diff --git a/.config b/.config
index 0151b3a..48d314d 100644
--- a/.config
+++ b/.config
@@ -81,7 +81,7 @@ CONFIG_RT_USING_DEVICE=y
 # CONFIG_RT_USING_INTERRUPT_INFO is not set
 CONFIG_RT_USING_CONSOLE=y
 CONFIG_RT_CONSOLEBUF_SIZE=256
-CONFIG_RT_CONSOLE_DEVICE_NAME="uart3"
+CONFIG_RT_CONSOLE_DEVICE_NAME="uart1"
 # end of Kernel Device Object
 
 CONFIG_RT_VER_NUM=0x40101
@@ -695,7 +695,25 @@ CONFIG_PKG_CMBACKTRACE_VER_NUM=0x10401
 # CONFIG_PKG_USING_THREAD_POOL is not set
 # CONFIG_PKG_USING_ROBOTS is not set
 # CONFIG_PKG_USING_EV is not set
-# CONFIG_PKG_USING_SYSWATCH is not set
+CONFIG_PKG_USING_SYSWATCH=y
+CONFIG_PKG_SYSWATCH_PATH="/packages/system/syswatch"
+# CONFIG_SYSWATCH_USING_TEST is not set
+# CONFIG_SYSWATCH_EXCEPT_RESOLVE_MODE_0 is not set
+# CONFIG_SYSWATCH_EXCEPT_RESOLVE_MODE_1 is not set
+CONFIG_SYSWATCH_EXCEPT_RESOLVE_MODE_2=y
+CONFIG_SYSWATCH_EXCEPT_RESOLVE_MODE=2
+CONFIG_SYSWATCH_EXCEPT_TIMEOUT=60
+CONFIG_SYSWATCH_EXCEPT_CONFIRM_TMO=15
+CONFIG_SYSWATCH_EXCEPT_RESUME_DLY=15
+CONFIG_SYSWATCH_THREAD_PRIO=0
+CONFIG_SYSWATCH_THREAD_STK_SIZE=512
+CONFIG_SYSWATCH_THREAD_NAME="syswatch"
+CONFIG_SYSWATCH_WDT_NAME="wdt"
+CONFIG_SYSWATCH_WDT_TIMEOUT=5
+CONFIG_PKG_USING_SYSWATCH_LATEST_VERSION=y
+# CONFIG_PKG_USING_SYSWATCH_V101 is not set
+# CONFIG_PKG_USING_SYSWATCH_V100 is not set
+CONFIG_PKG_SYSWATCH_VER="latest"
 # CONFIG_PKG_USING_SYS_LOAD_MONITOR is not set
 # CONFIG_PKG_USING_PLCCORE is not set
 # CONFIG_PKG_USING_RAMDISK is not set
diff --git a/applications/_main.c b/applications/_main.c
index 47d5541..b798c02 100644
--- a/applications/_main.c
+++ b/applications/_main.c
@@ -27,7 +27,7 @@ struct rt_event hw_check;//硬件条件
 static int maxTTWaitTime = 4;
 static int maxTTRetryCnt = 3;
 
-static init()
+static initEvent(void)
 {
     /* 事 件 控 制 块 */
 
@@ -37,6 +37,7 @@ static init()
         LOG_E("init event failed.\n");
     }
 }
+INIT_COMPONENT_EXPORT(initEvent);
 
 /**
  * 更新各参数
@@ -46,6 +47,18 @@ static void updatecfg()
     maxTTWaitTime = get_cfg("maxTTWaitTime");
     maxTTRetryCnt = get_cfg("maxTTRetryCnt");
 }
+extern struct rt_event update_cfg;
+void t3(void)
+{
+    int32_t e;
+    int rst = rt_event_recv(&update_cfg, CFGCHANGEED, RT_EVENT_FLAG_OR , RT_WAITING_FOREVER, &e);
+    if (rst == RT_EOK) {
+//        update_cfg();
+        LOG_I("ggxb");
+    }
+}
+
+//INIT_COMPONENT_EXPORT(t3);
 
