diff --git a/README.md b/README.md
index 985a078..5f40851 100644
--- a/README.md
+++ b/README.md
@@ -260,7 +260,7 @@ TODO:
         8. 采集完30秒，蜂鸣器滴一声，采集完成，蜂鸣器滴一声
        16. 调整UI位置 
        11. 死机后一直重启的BUG OK
-       12. 修改蓝牙名称
+       12. 修改蓝牙名称 OK
        
 --------------------------------------------------------------
         2. UI添加蓝牙状态
diff --git a/app/src/one_conduction/config.h b/app/src/one_conduction/config.h
index dd4d5bb..48cec86 100644
--- a/app/src/one_conduction/config.h
+++ b/app/src/one_conduction/config.h
@@ -19,4 +19,4 @@
 #define SAMPLE_PRECISION 12
 
 #define AUTOMATIC_SLEEP_TIME 15000
-#define SAMPLE_MIN_TIME_S (5.0)
\ No newline at end of file
+#define SAMPLE_MIN_TIME_S (30.0)
\ No newline at end of file
diff --git a/app/src/one_conduction/display_manager.c b/app/src/one_conduction/display_manager.c
index 9efad8e..3401146 100644
--- a/app/src/one_conduction/display_manager.c
+++ b/app/src/one_conduction/display_manager.c
@@ -7,10 +7,10 @@
 #include "basic/ssd1306/driver_ssd1306.h"
 #include "basic/ssd1306/driver_ssd1306_basic.h"
 #include "basic/ssd1306/wave_drawer.h"
+#include "config.h"
 #include "font.h"
 #include "heart_wave_sample_service.h"
 #include "one_conduction_board.h"
-#include "config.h"
 PageState_t g_pageState;
 
 void dsp_mgr_change_to_page(page_t page) {  //
@@ -279,18 +279,18 @@ void samplePage_update_state(int progress_s, int wave_y, int heartrate, bool upd
 void dsp_mgr_change_to_sampling(int progress_s, int heartrate) {  //
   sample_page_state_t* sps = &m_sample_page_state;
 
-  sps->progress_x     = SMAPLE_PAGE_START_X + 1;
-  sps->progress_y     = SMAPLE_PAGE_START_Y;
-  sps->progress_width = 110;
+  sps->progress_x     = SMAPLE_PAGE_START_X + 10;
+  sps->progress_y     = SMAPLE_PAGE_START_Y + 2;
+  sps->progress_width = 100;
   sps->progress_hight = 8;
 
-  sps->wave_drawser_x     = SMAPLE_PAGE_START_X;
-  sps->wave_drawser_y     = SMAPLE_PAGE_START_Y + sps->progress_hight + 10;
-  sps->wave_drawser_hight = 40;
-  sps->wave_drawser_width = 100;
+  sps->wave_drawser_x     = SMAPLE_PAGE_START_X + 5;
+  sps->wave_drawser_y     = SMAPLE_PAGE_START_Y + sps->progress_hight + 5;
+  sps->wave_drawser_hight = 45;
+  sps->wave_drawser_width = 90;
 
   sps->heartrate_x = sps->wave_drawser_x + sps->wave_drawser_width + 5;
-  sps->heartrate_y = sps->wave_drawser_y;
+  sps->heartrate_y = sps->wave_drawser_y + 5;
 
   int     progress = progress_s / SAMPLE_MIN_TIME_S * 25;
   uint8_t xchange, ychange;
@@ -298,18 +298,18 @@ void dsp_mgr_change_to_sampling(int progress_s, int heartrate) {  //
   ssd1306_basic_clear_gram();
   /**
    * @brief
-   *  =============== o
+   *  =================
    *  |           |  心
    *  | wave      |
    *  |           | 心率
    */
   ssd1306_basic_draw_progress(sps->progress_x, sps->progress_y, sps->progress_width, sps->progress_hight, 25, progress);
-  ssd1306_basic_draw_str(sps->progress_x + sps->progress_width + 2, sps->progress_y, &xchange, &ychange, "x", &font8x8_xo_lib);
+  // ssd1306_basic_draw_str(sps->progress_x + sps->progress_width + 2, sps->progress_y, &xchange, &ychange, "x", &font8x8_xo_lib);
 
   wave_drawer_init(&sps->wave_drawer, sps->wave_drawser_x, sps->wave_drawser_y, sps->wave_drawser_width, sps->wave_drawser_hight);
-  wave_drawer_draw_border(&sps->wave_drawer);
+  // wave_drawer_draw_border(&sps->wave_drawer);
 
