diff --git a/Core/Inc/gbk_text.h b/Core/Inc/gbk_text.h
index 0b21f1f..dd4a7dd 100644
--- a/Core/Inc/gbk_text.h
+++ b/Core/Inc/gbk_text.h
@@ -27,11 +27,11 @@ extern const uint8_t text_massage_ended_GBK[];
 
 // GBK文本长度宏（预计算，不含\0）
 #define text_device_name_LEN (10)
-#define text_device_loading_LEN (16)
-#define text_start_massage_LEN (8)
-#define text_start_heating_LEN (8)
-#define text_stop_massage_LEN (8)
-#define text_stop_heating_LEN (8)
+#define text_device_loading_LEN (20)
+#define text_start_massage_LEN (10)
+#define text_start_heating_LEN (10)
+#define text_stop_massage_LEN (10)
+#define text_stop_heating_LEN (10)
 #define text_massage_gear_1_LEN (13)
 #define text_massage_gear_2_LEN (13)
 #define text_massage_gear_3_LEN (13)
@@ -41,11 +41,11 @@ extern const uint8_t text_massage_ended_GBK[];
 #define text_massage_time_30_LEN (16)
 #define text_massage_time_cont_LEN (14)
 #define text_remaining_time_LEN (18)
-#define text_heating_on_LEN (10)
-#define text_heating_off_LEN (10)
-#define text_massage_running_LEN (6)
-#define text_massage_paused_LEN (10)
-#define text_massage_ended_LEN (10)
+#define text_heating_on_LEN (12)
+#define text_heating_off_LEN (12)
+#define text_massage_running_LEN (8)
+#define text_massage_paused_LEN (12)
+#define text_massage_ended_LEN (12)
 
 // 兼容旧代码的别名
 #define text_device_name text_device_name_GBK
diff --git a/Core/Inc/screen.h b/Core/Inc/screen.h
index b11ceca..d51c359 100644
--- a/Core/Inc/screen.h
+++ b/Core/Inc/screen.h
@@ -84,7 +84,7 @@ void Screen_DrawText32V_GBK(uint16_t x,uint16_t y,const uint8_t *gbk,uint16_t le
 
 void Screen_DrawText48_GBK(uint16_t x,uint16_t y,const uint8_t *gbk,uint16_t len,uint8_t color,uint8_t transparent);
 
-
+void Screen_ClearContent(void);
 #ifdef __cplusplus
 }
 #endif
diff --git a/Core/Inc/stm32f1xx_it.h b/Core/Inc/stm32f1xx_it.h
index d663de4..4e8eda7 100644
--- a/Core/Inc/stm32f1xx_it.h
+++ b/Core/Inc/stm32f1xx_it.h
@@ -52,6 +52,7 @@ void MemManage_Handler(void);
 void BusFault_Handler(void);
 void UsageFault_Handler(void);
 void DebugMon_Handler(void);
+void USART3_IRQHandler(void);
 void TIM8_UP_IRQHandler(void);
 /* USER CODE BEGIN EFP */
 
diff --git a/Core/Src/freertos.c b/Core/Src/freertos.c
index c9ed2d3..10d6253 100644
--- a/Core/Src/freertos.c
+++ b/Core/Src/freertos.c
@@ -19,14 +19,14 @@
 
 /* Includes ------------------------------------------------------------------*/
 #include "FreeRTOS.h"
-#include "cmsis_os.h"
-#include "gbk_text.h"
-#include "main.h"
 #include "task.h"
+#include "main.h"
+#include "cmsis_os.h"
 
 /* Private includes ----------------------------------------------------------*/
 /* USER CODE BEGIN Includes */
 #include "elog.h"
+#include "gbk_text.h"
 #include "motor_driver.h"
 #include "screen.h"
 #include "tim.h"
@@ -36,7 +36,6 @@
 #include <string.h>
 #include <sys/_intsup.h>
 