 /**
  * 监控TT状态。需求条件1：TT连续5个周期为激活状态且信号强度不低于5。
diff --git a/applications/cfg.c b/applications/cfg.c
index 3d80fa5..06b6e47 100644
--- a/applications/cfg.c
+++ b/applications/cfg.c
@@ -57,8 +57,8 @@ int set_cfg(const char *k, const char*v)
         rt_err_t result;
 
 
-//            rt_event_send(&update_cfg, CFGCHANGEED|COMPRESSTYPE);
-//            rt_event_send(&update_cfg, CFGCHANGEED|MAXSIZEPERFILE);
+            rt_event_send(&update_cfg, CFGCHANGEED|COMPRESSTYPE);
+            rt_event_send(&update_cfg, CFGCHANGEED|MAXSIZEPERFILE);
 
     }
     else {
diff --git a/applications/comp.c b/applications/comp.c
index 91bf4d5..4a9d61a 100644
--- a/applications/comp.c
+++ b/applications/comp.c
@@ -36,6 +36,10 @@
 //#include <dfs_posix.h>
 #include <dfs_file.h>
 
+#define LOG_TAG "comc"
+#define LOG_LVL LOG_LVL_DBG
+#include <ulog.h>
+
 #include "fastlz.h"
 
 #define malloc     rt_malloc
@@ -114,6 +118,7 @@ int fastlz_compress_file(const char *fin, const char *fout)
         cmprs_size = fastlz_compress_level(FASTLZ_COMPRESS_LEVEL, buffer, block_size, (char *) cmprs_buffer);
         if (cmprs_size < 0)
         {
+            LOG_E("error.");
             ret = -1;
             goto _exit;            
         }
diff --git a/applications/idle.c b/applications/idle.c
index 4771495..246d33d 100644
--- a/applications/idle.c
+++ b/applications/idle.c
@@ -8,69 +8,37 @@
  * 2023-06-01     murmur       the first version
  */
 /*
-
  * Copyright (c) 2006-2018, RT-Thread Development Team
-
  *
-
  * SPDX-License-Identifier: Apache-2.0
-
  *
-
  * Change Logs:
-
  * Date           Author       Notes
-
  * 2018-08-24     yangjie      the first version
-
  */
 
-
-
 /*
-
  * 程序清单：空闲任务钩子例程
-
  *
-
  * 这个例程创建一个线程，通过延时进入空闲任务钩子，用于打印进入空闲钩子的次数
-
  */
 
-
-
 #include <rtthread.h>
 #include <rtdevice.h>
 #include <rthw.h>
 
-
-
 #define THREAD_PRIORITY      20
-
 #define THREAD_STACK_SIZE    1024
-
 #define THREAD_TIMESLICE     5
 
-
-
 /* 指向线程控制块的指针 */
-
 static rt_thread_t tid = RT_NULL;
 
-
-
 /* 空闲函数钩子函数执行次数 */
-
 volatile static int hook_times = 0;
-int t=0;
-extern  rt_device_t wdg_dev;         /* 看门狗设备句柄 */
-
 /* 空闲任务钩子函数 */
-
 static void idle_hook()
-
 {
-
 //    if (0 == (hook_times % 10000))
 //
 //    {
@@ -78,32 +46,21 @@ static void idle_hook()
 //        rt_kprintf("enter idle hook %d times.\n", hook_times);
 //
 //    }
-    rt_thread_mdelay(1000);
-    rt_device_control(wdg_dev, RT_DEVICE_CTRL_WDT_GET_TIMEOUT, &t);
-    rt_kprintf("---%d\n", t);
-
+//    rt_thread_mdelay(1000);
 //    rt_enter_critical();
 //
 //    hook_times++;
 //
 //    rt_exit_critical();
-
 }
 
-
-
 /* 线程入口 */
-
 static void thread_entry(void *parameter)
-
 {
-
     int i = 5;
-
-//    while (1)
+    while (i--)
 //
-//    {
-
+    {
 //        rt_kprintf("enter thread1.\n");
 //
 //        rt_enter_critical();
@@ -112,63 +69,34 @@ static void thread_entry(void *parameter)
 //
 //        rt_exit_critical();
 
