diff --git a/app/src/basic/ssd1306/driver_ssd1306_basic.c b/app/src/basic/ssd1306/driver_ssd1306_basic.c
index 95a30a1..507eae4 100644
--- a/app/src/basic/ssd1306/driver_ssd1306_basic.c
+++ b/app/src/basic/ssd1306/driver_ssd1306_basic.c
@@ -561,7 +561,7 @@ uint8_t ssd1306_basic_draw_one_chr(uint8_t xs, uint8_t ys, char *str, FontLibrar
   return 0;
 }
 
-uint8_t ssd1306_basic_draw_str(uint8_t xs, uint8_t ys, const char *str, FontLibrary_t *frontlib) {
+uint8_t ssd1306_basic_draw_str(uint8_t xs, uint8_t ys, uint8_t *xchange, uint8_t *ychange, const char *str, FontLibrary_t *frontlib) {
   uint8_t       x = xs;
   uint8_t       y = ys;
   StrIterator_t iterator;
@@ -575,7 +575,144 @@ uint8_t ssd1306_basic_draw_str(uint8_t xs, uint8_t ys, const char *str, FontLibr
       }
       ssd1306_basic_draw_one_chr(x, y, nowchr, frontlib);
       x += (uint8_t)(frontlib->widthPixel); /* x + font/2 */
+      *xchange += frontlib->widthPixel;
     }
   }
+
+  *ychange += frontlib->heightPixel;
+
   return 0;
-}
\ No newline at end of file
+}
+
+uint8_t ssd1306_basic_draw_battery_level(uint8_t xs, uint8_t ys, uint8_t *xchange, uint8_t *ychange, int level, int width, int high) {
+  /**
+   * @brief
+   *   *****
+   *  ********
+   *  *      *
+   *  * **** *
+   *  * **** *
+   *  ********
+   */
+
+  uint8_t xoff = 0;
+  uint8_t yoff = 0;
+
+  int batteryHeaderHigh  = 2;
+  int batteryHeaderWidth = 7;
+  int batteryBodyHigh    = 20;
+  int batteryBodyWidth   = 12;
+  int border_width       = 1;
+  int blank_width        = 1;
+
+  float width_mult = width * 1.0 / batteryBodyWidth;
+  float high_mult  = high * 1.0 / (batteryBodyHigh + batteryHeaderHigh);
+
+  batteryHeaderHigh  = batteryHeaderHigh * high_mult;
+  batteryHeaderWidth = batteryHeaderWidth * width_mult;
+  batteryBodyHigh    = batteryBodyHigh * high_mult;
+  batteryBodyWidth   = batteryBodyWidth * width_mult;
+  border_width       = 1;
+  blank_width        = 1;
+
+  int batteryInterBodyWidth = batteryBodyWidth - blank_width * 2 - border_width * 2;
+  int batteryInterBodyHigh  = batteryBodyHigh - border_width * 2 - blank_width * 2;
+  /**
+   * @brief 画头部
+   */
+  for (int yoff = 0; yoff < batteryHeaderHigh; yoff++) {
+    for (int xoff = 0; xoff < batteryBodyWidth; xoff++) {
+      uint16_t battery_start = (batteryBodyWidth - batteryHeaderWidth) / 2;
+      uint16_t battery_end   = battery_start + batteryHeaderWidth;
+      if (xoff >= battery_start && xoff <= battery_end) {
+        ssd1306_gram_write_point(&gs_handle, xs + xoff, ys + yoff, 1);
+      } else {
+        ssd1306_gram_write_point(&gs_handle, xs + xoff, ys + yoff, 0);
+      }
+    }
+  }
+  ys += batteryHeaderHigh;
+
+  /**
+   * @brief 画上边沿
+   */
+  for (int yoff = 0; yoff < border_width; yoff++) {
+    for (int xoff = 0; xoff < batteryBodyWidth; xoff++) {
+      ssd1306_gram_write_point(&gs_handle, xs + xoff, ys + yoff, 1);
+    }
+  }
+  ys += border_width;
+  /**
+   * @brief 画上留白