-
 /* USER CODE END Includes */
 
 /* Private typedef -----------------------------------------------------------*/
@@ -79,37 +78,49 @@ static uint8_t time_state = 0; /* TIME_KEY 时间状态 */
 /* Definitions for defaultTask */
 osThreadId_t defaultTaskHandle;
 const osThreadAttr_t defaultTask_attributes = {
-    .name = "defaultTask",
-    .stack_size = 128 * 4,
-    .priority = (osPriority_t)osPriorityNormal,
+  .name = "defaultTask",
+  .stack_size = 128 * 4,
+  .priority = (osPriority_t) osPriorityNormal,
 };
 /* Definitions for KeyTask */
 osThreadId_t KeyTaskHandle;
 const osThreadAttr_t KeyTask_attributes = {
-    .name = "KeyTask",
-    .stack_size = 512 * 4,
-    .priority = (osPriority_t)osPriorityRealtime,
+  .name = "KeyTask",
+  .stack_size = 512 * 4,
+  .priority = (osPriority_t) osPriorityRealtime,
 };
 /* Definitions for Sensor_Task */
 osThreadId_t Sensor_TaskHandle;
 const osThreadAttr_t Sensor_Task_attributes = {
-    .name = "Sensor_Task",
-    .stack_size = 512 * 4,
-    .priority = (osPriority_t)osPriorityHigh7,
+  .name = "Sensor_Task",
+  .stack_size = 512 * 4,
+  .priority = (osPriority_t) osPriorityHigh7,
 };
 /* Definitions for Motor_Task */
 osThreadId_t Motor_TaskHandle;
 const osThreadAttr_t Motor_Task_attributes = {
-    .name = "Motor_Task",
-    .stack_size = 512 * 4,
-    .priority = (osPriority_t)osPriorityNormal1,
+  .name = "Motor_Task",
+  .stack_size = 512 * 4,
+  .priority = (osPriority_t) osPriorityNormal1,
 };
 /* Definitions for Screen_Tsak */
 osThreadId_t Screen_TsakHandle;
 const osThreadAttr_t Screen_Tsak_attributes = {
-    .name = "Screen_Tsak",
-    .stack_size = 1024 * 4,
-    .priority = (osPriority_t)osPriorityNormal,
+  .name = "Screen_Tsak",
+  .stack_size = 1024 * 4,
+  .priority = (osPriority_t) osPriorityNormal,
+};
+/* Definitions for MP3_Play_Task */
+osThreadId_t MP3_Play_TaskHandle;
+const osThreadAttr_t MP3_Play_Task_attributes = {
+  .name = "MP3_Play_Task",
+  .stack_size = 512 * 4,
+  .priority = (osPriority_t) osPriorityNormal,
+};
+/* Definitions for init_ok */
+osEventFlagsId_t init_okHandle;
+const osEventFlagsAttr_t init_ok_attributes = {
+  .name = "init_ok"
 };
 
 /* Private function prototypes -----------------------------------------------*/
@@ -122,14 +133,15 @@ void Key(void *argument);
 void Sensor(void *argument);
 void Motor(void *argument);
 void Screen(void *argument);
+void MP3(void *argument);
 
 void MX_FREERTOS_Init(void); /* (MISRA C 2004 rule 8.1) */
 
 /**
- * @brief  FreeRTOS initialization
- * @param  None
- * @retval None
- */
+  * @brief  FreeRTOS initialization
+  * @param  None
+  * @retval None
+  */
 void MX_FREERTOS_Init(void) {
   /* USER CODE BEGIN Init */
   easylogger_init(); /* 初始化 EasyLogger */
@@ -155,8 +167,7 @@ void MX_FREERTOS_Init(void) {
 
   /* Create the thread(s) */
   /* creation of defaultTask */
-  defaultTaskHandle =
-      osThreadNew(StartDefaultTask, NULL, &defaultTask_attributes);
+  defaultTaskHandle = osThreadNew(StartDefaultTask, NULL, &defaultTask_attributes);
 
   /* creation of KeyTask */
   KeyTaskHandle = osThreadNew(Key, NULL, &KeyTask_attributes);
@@ -170,13 +181,21 @@ void MX_FREERTOS_Init(void) {
   /* creation of Screen_Tsak */
   Screen_TsakHandle = osThreadNew(Screen, NULL, &Screen_Tsak_attributes);
 
+  /* creation of MP3_Play_Task */
+  MP3_Play_TaskHandle = osThreadNew(MP3, NULL, &MP3_Play_Task_attributes);
+
   /* USER CODE BEGIN RTOS_THREADS */
   /* add threads, ... */
   /* USER CODE END RTOS_THREADS */
 