-
-
         /* 休眠500ms */
-
 //        rt_kprintf("thread1 delay 50 OS Tick.\n", hook_times);
 //
-//        rt_thread_mdelay(500);
+        rt_thread_mdelay(500);
 //
-//    }
-
+    }
 //    rt_kprintf("delete idle hook.\n");
 
-
-
     /* 删除空闲钩子函数 */
-
-//    rt_thread_idle_delhook(idle_hook);
-
-//    rt_kprintf("thread1 finish.\n");
-
+    rt_thread_idle_delhook(idle_hook);
+    rt_kprintf("thread1 finish.\n");
 }
 
-
-
 int idle_hook_sample(void)
-
 {
-
     /* 设置空闲线程钩子 */
-
     rt_thread_idle_sethook(idle_hook);
 
-
-
     /* 创建线程 */
-
     tid = rt_thread_create("thread1",
-
                            thread_entry, RT_NULL,
-
                            THREAD_STACK_SIZE,
-
                            THREAD_PRIORITY, THREAD_TIMESLICE);
-
     if (tid != RT_NULL)
-
         rt_thread_startup(tid);
 
-
-
     return 0;
-
 }
 
-
-
 /* 导出到 msh 命令列表中 */
-
 MSH_CMD_EXPORT(idle_hook_sample, idle hook sample);
-
diff --git a/applications/main.c b/applications/main.c
index d28ca7c..cca3d79 100644
--- a/applications/main.c
+++ b/applications/main.c
@@ -45,7 +45,7 @@ void pfdemo(void)
 }
 
 
-extern rt_device_t wdg_dev;
+
 int main(void)
 {
 
diff --git a/applications/uart_dma_sample.c b/applications/uart_dma_sample.c
index 760715f..4553998 100644
--- a/applications/uart_dma_sample.c
+++ b/applications/uart_dma_sample.c
@@ -62,27 +62,21 @@ static void serial_thread_entry(void *parameter)
     rt_uint32_t rx_length;
     static char rx_buffer[RT_SERIAL_RB_BUFSZ + 1];
 //    extern struct rt_messagequeue update_cfg;
-//    extern struct rt_event update_cfg;
+    extern struct rt_event update_cfg;
 //            CFG_MSG cfg;
     while (1)
     {
 //        rt_memset(&cfg, 0, sizeof(cfg));
         rt_memset(&msg, 0, sizeof(msg));
         /* 从消息队列中读取消息*/
-//        rt_err_t result = rt_mq_recv(&update_cfg, &cfg, sizeof(cfg), RT_WAITING_NO);
-//
-//        if (result == RT_EOK)
-//                {
-//                    LOG_I("updatecfg:%10s -->%s", cfg.key, cfg.value);
-//                }
 
-//        rt_uint32_t e;
-//                rt_err_t result = rt_event_recv(&update_cfg, CFGCHANGEED|MAXSIZEPERFILE, RT_EVENT_FLAG_OR|RT_EVENT_FLAG_CLEAR, RT_WAITING_NO, &e);
-//                if (result == RT_EOK)
-//                        {
-//                            LOG_I("updatecfg");
-//                        }
-        result = rt_mq_recv(&rx_mq, &msg, sizeof(msg), RT_WAITING_FOREVER);
+        rt_uint32_t e;
+                rt_err_t result = rt_event_recv(&update_cfg, CFGCHANGEED|MAXSIZEPERFILE, RT_EVENT_FLAG_OR|RT_EVENT_FLAG_CLEAR, RT_WAITING_NO, &e);
+                if (result == RT_EOK)
+                        {
+                            LOG_I("updatecfg");
+                        }
+        result = rt_mq_recv(&rx_mq, &msg, sizeof(msg), RT_WAITING_NO);
         if (result == RT_EOK)
         {
             /* 从串口读取数据*/
@@ -109,7 +103,7 @@ static void serial_thread_entry(void *parameter)
             rt_kprintf("%s\n",rx_buffer);
         }
         else {
-            LOG_D("no data reced.");
+//            LOG_D("no data reced.");
         }
         rt_thread_mdelay(100);
 
@@ -155,7 +149,7 @@ static int uart_dma_sample(int argc, char *argv[])
     rt_device_write(serial, 0, str, (sizeof(str) - 1));
 
