diff --git a/README.md b/README.md
index b939b5b..4bafaa1 100644
--- a/README.md
+++ b/README.md
@@ -7,6 +7,8 @@ V3:
     3. 添加充电检测
     4. 调整UI显示效果
     5. 调慢心跳动速度
+V4:
+    1. 修改单手唤醒改为双手唤醒
 
 
 TODO
diff --git a/app/config/sdk_config.h b/app/config/sdk_config.h
index 54116c9..03e3122 100644
--- a/app/config/sdk_config.h
+++ b/app/config/sdk_config.h
@@ -7812,7 +7812,7 @@
 // <e> NRF_LOG_ENABLED - nrf_log - Logger
 //==========================================================
 #ifndef NRF_LOG_ENABLED
-#define NRF_LOG_ENABLED 1
+#define NRF_LOG_ENABLED 0
 #endif
 // <h> Log message pool - Configuration of log message pool
 
diff --git a/app/src/basic/version.h b/app/src/basic/version.h
index 6b8682a..212eb68 100644
--- a/app/src/basic/version.h
+++ b/app/src/basic/version.h
@@ -2,7 +2,7 @@
 #define CATEGORY "M1001" // 单导联
 #define MANUFACTURER_NAME "iflytop"
 
-#define FIRMWARE_VERSION (3)
+#define FIRMWARE_VERSION (4)
 #define BLESTACK_VERSION 1
 #define BOOTLOADER_VERSION 1
 #define HARDWARE_VERSION (1)
diff --git a/app/src/board/board_ecg_sensor.c b/app/src/board/board_ecg_sensor.c
index 0b08f15..854d81b 100644
--- a/app/src/board/board_ecg_sensor.c
+++ b/app/src/board/board_ecg_sensor.c
@@ -16,8 +16,9 @@ static void module_tmr_cb(void *context) {  //
   static uint32_t    connecte_state_trigger_cnt = 0;
   static app_event_t appevent;
   memset(&appevent, 0, sizeof(appevent));
+  // ZLOGI("ecg sensor %d",m_plod_state_connected_state);
 
-  if (BoardEcgSensor_plod_get_connected_state()) {
+  if (!nrf_gpio_pin_read(ECG_PLOD_PIN)) {
     connecte_state_trigger_cnt++;
     m_connecte_state_last_trigger_timepoint = znordic_getpower_on_ms();
   } else {
diff --git a/app/src/one_conduction_main.c b/app/src/one_conduction_main.c
index e496e57..686907d 100644
--- a/app/src/one_conduction_main.c
+++ b/app/src/one_conduction_main.c
@@ -171,7 +171,7 @@ static void app_event_listener(void* p_event_data, uint16_t event_size) {
 
     // 导联连接事件触发 --> 切换到开机中页面
 
-    else if (BoardEcgSensor_plod_get_connected_state() && znordic_haspassed_ms(lasttrypoweron_time) >= LOW_BATTERY_REMINDER_DELAY_MS) {
+    else if (BoardEcgSensor_plod_get_connected_state_after_filter() && znordic_haspassed_ms(lasttrypoweron_time) >= LOW_BATTERY_REMINDER_DELAY_MS) {
       lasttrypoweron_time = znordic_getpower_on_ms();
       if (BoardBattery_get_battery_level() > APP_WORK_BATTERY_LEVEL) {
         state_machine__change_to_poweroning_state();
@@ -183,7 +183,7 @@ static void app_event_listener(void* p_event_data, uint16_t event_size) {
     }
 
     // 10秒后，如果RTC未被设置过，则进入超低功耗
-    else if (ds_cur_state_haspassed_ms() >= 2000) {
+    else if (ds_cur_state_haspassed_ms() >= 10000) {
       if (!znordic_rtc_has_setted()) {
         ENTER_DEEP_SLEEP();
       }
@@ -434,6 +434,6 @@ void one_conduction_main() {
   ZERROR_CHECK(app_timer_create(&m_state_machine_driver_tmr, APP_TIMER_MODE_REPEATED, state_machine_driver_tmr_cb));
   ZERROR_CHECK(app_timer_start(m_state_machine_driver_tmr, APP_TIMER_TICKS(300), NULL));
 
-  state_machine__change_to_poweroning_state();
+  state_machine__change_to_standby_state();
   znordic_loop();
 }