+  /* Create the event(s) */
+  /* creation of init_ok */
+  init_okHandle = osEventFlagsNew(&init_ok_attributes);
+
   /* USER CODE BEGIN RTOS_EVENTS */
-  /* add events, ... */
+
   /* USER CODE END RTOS_EVENTS */
+
 }
 
 /* USER CODE BEGIN Header_StartDefaultTask */
@@ -186,53 +205,37 @@ void MX_FREERTOS_Init(void) {
  * @retval None
  */
 /* USER CODE END Header_StartDefaultTask */
-void StartDefaultTask(void *argument) {
+void StartDefaultTask(void *argument)
+{
   /* USER CODE BEGIN StartDefaultTask */
-    Screen_Init();
+  Screen_Init();
 
-   Screen_DrawText16_GBK(1, 30, text_device_loading,text_device_loading_LEN, TEXT_COLOR);
-  // 初始化命令
-  uint8_t init_cmd1[] = {0x7E, 0xFF, 0x06, 0x06, 0x00,
-                         0x00, 0x1E, 0xFE, 0xD7, 0xEF}; // 开启声音
-  uint8_t init_cmd2[] = {0x7E, 0xFF, 0x06, 0x09, 0x00,
-                         0x00, 0x02, 0xFE, 0xF0, 0xEF}; // 指定播放设备为TF卡
+  Screen_DrawText16_GBK(1, 30, text_device_loading, text_device_loading_LEN,
+                        TEXT_COLOR);
+ 
 
-  // 定义测试指令数据
-  uint8_t test_cmd[] = {0x7E, 0xFF, 0x06, 0x12, 0x00,
-                        0x00, 0x01, 0xFE, 0xE8, 0xEF};
+    // 等待bit0+bit1+bit2都被设置（所有模块初始化完成）
+    uint32_t flags = osEventFlagsWait(
+        init_okHandle,          // 目标事件标志组
+        (1<<0)|(1<<1)|(1<<2)|(1<<3)|(1<<4),   // 要等待的bit位（多个用|拼接）
+        osFlagsWaitAll,         // 等待所有bit都被设置
+        osWaitForever           // 永久等待（直到满足条件）
+    );
+    
+    if(flags == ((1<<0)|(1<<1)|(1<<2)|(1<<3)|(1<<4))) {
+        Screen_ClearContent();
+        // 所有初始化完成，开始执行按摩逻辑
+        Screen_DrawText16V_GBK(1, 30, text_stop_massage, text_stop_massage_LEN, 15);
+    }
 
-  // 先让模块稳定
-  osDelay(2000);
-
-  // 初始化：先发送开启声音指令，再发送指定播放设备指令
-  HAL_UART_Transmit(&huart3, init_cmd1, sizeof(init_cmd1), 1000);
-  elog_d("MP3",
-         "发送的消息是：%02X %02X %02X %02X %02X %02X %02X %02X %02X %02X",
-         init_cmd1[0], init_cmd1[1], init_cmd1[2], init_cmd1[3], init_cmd1[4],
-         init_cmd1[5], init_cmd1[6], init_cmd1[7], init_cmd1[8], init_cmd1[9]);
-  osDelay(1500); // 重要：等待模块响应
-
-  HAL_UART_Transmit(&huart3, init_cmd2, sizeof(init_cmd2), 1000);
-  elog_d("MP3",
-         "发送的消息是：%02X %02X %02X %02X %02X %02X %02X %02X %02X %02X",
-         init_cmd2[0], init_cmd2[1], init_cmd2[2], init_cmd2[3], init_cmd2[4],
-         init_cmd2[5], init_cmd2[6], init_cmd2[7], init_cmd2[8], init_cmd2[9]);
-  osDelay(1500); // 重要：等待初始化完成
+    elog_d("Init","完成所有的初始化");
 