+   */
+  for (int yoff = 0; yoff < blank_width; yoff++) {
+    for (int xoff = 0; xoff < batteryBodyWidth; xoff++) {
+      // uint16_t start = blank_width;
+      if (xoff < border_width) {
+        ssd1306_gram_write_point(&gs_handle, xs + xoff, ys + yoff, 1);
+      } else if (xoff >= (batteryInterBodyWidth + border_width * 1 + blank_width * 2)) {
+        ssd1306_gram_write_point(&gs_handle, xs + xoff, ys + yoff, 1);
+      } else {
+        ssd1306_gram_write_point(&gs_handle, xs + xoff, ys + yoff, 0);
+      }
+    }
+  }
+  ys += blank_width;
+
+  /**
+   * @brief 画身体
+   */
+  for (int yoff = 0; yoff < batteryInterBodyHigh; yoff++) {
+    for (int xoff = 0; xoff < batteryBodyWidth; xoff++) {
+      // uint16_t start = blank_width;
+      if (xoff < border_width) {
+        // right border
+        ssd1306_gram_write_point(&gs_handle, xs + xoff, ys + yoff, 1);
+      } else if (xoff >= border_width + blank_width && xoff < batteryInterBodyWidth + border_width + blank_width) {
+        // body
+        // ssd1306_gram_write_point(&gs_handle, xs + xoff, ys + yoff, 1);
+
+        uint16_t batterylevel = (100 - level) / 100.0 * batteryInterBodyHigh;
+        if (yoff >= batterylevel) {
+          ssd1306_gram_write_point(&gs_handle, xs + xoff, ys + yoff, 1);
+        }
+
+      } else if (xoff >= batteryInterBodyWidth + border_width * 1 + blank_width * 2) {
+        // left border
+        ssd1306_gram_write_point(&gs_handle, xs + xoff, ys + yoff, 1);
+      } else {
+        ssd1306_gram_write_point(&gs_handle, xs + xoff, ys + yoff, 0);
+      }
+    }
+  }
+  ys += batteryInterBodyHigh;
+
+  /**
+   * @brief 画上留白
+   */
+  for (int yoff = 0; yoff < blank_width; yoff++) {
+    for (int xoff = 0; xoff < batteryBodyWidth; xoff++) {
+      // uint16_t start = blank_width;
+      if (xoff < border_width) {
+        ssd1306_gram_write_point(&gs_handle, xs + xoff, ys + yoff, 1);
+      } else if (xoff >= (batteryInterBodyWidth + border_width * 1 + blank_width * 2)) {
+        ssd1306_gram_write_point(&gs_handle, xs + xoff, ys + yoff, 1);
+      } else {
+        ssd1306_gram_write_point(&gs_handle, xs + xoff, ys + yoff, 0);
+      }
+    }
+  }
+  ys += blank_width;
+  /**
+   * @brief 画上边沿
+   */
+  for (int yoff = 0; yoff < border_width; yoff++) {
+    for (int xoff = 0; xoff < batteryBodyWidth; xoff++) {
+      ssd1306_gram_write_point(&gs_handle, xs + xoff, ys + yoff, 1);
+    }
+  }
+  ys += border_width;
+
+  *xchange = batteryBodyWidth;
+  *ychange = batteryBodyHigh + batteryHeaderHigh;
+}
diff --git a/app/src/basic/ssd1306/driver_ssd1306_basic.h b/app/src/basic/ssd1306/driver_ssd1306_basic.h
index ec47910..f113f6f 100644
--- a/app/src/basic/ssd1306/driver_ssd1306_basic.h
+++ b/app/src/basic/ssd1306/driver_ssd1306_basic.h
@@ -204,7 +204,9 @@ uint8_t           ssd1306_basic_gram_update();
 ssd1306_handle_t* ssd1306_handler();
 uint8_t           ssd1306_basic_line(uint8_t x, uint8_t y, uint8_t data);
 
