diff --git a/app/src/app_service/ecg_service/algo/zsimple_qrs.h b/app/src/app_service/ecg_service/algo/zsimple_qrs.h
index 1b307d4..e1684b4 100644
--- a/app/src/app_service/ecg_service/algo/zsimple_qrs.h
+++ b/app/src/app_service/ecg_service/algo/zsimple_qrs.h
@@ -5,7 +5,7 @@
 #include "iflytop_simple_filter.h"
 #include "zdata_statistics.h"
 
-#define QRS_PEAK_THRESHOLD (0.5f)
+#define QRS_PEAK_THRESHOLD (0.8f)
 
 /**
  * @brief
diff --git a/app/src/app_service/ecg_service/ecg_algo.c b/app/src/app_service/ecg_service/ecg_algo.c
index ef30b47..e3d0f27 100644
--- a/app/src/app_service/ecg_service/ecg_algo.c
+++ b/app/src/app_service/ecg_service/ecg_algo.c
@@ -19,7 +19,7 @@ int32_t displaydata;
 void ecg_algo_init() {
   ecg_algo_reset();
 
-  zsimple_qrs_init(&m_qrs, SAMPLE_RATE);
+  zsimple_qrs_init(&m_qrs, SAMPLE_PERIOD_S);
   zdata_statistics_init(&m_data_statistics, m_data_statistics_buf, ZARRAY_SIZE(m_data_statistics_buf));
 }
 int32_t maxval;
diff --git a/app/src/one_conduction_main.c b/app/src/one_conduction_main.c
index 7f896c4..b5980b3 100644
--- a/app/src/one_conduction_main.c
+++ b/app/src/one_conduction_main.c
@@ -268,15 +268,16 @@ void on_state_change(device_state_t from, device_state_t to) {
  *                                                      ʼþ´¦Àí                                                       *
  ***********************************************************************************************************************/
 
-extern int32_t maxval;
-extern int32_t minval;
-extern int32_t nowval100;
+// extern int32_t maxval;
+// extern int32_t minval;
+// extern int32_t nowval100;
 void           on_zapp_ebus_event(void* p_event_data, uint16_t event_size) {
   if (!p_event_data) return;
   app_event_t* p_event = (app_event_t*)p_event_data;
 
   if (p_event->eventType == kappevent_tmr_scheduler_event) {
-    ZLOGI("tmr event. %d %d %d", nowval100, minval, maxval);
+    // ZLOGI("tmr event. %d %d %d", nowval100, minval, maxval);
+    ZLOGI("tmr event.");
   }
 
   if (zapp_state_machine_now_state() == kstate_standby) {