-  ssd1306_basic_draw_str(sps->heartrate_x, sps->heartrate_y, &xchange, &ychange, "<>", &font_asicc16x8_lib);
+  ssd1306_basic_draw_str(sps->heartrate_x + 2, sps->heartrate_y, &xchange, &ychange, "<>", &font_asicc16x8_lib);
   if (heartrate <= 0) {
     ssd1306_basic_draw_str(sps->heartrate_x, sps->heartrate_y + 20, &xchange, &ychange, "-- ", &font_asicc16x8_lib);
   } else {
@@ -327,13 +327,13 @@ void samplePage_update_state(int progress_s, int wave_y, int heartrate, bool upd
   int progress = progress_s / SAMPLE_MIN_TIME_S * 25;
 
   ssd1306_basic_draw_progress(sps->progress_x, sps->progress_y, sps->progress_width, sps->progress_hight, 25, progress);
-  if (progress_s / 10 >= 3) {
-    ssd1306_basic_draw_str(sps->progress_x + sps->progress_width + 2, sps->progress_y, &xchange, &ychange, "o", &font8x8_xo_lib);
-  } else {
-    ssd1306_basic_draw_str(sps->progress_x + sps->progress_width + 2, sps->progress_y, &xchange, &ychange, "x", &font8x8_xo_lib);
-  }
+  // if (progress_s / 10 >= 3) {
+  //   ssd1306_basic_draw_str(sps->progress_x + sps->progress_width + 2, sps->progress_y, &xchange, &ychange, "o", &font8x8_xo_lib);
+  // } else {
+  //   ssd1306_basic_draw_str(sps->progress_x + sps->progress_width + 2, sps->progress_y, &xchange, &ychange, "x", &font8x8_xo_lib);
+  // }
 
-  ssd1306_basic_draw_str(sps->heartrate_x, sps->heartrate_y, &xchange, &ychange, "<>", &font_asicc16x8_lib);
+  ssd1306_basic_draw_str(sps->heartrate_x + 2, sps->heartrate_y, &xchange, &ychange, "<>", &font_asicc16x8_lib);
   if (heartrate <= 0) {
     ssd1306_basic_draw_str(sps->heartrate_x, sps->heartrate_y + 20, &xchange, &ychange, "-- ", &font_asicc16x8_lib);
   } else {
@@ -350,7 +350,7 @@ void samplePage_schedule() {
   int wave_y      = (int)hwss_read_val();
   int heartrate   = (int)hwss_read_heart_rate();
   // ZLOGI("samplePage_schedule %d %d %d", capturetime, wave_y, heartrate);
-  samplePage_update_state(capturetime / 1000, wave_y, heartrate, count % 10 == 0);
+  samplePage_update_state(capturetime / 1000, wave_y, 123, count % 10 == 0);
 }
 
 /*******************************************************************************
diff --git a/app/src/one_conduction/one_conduction_main.c b/app/src/one_conduction/one_conduction_main.c
index 5e166c9..e82456d 100644
--- a/app/src/one_conduction/one_conduction_main.c
+++ b/app/src/one_conduction/one_conduction_main.c
@@ -399,7 +399,7 @@ void one_conduction_main() {
   ztm_t tm;
   znordic_rtc_gettime(&tm);
   NRF_LOG_INFO("RTC time     :%d-%d-%d %d:%d:%d", tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday, tm.tm_hour, tm.tm_min, tm.tm_sec);
-  static uint8_t ble_name[20];
+  static char ble_name[20];
   sn_t           sn;
   device_info_read_sn(&sn);
   memcpy(ble_name, sn.sn, sizeof(sn.sn));