-uint8_t ssd1306_basic_draw_str(uint8_t xs, uint8_t ys, const char *str, FontLibrary_t *frontlib);
+uint8_t ssd1306_basic_draw_str(uint8_t xs, uint8_t ys, uint8_t *xchange, uint8_t *ychange, const char *str, FontLibrary_t *frontlib);
+
+uint8_t ssd1306_basic_draw_battery_level(uint8_t xs, uint8_t ys,  uint8_t *xchange, uint8_t *ychange,int level, int width, int high);
 
 /**
  * @}
diff --git a/app/src/one_conduction/display_manager.c b/app/src/one_conduction/display_manager.c
index 6b2e6a7..ebae393 100644
--- a/app/src/one_conduction/display_manager.c
+++ b/app/src/one_conduction/display_manager.c
@@ -2,15 +2,17 @@
 
 #include "../../../res/logo_mono.c"
 //
+#include <stdarg.h>
+
 #include "basic/ssd1306/driver_ssd1306.h"
 #include "basic/ssd1306/driver_ssd1306_basic.h"
 #include "font.h"
 #include "one_conduction_board.h"
-#include <stdarg.h>
 PageState_t g_pageState;
 
 void dsp_mgr_init(void) {
   FontLibrary_regsiter(&fontclocklib);
+  FontLibrary_regsiter(&font8x8_xo_lib);
 
   // fronlib16.asciifront         = assci16code;
   // fronlib16.asciifrontIndex    = "0123456789Ero.";
@@ -47,6 +49,8 @@ void dsp_mgr_change_to_poweroff() {
   SingleLeadECG_screen_deinit();
 }
 
+void dsp_mgr_poweron() { SingleLeadECG_screen_init(); }
+
 void dsp_mgr_change_to_welcome() {
   /**
    * @brief 切换到欢迎界面
@@ -54,14 +58,11 @@ void dsp_mgr_change_to_welcome() {
    *    2. 打开屏幕电源
    *    3. 初始化开机页面
    */
-  SingleLeadECG_screen_init();
 
   // ssd1306_basic_string(0, 0, "123456789123456789123", 21, 0, SSD1306_FONT_12);
   ssd1306_basic_draw_screen(gImage_logo_mono);
   ssd1306_basic_gram_update();
   dsp_mgr_change_to_page(kPage_welcome);
-
-  dsp_mgr_change_to_main();
 }
 
 const char* fmt(const char* format, ...) {
@@ -75,20 +76,57 @@ const char* fmt(const char* format, ...) {
 }
 
 void dsp_mgr_change_to_main() {
-  /**
-   * @brief
-   */
+  int16_t batterylevel = 80;
+  int16_t hour         = 12;
+  int16_t min          = 32;
+
   ssd1306_basic_clear();
-  //打印时间
-  ssd1306_basic_draw_str(40, 32 - fontclocklib.heightPixel / 2, fmt("%02d:%02d", 6, 32), &fontclocklib);
-  //打印电量
+  uint8_t x = 20;
+  uint8_t y = 32 - fontclocklib.heightPixel / 2;  // 12*4 +12
+  uint8_t xchange, ychange;
 