   /* Infinite loop */
   for (;;) {
-    // 直接整包发送测试指令
-    HAL_UART_Transmit(&huart3, test_cmd, sizeof(test_cmd), 1000);
-    // 把发送的数据打印出来
-    elog_d("mp3_cmd",
-           "发送测试指令: %02X %02X %02X %02X %02X %02X %02X %02X %02X %02X",
-           test_cmd[0], test_cmd[1], test_cmd[2], test_cmd[3], test_cmd[4],
-           test_cmd[5], test_cmd[6], test_cmd[7], test_cmd[8], test_cmd[9]);
+
     // 可选：等待发送完成
     // while(__HAL_UART_GET_FLAG(&huart3, UART_FLAG_TC) == RESET);
 
-    HAL_GPIO_TogglePin(RUN_LED_GPIO_Port, RUN_LED_Pin);
-
     osDelay(10000); // 延时1秒
   }
   /* USER CODE END StartDefaultTask */
@@ -245,8 +248,10 @@ void StartDefaultTask(void *argument) {
  * @retval None
  */
 /* USER CODE END Header_Key */
-void Key(void *argument) {
+void Key(void *argument)
+{
   /* USER CODE BEGIN Key */
+   elog_d("Init", "Key task started");
   /* 防抖轮询实现四个低电平有效按键检测 */
   GPIO_TypeDef *key_ports[4] = {M__KEY_GPIO_Port, M__KEYC7_GPIO_Port,
                                 HOT_KEY_GPIO_Port, TIME_KEY_GPIO_Port};
@@ -258,6 +263,8 @@ void Key(void *argument) {
   uint8_t pressed[4] = {0};
   const uint8_t THRESH = 3; /* 3 * 10ms = 30ms 防抖 */
 
+  osEventFlagsSet(init_okHandle, 1<<0); // 设置初始化完成标志
+
   for (;;) {
     for (int i = 0; i < 4; i++) {
       GPIO_PinState level = HAL_GPIO_ReadPin(key_ports[i], key_pins[i]);
@@ -289,9 +296,13 @@ void Key(void *argument) {
  * @retval None
  */
 /* USER CODE END Header_Sensor */
-void Sensor(void *argument) {
+void Sensor(void *argument)
+{
   /* USER CODE BEGIN Sensor */
+  elog_d("Init", "Sensor task started");
   /* 按键处理任务 - 按键状态切换控制 */
+  osEventFlagsSet(init_okHandle, 1<<1);
+
 
   /* Infinite loop */
   for (;;) {
@@ -349,12 +360,18 @@ void Sensor(void *argument) {
  * @retval None
  */
 /* USER CODE END Header_Motor */
-void Motor(void *argument) {
+void Motor(void *argument)
+{
   /* USER CODE BEGIN Motor */
+  elog_d("Init", "Motor task started");
 
   /* 电机驱动初始化 */
   Motor_Init();
 
+    osEventFlagsSet(init_okHandle, 1<<2);
+
+
+
   /* Infinite loop */
   for (;;) {
     /* 电机任务主要功能：
@@ -367,6 +384,7 @@ void Motor(void *argument) {
     uint8_t current_gear = Motor_GetGear();
     elog_i("Motor", "当前档位: %u (0=停止,1=低,2=中,3=高)", current_gear);
 
+    HAL_GPIO_TogglePin(RUN_LED_GPIO_Port, RUN_LED_Pin);
     osDelay(1000);
   }
   /* USER CODE END Motor */
@@ -379,18 +397,69 @@ void Motor(void *argument) {
  * @retval None
  */
 /* USER CODE END Header_Screen */
-void Screen(void *argument) {
+void Screen(void *argument)
+{
   /* USER CODE BEGIN Screen */
+  elog_d("Init", "Screen task started");
+
+  osEventFlagsSet(init_okHandle, 1<<3);
 
   // HAL_UART_Transmit(&huart1, (uint8_t *)buf, strlen(buf), HAL_MAX_DELAY);
   /* Infinite loop */
   for (;;) {
-
   }
   /* USER CODE END Screen */
 }
 
