,
+    NONE,
+    NONE,
+};
+
+/**
+ * @description: Feed watchdog task function
+ */
+static void FeedWatchdogTask(void)
+{
+    while (1)
+    {
+        /* keep watchdog alive in idle task */
+        struct BusConfigureInfo cfg;
+        cfg.configure_cmd = OPER_WDT_KEEPALIVE;
+        cfg.private_data = NONE;
+        BusDrvConfigure(wdt->owner_driver, &cfg);
+        MdelayKTask(500);
+    }
+}
+
+/**
+ * @description: Watchdog function
+ * @return success: EOK, failure: other
+ */
+int StartWatchdog(void)
+{
+    int ret = EOK;
+    uint16_t timeout = 32;    /* timeout time 5s*/
+
+    wdt = BusFind(WDT_BUS_NAME);
+    wdt->owner_driver = BusFindDriver(wdt, WDT_DRIVER_NAME);
+
+    /* set watchdog timeout time */
+    struct BusConfigureInfo cfg;
+    cfg.configure_cmd = OPER_WDT_SET_TIMEOUT;
+    cfg.private_data = &timeout;
+    ret = BusDrvConfigure(wdt->owner_driver, &cfg);
+    
+    int32 WdtTask = KTaskCreate("WdtTask", (void *)FeedWatchdogTask, NONE, 1024, 20); 
+	StartupKTask(WdtTask);
+
+    return EOK;
+}
+
+int Imxrt1052HwWdgInit(void)
+{
+    x_err_t ret = EOK;
+
+    static struct WdtBus watch_dog_timer_bus;
+    static struct WdtDriver watch_dog_timer_drv;
+    static struct WdtHardwareDevice watch_dog_timer_dev;
+
+    ret = WdtBusInit(&watch_dog_timer_bus, WDT_BUS_NAME);
+    if (ret != EOK) {
+        KPrintf("Watchdog bus init error %d\n", ret);
+        return ERROR;
+    }
+
+    watch_dog_timer_drv.configure = Imxrt1052WdgConfigure;
+    ret = WdtDriverInit(&watch_dog_timer_drv, WDT_DRIVER_NAME);
+    if (ret != EOK) {
+        KPrintf("Watchdog driver init error %d\n", ret);
+        return ERROR;
+    }
+
+    ret = WdtDriverAttachToBus(WDT_DRIVER_NAME, WDT_BUS_NAME);
+    if (ret != EOK) {
+        KPrintf("Watchdog driver attach error %d\n", ret);
+        return ERROR;
+    }
+
+    watch_dog_timer_dev.dev_done = &dev_done;
+
+    ret = WdtDeviceRegister(&watch_dog_timer_dev, WDT_DEVICE_NAME);
+    if (ret != EOK) {
+        KPrintf("Watchdog device register error %d\n", ret);
+        return ERROR;
+    }
+    ret = WdtDeviceAttachToBus(WDT_DEVICE_NAME, WDT_BUS_NAME);
+    if (ret != EOK) {
+        KPrintf("Watchdog device register error %d\n", ret);
+        return ERROR;
+    }
+
+    return ret;
+}
diff --git a/Ubiquitous/XiZi/board/xidatong/third_party_driver/wdt/fsl_wdog.c b/Ubiquitous/XiZi/board/xidatong/third_party_driver/wdt/fsl_wdog.c
new file mode 100644
index 000000000..9a3c7fc10
--- /dev/null
+++ b/Ubiquitous/XiZi/board/xidatong/third_party_driver/wdt/fsl_wdog.c
@@ -0,0 +1,206 @@
+/*
+ * Copyright (c) 2016, Freescale Semiconductor, Inc.
+ * Copyright 2016-2018 NXP
+ * All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include "fsl_wdog.h"
+
+/* Component ID definition, used by tools. */
+#ifndef FSL_COMPONENT_ID
+#define FSL_COMPONENT_ID "platform.drivers.wdog01"
+#endif
+
+/*******************************************************************************
+ * Variables
+ ******************************************************************************/
+static WDOG_Type *const s_wdogBases[] = WDOG_BASE_PTRS;
+#if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL)
+/* Array of WDOG clock name. */
+static const clock_ip_name_t s_wdogClock[] = WDOG_CLOCKS;
+#endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */
+
+static const IRQn_Type s_wdogIRQ[] = WDOG_IRQS;
+
+/*******************************************************************************
+ * Code
+ ******************************************************************************/
+static uint32_t WDOG_GetInstance(WDOG_Type *base)
+{
+    uint32_t instance;
+
+    /* Find the instance index from base address mappings. */
+    for (instance = 0; instance < ARRAY_SIZE(s_wdogBases); instance++)
+    {
+        if (s_wdogBases[instance] == base)
+        {
+            break;
+        }
+    }
+
+    assert(instance < ARRAY_SIZE(s_wdogBases));
+
+    return instance;
+}
+
+/*!
+ * brief Initializes the WDOG configuration structure.
+ *
+ * This function initializes the WDOG configuration structure to default values. The default
+ * values are as follows.
+ * code
+ *   wdogConfig->enableWdog = true;
+ *   wdogConfig->workMode.enableWait = true;
+ *   wdogConfig->workMode.enableStop = false;
+ *   wdogConfig->workMode.enableDebug = false;
+ *   wdogConfig->enableInterrupt = false;
+ *   wdogConfig->enablePowerdown = false;
+ *   wdogConfig->resetExtension = flase;
+ *   wdogConfig->timeoutValue = 0xFFU;
+ *   wdogConfig->interruptTimeValue = 0x04u;
+ * endcode
+ *
+ * param config Pointer to the WDOG configuration structure.
+ * see wdog_config_t
+ */
+void WDOG_GetDefaultConfig(wdog_config_t *config)
+{
+    assert(config);
+
+    /* Initializes the configure structure to zero. */
+    memset(config, 0, sizeof(*config));
+
+    config->enableWdog             = true;