+  ssd1306_basic_draw_str(x, y, &xchange, &ychange, fmt("%02d:%02d", hour, min), &fontclocklib);
+  x = x + 2 + xchange;
+  ssd1306_basic_draw_battery_level(x, y, &xchange, &ychange, batterylevel, 12, 22);
   ssd1306_basic_gram_update();
+  dsp_mgr_change_to_page(kPage_main);
+}
+
+void dsp_mgr_change_to_chargingPage() {
+  int16_t batterylevel = 80;
+  int16_t hour         = 12;
+  int16_t min          = 32;
+
+  ssd1306_basic_clear();
+  uint8_t x = 20;
+  uint8_t y = 32 - fontclocklib.heightPixel / 2;  // 12*4 +12
+  uint8_t xchange, ychange;
+
+  ssd1306_basic_draw_str(x, y, &xchange, &ychange, fmt("%02d:%02d", hour, min), &fontclocklib);
+  x = x + 2 + xchange;
+  ssd1306_basic_draw_battery_level(x, y, &xchange, &ychange, batterylevel, 12, 22);
+  ssd1306_basic_gram_update();
+  dsp_mgr_change_to_page(kPage_main);
 }
 void dsp_mgr_change_to_preparePage() {
   /**
    * @brief
+   *
+   * 1.进度条
+   * 2.提示信息
    */
+  ssd1306_basic_clear();
+  uint8_t x = 0;
+  uint8_t y = 0;
+  uint8_t xchange, ychange;
+
+  // ssd1306_basic_draw_str(&x, &y, "123", &fontclocklib);
+  ssd1306_basic_draw_str(x, y, &xchange, &ychange, "ooox", &font8x8_xo_lib);
+  y = y + font8x8_xo_lib.heightPixel;
+  x = x + font8x8_xo_lib.widthPixel;
+  ssd1306_basic_draw_str(x, y, &xchange, &ychange, "保持静止", &font24x24_baochijingzhi_lib);
+  ssd1306_basic_gram_update();
+  dsp_mgr_change_to_page(kPage_preparePage);
 }
 void dsp_mgr_change_to_sampling() {}
 void dsp_mgr_change_to_samplingError() {}
diff --git a/app/src/one_conduction/display_manager.h b/app/src/one_conduction/display_manager.h
index 84c8e82..10acfcc 100644
--- a/app/src/one_conduction/display_manager.h
+++ b/app/src/one_conduction/display_manager.h
@@ -35,6 +35,7 @@ typedef enum {
   kPage_samplingError,
   kPage_storaging,
   kPage_storagingSuc,
+  kPage_chargingPage,
 } page_t;
 
 typedef struct {
@@ -60,9 +61,13 @@ void dsp_mgr_schedule(void);
 PageState_t* dsp_mgr_get_state(void);
 uint32_t     dsp_mgr_get_page_elapsed_time_s(void);
 
+void dsp_mgr_poweron();
+void dsp_mgr_poweroff();
+
 void dsp_mgr_change_to_poweroff();
 void dsp_mgr_change_to_welcome();
 void dsp_mgr_change_to_main();
+void dsp_mgr_change_to_chargingPage();
 void dsp_mgr_change_to_preparePage();
 void dsp_mgr_change_to_sampling();
 void dsp_mgr_change_to_samplingError();
diff --git a/app/src/one_conduction/font.h b/app/src/one_conduction/font.h
index 5f19bdc..ae0fe1e 100644
--- a/app/src/one_conduction/font.h
+++ b/app/src/one_conduction/font.h
@@ -98,20 +98,20 @@ static FontLibrary_t fontclocklib = {
 };
 #endif
 
