diff --git a/.vscode/settings.json b/.vscode/settings.json
index d13aefa..d614fa7 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -93,7 +93,8 @@
         "heart_wave_sample_service.h": "c",
         "device_info_mgr.h": "c",
         "znordic_device_info_mgr.h": "c",
-        "device_state.h": "c"
+        "device_state.h": "c",
+        "app_event.h": "c"
     },
     "files.encoding": "gbk"
 }
\ No newline at end of file
diff --git a/app/app.uvprojx b/app/app.uvprojx
index dbb6b38..21f9601 100644
--- a/app/app.uvprojx
+++ b/app/app.uvprojx
@@ -313,7 +313,7 @@
           </ArmAdsMisc>
           <Cads>
             <interw>1</interw>
-            <Optim>4</Optim>
+            <Optim>1</Optim>
             <oTime>0</oTime>
             <SplitLS>0</SplitLS>
             <OneElfS>1</OneElfS>
diff --git a/app/config/sdk_config.h b/app/config/sdk_config.h
index 3cbeadf..578bc9e 100644
--- a/app/config/sdk_config.h
+++ b/app/config/sdk_config.h
@@ -11963,7 +11963,7 @@
 // <2=> NRF_SDH_DISPATCH_MODEL_POLLING 
 
 #ifndef NRF_SDH_DISPATCH_MODEL
-#define NRF_SDH_DISPATCH_MODEL 1
+#define NRF_SDH_DISPATCH_MODEL 0
 #endif
 
 // </h> 
diff --git a/app/main.c b/app/main.c
index dafb9a3..fa049a6 100644
--- a/app/main.c
+++ b/app/main.c
@@ -20,9 +20,124 @@
 #include "nrf_uarte.h"
 #endif
 
-#if 1
+#if 0
 int main() {
   one_conduction_main();
   return 0;
 }
+#else
+#include "nrfx_timer.h"
+
+ZDATACHANNEL_DEF(m_zhrs, 2 /*优先级*/, 1 /*client num*/);   // 蓝牙服务
+static const nrfx_timer_t m_timer = NRFX_TIMER_INSTANCE(1); /**< Timer used for channel sweeps and tx with duty cycle. */
+
+static void zdatachannel_data_handler(zdatachannel_evt_t* p_evt) {
+  /**
+   * @brief
+   */
+  if (p_evt->type == ZDATACHANNEL_EVT_RX_DATA) {
+  }
+}
+
+static void on_service_init(void) {
+  ZLOGI("init zdatachannel service");
+  zdatachannel_init_t zdatachannle_init;
+  memset(&zdatachannle_init, 0, sizeof(zdatachannle_init));
+  zdatachannle_init.data_handler = zdatachannel_data_handler;
+  ZERROR_CHECK(zdatachannel_init(&m_zhrs, &zdatachannle_init));
+}
+
+uint16_t adc_val_cache[5] = {0};
+int      adc_val_index    = 0;
+
+void sendpacket_to_pc() {
+  uint8_t data[255];
+  // adc_val_cache[0] = 1;
+  // adc_val_cache[1] = 2;
+  // adc_val_cache[2] = 3;
+  // adc_val_cache[3] = 4;
+  // adc_val_cache[4] = 5;
+
+  for (int i = 0; i < adc_val_index; i++) {
+    data[i * 6 + 0] = 0xA2;
+    data[i * 6 + 1] = 0x2;
+    data[i * 6 + 2] = adc_val_cache[i] & 0xff;
+    data[i * 6 + 3] = adc_val_cache[i] >> 8 & 0xff;
+    data[i * 6 + 4] = 0x2;
+    data[i * 6 + 5] = 0xA2;
+  }
+  zdatachannel_data_send2(data, 6 * adc_val_index);
+}
+
+static void nrfx_timer_event_handler(nrf_timer_event_t event_type, void* p_context) {  //
+  uint16_t val = SingleLeadECG_ecg_plod_get_ecg_val();                                 // 12bit
+  /*******************************************************************************
+   *                             显示数据计算并赋值                              *
+   *******************************************************************************/
+  adc_val_cache[adc_val_index] = val;
+  adc_val_index++;
+  if (adc_val_index >= 5) {
+    if (zdatachannel_is_connected()) {
+      sendpacket_to_pc();
+    } else {
+    }
+    adc_val_index = 0;
+  }
+
+  static int  cnt;
+  static bool state;
+  cnt++;
+  if (zdatachannel_is_connected()) {
+    SingleLeadECG_led_green_set_state(1);
+  } else {
+    if (cnt % 500 == 0) {
+      SingleLeadECG_led_green_set_state(state);
+      state = !state;
+    }
+  }
+}
+int main() {  //
+  APP_SCHED_INIT(APP_TIMER_SCHED_EVENT_DATA_SIZE, 20);
+
+  znordic_init();
+  NRF_LOG_INFO("compile time :%s", __TIME__);
+
+  ztm_t                    tm;
+  static zble_module_cfg_t cfg =  //
+      {
+          .deviceName      = "OneLeadTest",
+          .on_service_init = on_service_init,
+      };
+  zble_module_init(&cfg);
+  SingleLeadECG_adc_module_init();
+  SingleLeadECG_led_init();
+  SingleLeadECG_led_green_set_state(0);
+
+  zble_module_start_adv();
+
+  /*******************************************************************************
+   *                                定时器初始化                                 *
+   *******************************************************************************/
+  /**
+   * @brief 初始化定时器
+   */
+  nrfx_err_t          err;
+  nrfx_timer_config_t timer_cfg = {
+      .frequency          = NRF_TIMER_FREQ_500kHz,
+      .mode               = NRF_TIMER_MODE_TIMER,
+      .bit_width          = NRF_TIMER_BIT_WIDTH_24,
+      .p_context          = NULL,
+      .interrupt_priority = NRFX_TIMER_DEFAULT_CONFIG_IRQ_PRIORITY,
+  };
+
+  err = nrfx_timer_init(&m_timer, &timer_cfg, nrfx_timer_event_handler);
+  if (err != NRFX_SUCCESS) {
+    NRF_LOG_ERROR("nrfx_timer_init failed with: %d\n", err);
+  }
+  uint32_t timer_ticks = nrfx_timer_ms_to_ticks(&m_timer, 5);  // 500HZ
+  nrfx_timer_extended_compare(&m_timer, NRF_TIMER_CC_CHANNEL0, timer_ticks, NRF_TIMER_SHORT_COMPARE0_CLEAR_MASK, true);
+  nrfx_timer_enable(&m_timer);
+  znordic_loop();
+}
+
 #endif
\ No newline at end of file
diff --git a/app/src/board/board.h b/app/src/board/board.h
index 9041700..a3507a3 100644
--- a/app/src/board/board.h
+++ b/app/src/board/board.h
@@ -21,6 +21,6 @@
 #define AUTOMATIC_SLEEP_TIME 15000
 #define SAMPLE_MIN_TIME_S    (30.0)
 
-#define ENABLE_SLEEP
+// #define ENABLE_SLEEP
 
 #define LITTLE_DATA_BLOCK_FRAME_NUM 5  // 每次多少帧上报一次