     /* 创建 serial 线程 */
-    rt_thread_t thread = rt_thread_create("serial", serial_thread_entry, RT_NULL, 1024*10, 25+1, 10);
+    rt_thread_t thread = rt_thread_create("serial", serial_thread_entry, RT_NULL, 1024*1, 25+1, 10);
     /* 创建成功则启动线程 */
     if (thread != RT_NULL)
     {
diff --git a/applications/usrcfg.h b/applications/usrcfg.h
index 89533f6..1b280e7 100644
--- a/applications/usrcfg.h
+++ b/applications/usrcfg.h
@@ -10,6 +10,8 @@
 #ifndef APPLICATIONS_USRCFG_H_
 #define APPLICATIONS_USRCFG_H_
 
+
+#define WORK_BOARD
 #define FILE_IS_OK 1
 #define TIMER_IS_OUT 1<<1
 #define TT_IS_OK 1<<2
diff --git a/drivers/board.h b/drivers/board.h
index 3c5bd84..361236c 100644
--- a/drivers/board.h
+++ b/drivers/board.h
@@ -13,7 +13,7 @@
 
 #include <stm32f4xx.h>
 #include <drv_common.h>
-
+#include <usrcfg.h>
 
 #ifdef __cplusplus
 extern "C"
diff --git a/packages/pkgs.json b/packages/pkgs.json
index 119404c..07a4868 100644
--- a/packages/pkgs.json
+++ b/packages/pkgs.json
@@ -14,6 +14,11 @@
   "ver": "v1.4.1", 
   "name": "CMBACKTRACE"
  }, 
+ {
+  "path": "/packages/system/syswatch", 
+  "ver": "latest", 
+  "name": "SYSWATCH"
+ }, 
  {
   "path": "/packages/system/minIni", 
   "ver": "v1.2.0", 
diff --git a/rtconfig.h b/rtconfig.h
index a4b4e94..3f086b0 100644
--- a/rtconfig.h
+++ b/rtconfig.h
@@ -15,7 +15,7 @@
 #define RT_HOOK_USING_FUNC_PTR
 #define RT_USING_IDLE_HOOK
 #define RT_IDLE_HOOK_LIST_SIZE 4
-#define IDLE_THREAD_STACK_SIZE 256*4
+#define IDLE_THREAD_STACK_SIZE 256
 #define RT_USING_TIMER_SOFT
 #define RT_TIMER_THREAD_PRIO 4
 #define RT_TIMER_THREAD_STACK_SIZE 512
@@ -62,7 +62,7 @@
 
 #define RT_USING_COMPONENTS_INIT
 #define RT_USING_USER_MAIN
-#define RT_MAIN_THREAD_STACK_SIZE 2048
+#define RT_MAIN_THREAD_STACK_SIZE 2048*2
 #define RT_MAIN_THREAD_PRIORITY 10
 #define RT_USING_MSH
 #define RT_USING_FINSH
@@ -294,6 +294,18 @@
 /* Micrium: Micrium software products porting for RT-Thread */
 
 /* end of Micrium: Micrium software products porting for RT-Thread */
+#define PKG_USING_SYSWATCH
+#define SYSWATCH_EXCEPT_RESOLVE_MODE_2
+#define SYSWATCH_EXCEPT_RESOLVE_MODE 2
+#define SYSWATCH_EXCEPT_TIMEOUT 60
+#define SYSWATCH_EXCEPT_CONFIRM_TMO 15
+#define SYSWATCH_EXCEPT_RESUME_DLY 15
+#define SYSWATCH_THREAD_PRIO 0
+#define SYSWATCH_THREAD_STK_SIZE 512*2
+#define SYSWATCH_THREAD_NAME "syswatch"
+#define SYSWATCH_WDT_NAME "wdt"
+#define SYSWATCH_WDT_TIMEOUT 5
+#define PKG_USING_SYSWATCH_LATEST_VERSION
 #define PKG_USING_MININI
 #define PKG_USING_MININI_V120
 /* end of system packages */
@@ -370,7 +382,7 @@
 /* end of RT-Thread online packages */
 
 /* samples: kernel and components samples */
-#define WORK_BOARD
+
 /* end of samples: kernel and components samples */
 #define RT_STUDIO_BUILT_IN