-//24*24
+// 24*24
 const char fontclocklib_code[] = {
 
-0x00,0x00,0x80,0xC0,0xE0,0x60,0x20,0x60,0xE0,0xC0,0x80,0x00,0x00,0xFE,0xFF,0xFF,0x01,0x00,0x00,0x00,0x01,0xFF,0xFF,0xFE,0x00,0x01,0x07,0x0F,0x1E,0x18,0x10,0x18,0x1E,0x0F,0x07,0x01,/*"0",0*/
-0x00,0x00,0x80,0x80,0x80,0xC0,0xE0,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0xFF,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,0x10,0x10,0x10,0x1F,0x1F,0x1F,0x10,0x10,0x10,0x00,/*"1",1*/
-0x00,0x80,0xC0,0x60,0x20,0x20,0x20,0x60,0xE0,0xC0,0x80,0x00,0x00,0x03,0x03,0x03,0x80,0xC0,0x60,0x38,0x3F,0x1F,0x07,0x00,0x00,0x1C,0x1E,0x1B,0x19,0x18,0x18,0x18,0x18,0x1F,0x1F,0x00,/*"2",2*/
-0x00,0x80,0xC0,0xE0,0x20,0x20,0x60,0xE0,0xC0,0x80,0x00,0x00,0x00,0x03,0x03,0x03,0x10,0x10,0x18,0x3F,0xEF,0xE7,0x80,0x00,0x00,0x07,0x0F,0x1F,0x10,0x10,0x10,0x18,0x1F,0x0F,0x07,0x00,/*"3",3*/
-0x00,0x00,0x00,0x00,0x00,0x00,0xC0,0xE0,0xF0,0xF0,0x00,0x00,0x00,0xC0,0xF0,0xB8,0x8E,0x87,0x81,0xFF,0xFF,0xFF,0x80,0x80,0x00,0x00,0x00,0x00,0x00,0x10,0x10,0x1F,0x1F,0x1F,0x10,0x10,/*"4",4*/
-0x00,0x00,0xE0,0xE0,0x60,0x60,0x60,0x60,0x60,0x60,0x60,0x00,0x00,0x00,0x3F,0x3F,0x18,0x08,0x08,0x18,0xF8,0xF0,0xE0,0x00,0x00,0x07,0x0F,0x1B,0x10,0x10,0x10,0x1C,0x1F,0x0F,0x03,0x00,/*"5",5*/
-0x00,0x00,0x80,0xC0,0xC0,0x60,0x20,0x20,0xE0,0xE0,0xC0,0x00,0x00,0xFC,0xFF,0xFF,0x31,0x18,0x08,0x08,0x18,0xF8,0xF0,0xE0,0x00,0x01,0x07,0x0F,0x1C,0x18,0x10,0x10,0x18,0x0F,0x0F,0x03,/*"6",6*/
-0x00,0x00,0xC0,0xE0,0xE0,0x60,0x60,0x60,0x60,0xE0,0xE0,0x60,0x00,0x00,0x03,0x03,0x00,0x00,0xE0,0xF8,0x1F,0x07,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x1F,0x1F,0x1F,0x00,0x00,0x00,0x00,/*"7",7*/
-0x00,0x80,0xC0,0xE0,0x60,0x20,0x20,0x20,0x60,0xE0,0xC0,0x80,0x00,0x87,0xEF,0xEF,0x3C,0x18,0x38,0x30,0x78,0xEF,0xCF,0x83,0x00,0x07,0x0F,0x0F,0x18,0x10,0x10,0x10,0x18,0x1F,0x0F,0x07,/*"8",8*/
-0x00,0x00,0xC0,0xC0,0xE0,0x20,0x20,0x20,0xE0,0xC0,0x80,0x00,0x00,0x1F,0x3F,0x7F,0x60,0x40,0x40,0x60,0x30,0xFF,0xFF,0xFE,0x00,0x00,0x0C,0x1C,0x1C,0x10,0x10,0x18,0x0F,0x0F,0x03,0x00,/*"9",9*/
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0E,0x0E,0x0E,0x0E,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x1C,0x1C,0x1C,0x1C,0x00,0x00,0x00,/*":",10*/
+    0x00, 0x00, 0x80, 0xC0, 0xE0, 0x60, 0x20, 0x60, 0xE0, 0xC0, 0x80, 0x00, 0x00, 0xFE, 0xFF, 0xFF, 0x01, 0x00, 0x00, 0x00, 0x01, 0xFF, 0xFF, 0xFE, 0x00, 0x01, 0x07, 0x0F, 0x1E, 0x18, 0x10, 0x18, 0x1E, 0x0F, 0x07, 0x01, /*"0",0*/
