diff --git a/Firmware/Core/apps/Inc/menu.h b/Firmware/Core/apps/Inc/menu.h
index df718da..035133b 100644
--- a/Firmware/Core/apps/Inc/menu.h
+++ b/Firmware/Core/apps/Inc/menu.h
@@ -14,5 +14,8 @@
 
 void Staring_Menu();
 void user_Menu();
+void changePriceMenu();
+
+uint8_t getChangeFlag();
 
 #endif //APPS_CORE_APPS_INC_MENU_H_
diff --git a/Firmware/Core/apps/src/menu.c b/Firmware/Core/apps/src/menu.c
index 5a12c60..f6a9838 100644
--- a/Firmware/Core/apps/src/menu.c
+++ b/Firmware/Core/apps/src/menu.c
@@ -7,10 +7,11 @@
   * @日 期           : 24-4-28
   ******************************************************************************
   */
-#include <stdbool.h>
+#include <math.h>
 #include "menu.h"
 #include "sdio.h"
 #include "rtc.h"
+#include "tim.h"
 
 void Staring_Menu() {
   WS_TFT_Clear(WHITE);
@@ -18,7 +19,7 @@ void Staring_Menu() {
   if (sdMountFlag == 1) {
 	WS_TFT_Dis_12X24_String(0, 0, "SD card mount OK!", WHITE, GREEN);
 	WS_TFT_Dis_12X24_String(0, 25, "SD card init OK!", WHITE, GREEN);
-	sprintf(buffer, "size: %.1f M", (float)hsd.SdCard.BlockNbr * hsd.SdCard
+	sprintf(buffer, "size: %.1f M", (float)hsd.SdCard.BlockNbr * (float)hsd.SdCard
 		.BlockSize / 1024 / 1024);
 	WS_TFT_Dis_12X24_String(0, 49, buffer, WHITE, GREEN);
 	WS_TFT_Dis_12X24_String(0, 73, "System Init OK!", WHITE, GREEN);
@@ -35,7 +36,7 @@ void showTime() {
   RTC_DateTypeDef sDate;
   HAL_RTC_GetTime(&hrtc, &sTime, RTC_FORMAT_BIN);
   HAL_RTC_GetDate(&hrtc, &sDate, RTC_FORMAT_BIN);
-  uint8_t buffer[32];
+  char buffer[32];
   sprintf(buffer, "20%02u-%02u-%02u", sDate.Year, sDate.Month, sDate
 	  .Date);
   WS_TFT_Dis_12X24_String(60, 0, buffer, WHITE, BLUE);
@@ -43,12 +44,93 @@ void showTime() {
   WS_TFT_Dis_12X24_String(72, 25, buffer, WHITE, BLUE);
 
 }
-
+uint8_t beginFlag = 0;
 void user_Menu() {
 
   showTime();
-
-
-
+  char temp[22] = {0};
+  sprintf(temp, "Price: %.2f CNY/Km", getPrice());
+  WS_TFT_Dis_12X24_String(10, 120, temp, WHITE, BLUE);
+  sprintf(temp, "Speed: %.2f KM/h", getSpeed());
+  WS_TFT_Dis_12X24_String(10, 145, temp, WHITE, BLUE);
+  sprintf(temp, "Mileage: %.3f KM", getMileage());
+  WS_TFT_Dis_12X24_String(10, 170, temp, WHITE, BLUE);
+  sprintf(temp, "TotalPrice: %.2f CNY", getMileage() * getPrice());
+  WS_TFT_Dis_12X24_String(0, 220, temp, WHITE, BLACK);
+  if (keyVal == 3) {
+	beginFlag++;
+	keyVal = 0;
+  }
+  if (beginFlag == 1) {
+	HAL_TIM_Base_Start_IT(&htim4);
+	setMileage(0);
+	LED_BLUE_ON;
+	beginFlag = 2;
+  }
+  if (beginFlag == 3) {
+	HAL_TIM_Base_Stop_IT(&htim4);
+	LED_BLUE_OFF;
+	beginFlag = 0;
+  }
+}
+uint8_t changeFlag = 0;
+uint8_t getChangeFlag() {
+  return changeFlag;
+}
+static float tempPrice = 0;
+void changePriceMenu() {
+  WS_TFT_Dis_12X24_String(10, 0, "SETTING PRICE", WHITE, BLUE);
+  char temp[18];
+  sprintf(temp, "Price: %.2f KM/h", getPrice() - tempPrice);
+  if(changeFlag == 0) WS_TFT_Dis_12X24_String(10, 50, temp, WHITE, BLUE);
+  if (keyVal == 3) {
+	changeFlag++;
+	keyVal = 0;
+  }
+  //修改价格步进为0.1时
+  if (changeFlag == 1) {
+	WS_TFT_Dis_12X24_String(10, 50, temp, BLUE, WHITE);
+	WS_TFT_Dis_12X24_String(10, 75, "x 0.1 ", WHITE, BLACK);
+	if (keyVal == 1) {
+	  tempPrice -= 0.1f;
+	  keyVal = 0;
+	}
+	if (keyVal == 2) {
+	  tempPrice += 0.1f;
+	  if ((float)fabs((double)tempPrice) >= getPrice()) {
+		tempPrice = getPrice();
+	  }
+	  keyVal = 0;
+	}
+  }
+  //修改价格步进为1时
+  if (changeFlag == 2) {
+	WS_TFT_Dis_12X24_String(10, 50, temp, BLUE, WHITE);
+	WS_TFT_Dis_12X24_String(10, 75, "x 1    ", WHITE, BLACK);
+	if (keyVal == 1) {
+	  tempPrice -= 1.0f;
+	  keyVal = 0;
+	}
+	if (keyVal == 2) {
+	  tempPrice += 1.0f;
+	  if ((float)fabs((double)tempPrice) >= getPrice()) {
+		tempPrice = getPrice();
+	  }
+	  keyVal = 0;
+	}
+  }
+  if(changeFlag == 3){
+	WS_TFT_Dis_12X24_String(10, 50, temp, BLUE, WHITE);
+	if(writePriceToConfig(getPrice() - tempPrice) == 1){
+	  WS_TFT_Dis_12X24_String(10,100,"Set up price ok",WHITE,BLUE);
+	  changeFlag = 0;
+	  tempPrice = 0;
+	}
+	else{
+	  WS_TFT_Dis_12X24_String(10,100,"Set up price fail",WHITE,BLUE);
+	  changeFlag = 0;
+	  tempPrice = 0;
+	}
+  }
 }