+    config->workMode.enableWait    = false;
+    config->workMode.enableStop    = false;
+    config->workMode.enableDebug   = false;
+    config->enableInterrupt        = false;
+    config->softwareResetExtension = false;
+    config->enablePowerDown        = false;
+    config->timeoutValue           = 0xffu;
+    config->interruptTimeValue     = 0x04u;
+    config->enableTimeOutAssert    = false;
+}
+
+/*!
+ * brief Initializes the WDOG.
+ *
+ * This function initializes the WDOG. When called, the WDOG runs according to the configuration.
+ *
+ * This is an example.
+ * code
+ *   wdog_config_t config;
+ *   WDOG_GetDefaultConfig(&config);
+ *   config.timeoutValue = 0xffU;
+ *   config->interruptTimeValue = 0x04u;
+ *   WDOG_Init(wdog_base,&config);
+ * endcode
+ *
+ * param base   WDOG peripheral base address
+ * param config The configuration of WDOG
+ */
+void WDOG_Init(WDOG_Type *base, const wdog_config_t *config)
+{
+    assert(config);
+
+    uint16_t value = 0u;
+
+    value = WDOG_WCR_WDE(config->enableWdog) | WDOG_WCR_WDW(config->workMode.enableWait) |
+            WDOG_WCR_WDZST(config->workMode.enableStop) | WDOG_WCR_WDBG(config->workMode.enableDebug) |
+            WDOG_WCR_SRE(config->softwareResetExtension) | WDOG_WCR_WT(config->timeoutValue) |
+            WDOG_WCR_WDT(config->enableTimeOutAssert) | WDOG_WCR_SRS_MASK | WDOG_WCR_WDA_MASK;
+
+#if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL)
+    /* Set configuration */
+    CLOCK_EnableClock(s_wdogClock[WDOG_GetInstance(base)]);
+#endif
+
+    base->WICR = WDOG_WICR_WICT(config->interruptTimeValue) | WDOG_WICR_WIE(config->enableInterrupt);
+    base->WMCR = WDOG_WMCR_PDE(config->enablePowerDown);
+    base->WCR  = value;
+    if (config->enableInterrupt)
+    {
+        EnableIRQ(s_wdogIRQ[WDOG_GetInstance(base)]);
+    }
+}
+
+/*!
+ * brief Shuts down the WDOG.
+ *
+ * This function shuts down the WDOG.
+ * Watchdog Enable bit is a write one once only bit. It is not
+ * possible to clear this bit by a software write, once the bit is set.
+ * This bit(WDE) can be set/reset only in debug mode(exception).
+ */
+void WDOG_Deinit(WDOG_Type *base)
+{
+    if (base->WCR & WDOG_WCR_WDBG_MASK)
+    {
+        WDOG_Disable(base);
+    }
+}
+
+/*!
+ * brief Gets the WDOG all reset status flags.
+ *
+ * This function gets all reset status flags.
+ *
+ * code
+ * uint16_t status;
+ * status = WDOG_GetStatusFlags (wdog_base);
+ * endcode
+ * param base        WDOG peripheral base address
+ * return            State of the status flag: asserted (true) or not-asserted (false).see _wdog_status_flags
+ *                    - true: a related status flag has been set.
+ *                    - false: a related status flag is not set.
+ */
+uint16_t WDOG_GetStatusFlags(WDOG_Type *base)
+{
+    uint16_t status_flag = 0U;
+
+    status_flag |= (base->WCR & WDOG_WCR_WDE_MASK);
+    status_flag |= (base->WRSR & WDOG_WRSR_POR_MASK);
+    status_flag |= (base->WRSR & WDOG_WRSR_TOUT_MASK);
+    status_flag |= (base->WRSR & WDOG_WRSR_SFTW_MASK);
+    status_flag |= (base->WICR & WDOG_WICR_WTIS_MASK);
+
+    return status_flag;
+}
+
+/*!
+ * brief Clears the WDOG flag.
+ *
+ * This function clears the WDOG status flag.
+ *
+ * This is an example for clearing the interrupt flag.
+ * code
+ *   WDOG_ClearStatusFlags(wdog_base,KWDOG_InterruptFlag);
+ * endcode
+ * param base        WDOG peripheral base address
+ * param mask        The status flags to clear.
+ *                    The parameter could be any combination of the following values.
+ *                    kWDOG_TimeoutFlag
+ */
+void WDOG_ClearInterruptStatus(WDOG_Type *base, uint16_t mask)
+{
+    if (mask & kWDOG_InterruptFlag)
+    {
+        base->WICR |= WDOG_WICR_WTIS_MASK;
+    }
+}
+
+/*!
+ * brief Refreshes the WDOG timer.
+ *
+ * This function feeds the WDOG.
+ * This function should be called before the WDOG timer is in timeout. Otherwise, a reset is asserted.
+ *
+ * param base WDOG peripheral base address
+ */
+void WDOG_Refresh(WDOG_Type *base)
+{
+    base->WSR = WDOG_REFRESH_KEY & 0xFFFFU;
+    base->WSR = (WDOG_REFRESH_KEY >> 16U) & 0xFFFFU;
+}
diff --git a/Ubiquitous/XiZi/kernel/kernel_test/test_iwg.c b/Ubiquitous/XiZi/kernel/kernel_test/test_iwg.c
index e9121bb0e..ebd52cf6e 100644
--- a/Ubiquitous/XiZi/kernel/kernel_test/test_iwg.c
+++ b/Ubiquitous/XiZi/kernel/kernel_test/test_iwg.c
@@ -28,14 +28,17 @@ static BusType wdt;
  */
 static void FeedWatchdog(void)
 {
-    while (1)
+    int cnt = 0;
+    while (cnt < 20)
     {
         /* keep watchdog alive in idle task */
         struct BusConfigureInfo cfg;
         cfg.configure_cmd = OPER_WDT_KEEPALIVE;
         cfg.private_data = NONE;
         BusDrvConfigure(wdt->owner_driver, &cfg);
-        KPrintf("feed the dog!\n ");
+        KPrintf("feed the dog! cnt %u\n", cnt);
+        cnt++;
+        MdelayKTask(1000);
     }
 }
 