+    0x00, 0x00, 0x80, 0x80, 0x80, 0xC0, 0xE0, 0xE0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x10, 0x10, 0x1F, 0x1F, 0x1F, 0x10, 0x10, 0x10, 0x00, /*"1",1*/
+    0x00, 0x80, 0xC0, 0x60, 0x20, 0x20, 0x20, 0x60, 0xE0, 0xC0, 0x80, 0x00, 0x00, 0x03, 0x03, 0x03, 0x80, 0xC0, 0x60, 0x38, 0x3F, 0x1F, 0x07, 0x00, 0x00, 0x1C, 0x1E, 0x1B, 0x19, 0x18, 0x18, 0x18, 0x18, 0x1F, 0x1F, 0x00, /*"2",2*/
+    0x00, 0x80, 0xC0, 0xE0, 0x20, 0x20, 0x60, 0xE0, 0xC0, 0x80, 0x00, 0x00, 0x00, 0x03, 0x03, 0x03, 0x10, 0x10, 0x18, 0x3F, 0xEF, 0xE7, 0x80, 0x00, 0x00, 0x07, 0x0F, 0x1F, 0x10, 0x10, 0x10, 0x18, 0x1F, 0x0F, 0x07, 0x00, /*"3",3*/
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xC0, 0xE0, 0xF0, 0xF0, 0x00, 0x00, 0x00, 0xC0, 0xF0, 0xB8, 0x8E, 0x87, 0x81, 0xFF, 0xFF, 0xFF, 0x80, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x10, 0x10, 0x1F, 0x1F, 0x1F, 0x10, 0x10, /*"4",4*/
+    0x00, 0x00, 0xE0, 0xE0, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x60, 0x00, 0x00, 0x00, 0x3F, 0x3F, 0x18, 0x08, 0x08, 0x18, 0xF8, 0xF0, 0xE0, 0x00, 0x00, 0x07, 0x0F, 0x1B, 0x10, 0x10, 0x10, 0x1C, 0x1F, 0x0F, 0x03, 0x00, /*"5",5*/
+    0x00, 0x00, 0x80, 0xC0, 0xC0, 0x60, 0x20, 0x20, 0xE0, 0xE0, 0xC0, 0x00, 0x00, 0xFC, 0xFF, 0xFF, 0x31, 0x18, 0x08, 0x08, 0x18, 0xF8, 0xF0, 0xE0, 0x00, 0x01, 0x07, 0x0F, 0x1C, 0x18, 0x10, 0x10, 0x18, 0x0F, 0x0F, 0x03, /*"6",6*/
+    0x00, 0x00, 0xC0, 0xE0, 0xE0, 0x60, 0x60, 0x60, 0x60, 0xE0, 0xE0, 0x60, 0x00, 0x00, 0x03, 0x03, 0x00, 0x00, 0xE0, 0xF8, 0x1F, 0x07, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1F, 0x1F, 0x1F, 0x00, 0x00, 0x00, 0x00, /*"7",7*/
+    0x00, 0x80, 0xC0, 0xE0, 0x60, 0x20, 0x20, 0x20, 0x60, 0xE0, 0xC0, 0x80, 0x00, 0x87, 0xEF, 0xEF, 0x3C, 0x18, 0x38, 0x30, 0x78, 0xEF, 0xCF, 0x83, 0x00, 0x07, 0x0F, 0x0F, 0x18, 0x10, 0x10, 0x10, 0x18, 0x1F, 0x0F, 0x07, /*"8",8*/
+    0x00, 0x00, 0xC0, 0xC0, 0xE0, 0x20, 0x20, 0x20, 0xE0, 0xC0, 0x80, 0x00, 0x00, 0x1F, 0x3F, 0x7F, 0x60, 0x40, 0x40, 0x60, 0x30, 0xFF, 0xFF, 0xFE, 0x00, 0x00, 0x0C, 0x1C, 0x1C, 0x10, 0x10, 0x18, 0x0F, 0x0F, 0x03, 0x00, /*"9",9*/
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0E, 0x0E, 0x0E, 0x0E, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1C, 0x1C, 0x1C, 0x1C, 0x00, 0x00, 0x00, /*":",10*/
 
 };
 static FontLibrary_t fontclocklib = {
@@ -122,4 +122,42 @@ static FontLibrary_t fontclocklib = {
     .isAscii      = true,
     .widthPixel   = 12,
     .heightPixel  = 24,
-};
\ No newline at end of file
+};
+
+const char font8x8_xo_code[] = {
+    0x00, 0x3C, 0x7E, 0x7E, 0x7E, 0x7E, 0x3C, 0x00, /*实心圆,代表完成*/
+    0x00, 0x3C, 0x42, 0x42, 0x42, 0x42, 0x3C, 0x00, /*空心圆,代表未完成*/
+
+};
+
+static FontLibrary_t font8x8_xo_lib = {
+    .font         = font8x8_xo_code,
+    .fontIndex    = "ox",
+    .fontIndexLen = 2,
+    .fontCode     = kutf8,
+    .isAscii      = true,
+    .widthPixel   = 8,
+    .heightPixel  = 8,
+};
+
+const char font24x24_baochijingzhi_code[] = {
+    // 保(0) 持(1) 静(2) 止(3) 楷体
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0xF8, 0x38, 0x10, 0x10, 0xF0, 0x90, 0x10, 0x10, 0x10, 0x88, 0xF8, 0x38, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x10, 0x0C, 0x06, 0xE7, 0x1C, 0x10, 0x10, 0x10, 0x10, 0x93,
+    0x71, 0xFF, 0x39, 0x49, 0x89, 0x08, 0x08, 0x0C, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1F, 0x00, 0x00, 0x04, 0x02, 0x01, 0x00, 0x00, 0x3F, 0x00, 0x00, 0x00, 0x03, 0x07, 0x06, 0x06, 0x04, 0x04, 0x00, /*"保",0*/
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0xFC, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0xFC, 0xFC, 0xC0, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x80, 0x80, 0xC2, 0x63, 0x33, 0xFF, 0x0D, 0x09, 0x08, 0x48,
+    0x48, 0x49, 0x48, 0x47, 0x4F, 0xFC, 0x24, 0x24, 0x26, 0x06, 0x04, 0x00, 0x00, 0x00, 0x01, 0x01, 0x00, 0x08, 0x38, 0x1F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x02, 0x20, 0x60, 0x3F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /*"持",1*/
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x40, 0xFC, 0x20, 0xA0, 0x20, 0x00, 0x80, 0x60, 0x3C, 0x2C, 0xA0, 0x70, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x08, 0x0C, 0x94, 0x75, 0x55, 0x57, 0x15, 0xF4, 0x02, 0x90,
+    0x92, 0x92, 0x92, 0xFF, 0x92, 0x8A, 0x49, 0x3F, 0x08, 0x08, 0x08, 0x00, 0x00, 0x00, 0x00, 0x18, 0x0F, 0x02, 0x01, 0x09, 0x18, 0x0F, 0x00, 0x00, 0x00, 0x20, 0x60, 0x7F, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /*"静",2*/
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0xF8, 0xF0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xF8, 0xF8, 0x00, 0x00, 0x00,
+    0xFF, 0x0F, 0x08, 0x08, 0x08, 0x0C, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x08, 0x08, 0x18, 0x08, 0x08, 0x08, 0x0F, 0x08, 0x08, 0x0C, 0x0F, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x00, 0x00, /*"止",3*/
+};
+
+static FontLibrary_t font24x24_baochijingzhi_lib = {
+    .font         = font24x24_baochijingzhi_code,
+    .fontIndex    = "保持静止",
+    .fontIndexLen = 12,
+    .fontCode     = kutf8,
+    .isAscii      = false,
+    .widthPixel   = 24,
+    .heightPixel  = 24,
+};
diff --git a/app/src/one_conduction/one_conduction_main.c b/app/src/one_conduction/one_conduction_main.c
index eb11b29..451d2ec 100644
--- a/app/src/one_conduction/one_conduction_main.c
+++ b/app/src/one_conduction/one_conduction_main.c
@@ -55,7 +55,9 @@ void one_conduction_main() {
   zble_module_start_adv();
 
   dsp_mgr_init();
-  dsp_mgr_change_to_welcome();
+
+  dsp_mgr_poweron();
+  dsp_mgr_change_to_preparePage();
 
   znordic_loop();
 }
diff --git a/res/Snipaste_2024-01-26_20-00-58.png b/res/Snipaste_2024-01-26_20-00-58.png
new file mode 100644
index 0000000..0274ad7
Binary files /dev/null and b/res/Snipaste_2024-01-26_20-00-58.png differ