@@ -46,18 +49,17 @@ static void FeedWatchdog(void)
 int TestIwg(void)
 {
     x_err_t res = EOK;
-    uint32 timeout = 1000;    /* timeout time */
+    uint16 timeout = 1000;    /* timeout time */
 
-    wdt = BusFind(WDT_BUS_NAME_0);
-    wdt->owner_driver = BusFindDriver(wdt, WDT_DRIVER_NAME_0);
-    wdt->owner_haldev = BusFindDevice(wdt, WDT_0_DEVICE_NAME_0);
+    wdt = BusFind(WDT_BUS_NAME);
+    wdt->owner_driver = BusFindDriver(wdt, WDT_DRIVER_NAME);
+    wdt->owner_haldev = BusFindDevice(wdt, WDT_DEVICE_NAME);
 
     /* set watchdog timeout time */
     struct BusConfigureInfo cfg;
     cfg.configure_cmd = OPER_WDT_SET_TIMEOUT;
     cfg.private_data = &timeout;
     res = BusDrvConfigure(wdt->owner_driver, &cfg);
-    KPrintf("feed the dog!\n");
     
     int32 WdtTask = KTaskCreate("WdtTask", (void *)FeedWatchdog, NONE, 2048, 20); 
 	res = StartupKTask(WdtTask);
diff --git a/Ubiquitous/XiZi/kernel/thread/init.c b/Ubiquitous/XiZi/kernel/thread/init.c
index 00e255d26..583f9d7a5 100644
--- a/Ubiquitous/XiZi/kernel/thread/init.c
+++ b/Ubiquitous/XiZi/kernel/thread/init.c
@@ -31,6 +31,10 @@
 #include "connect_usb.h"
 #endif
 
+#ifdef BSP_USING_WDT
+#include "connect_wdt.h"
+#endif
+
 #ifdef KERNEL_USER_MAIN
 #ifndef MAIN_KTASK_STACK_SIZE
 #define MAIN_KTASK_STACK_SIZE     2048
@@ -242,6 +246,10 @@ extern int InitUserspace(void);
 	HwLockSpinlock(&AssignSpinLock);
 #endif
 
+#ifdef BSP_USING_WDT
+    StartWatchdog();
+#endif
+
     StartupOsAssign();
 	
     return 0;
diff --git a/Ubiquitous/XiZi/resources/include/bus.h b/Ubiquitous/XiZi/resources/include/bus.h
index 967d3a519..b9d0f4ad7 100644
--- a/Ubiquitous/XiZi/resources/include/bus.h
+++ b/Ubiquitous/XiZi/resources/include/bus.h
@@ -27,11 +27,11 @@
 extern "C" {
 #endif
 
-#define OPE_INT                  0x0000
+#define OPE_INT                 0x0000
 #define OPE_CFG                 0x0001
 
 #define OPER_WDT_SET_TIMEOUT    0x0002
-#define OPER_WDT_KEEPALIVE           0x0003
+#define OPER_WDT_KEEPALIVE      0x0003
 
 typedef struct Bus *BusType;
 typedef struct HardwareDev *HardwareDevType;