+/* USER CODE BEGIN Header_MP3 */
+
+
+
+
+/**
+* @brief Function implementing the MP3_Play_Task thread.
+* @param argument: Not used
+* @retval None
+*/
+/* USER CODE END Header_MP3 */
+void MP3(void *argument)
+{
+  /* USER CODE BEGIN MP3 */
+  elog_d("Init", "MP3 task started");
+  uint8_t init_cmd1[] = {0x7E, 0xFF, 0x06, 0x06, 0x00, 0x00, 0x1E, 0xFE, 0xD7, 0xEF}; // 开启声音
+    uint8_t init_cmd2[] = {0x7E, 0xFF, 0x06, 0x09, 0x00, 0x00, 0x02, 0xFE, 0xF0, 0xEF}; // TF卡
+    uint8_t play_cmd[]  = {0x7E, 0xFF, 0x06, 0x12, 0x00, 0x00, 0x01, 0xFE, 0xE8, 0xEF}; // 播放文件1
+
+
+
+    // 等待模块上电稳定
+    osDelay(2000);
+
+    // 发送初始化命令1，等待模块 ACK
+    HAL_UART_Transmit(&huart3, init_cmd1, sizeof(init_cmd1), 100);
+
+
+    // 发送初始化命令2
+    HAL_UART_Transmit(&huart3, init_cmd2, sizeof(init_cmd2), 100);
+
+
+    elog_i("MP3", "模块初始化完成");
+      osEventFlagsSet(init_okHandle, 1<<4);
+
+
+  /* Infinite loop */
+  for(;;)
+  {
+    // 发送播放命令
+        HAL_UART_Transmit(&huart3, play_cmd, sizeof(play_cmd), 100);
+
+    osDelay(10000);
+  }
+  /* USER CODE END MP3 */
+}
+
 /* Private application code --------------------------------------------------*/
 /* USER CODE BEGIN Application */
 
 /* USER CODE END Application */
+
diff --git a/Core/Src/gbk_text.c b/Core/Src/gbk_text.c
index 5c1e019..5b51c2b 100644
--- a/Core/Src/gbk_text.c
+++ b/Core/Src/gbk_text.c
@@ -4,25 +4,25 @@
 // 对应GBK编码：0xD6, 0xC7, 0xC4, 0xDC, 0xB0, 0xB4, 0xC4, 0xA6, 0xD2, 0xC7
 const uint8_t text_device_name_GBK[] = {0xD6, 0xC7, 0xC4, 0xDC, 0xB0, 0xB4, 0xC4, 0xA6, 0xD2, 0xC7};
 
-// 对应文本（UTF8）：设备加载中请稍候
-// 对应GBK编码：0xC9, 0xE8, 0xB1, 0xB8, 0xBC, 0xD3, 0xD4, 0xD8, 0xD6, 0xD0, 0xC7, 0xEB, 0xC9, 0xD4, 0xBA, 0xF2
-const uint8_t text_device_loading_GBK[] = {0xC9, 0xE8, 0xB1, 0xB8, 0xBC, 0xD3, 0xD4, 0xD8, 0xD6, 0xD0, 0xC7, 0xEB, 0xC9, 0xD4, 0xBA, 0xF2};
+// 对应文本（UTF8）：设备加载中，请稍候！
+// 对应GBK编码：0xC9, 0xE8, 0xB1, 0xB8, 0xBC, 0xD3, 0xD4, 0xD8, 0xD6, 0xD0, 0xA3, 0xAC, 0xC7, 0xEB, 0xC9, 0xD4, 0xBA, 0xF2, 0xA3, 0xA1
+const uint8_t text_device_loading_GBK[] = {0xC9, 0xE8, 0xB1, 0xB8, 0xBC, 0xD3, 0xD4, 0xD8, 0xD6, 0xD0, 0xA3, 0xAC, 0xC7, 0xEB, 0xC9, 0xD4, 0xBA, 0xF2, 0xA3, 0xA1};
 
-// 对应文本（UTF8）：开始按摩
-// 对应GBK编码：0xBF, 0xAA, 0xCA, 0xBC, 0xB0, 0xB4, 0xC4, 0xA6
-const uint8_t text_start_massage_GBK[] = {0xBF, 0xAA, 0xCA, 0xBC, 0xB0, 0xB4, 0xC4, 0xA6};
+// 对应文本（UTF8）：开始按摩！
+// 对应GBK编码：0xBF, 0xAA, 0xCA, 0xBC, 0xB0, 0xB4, 0xC4, 0xA6, 0xA3, 0xA1
+const uint8_t text_start_massage_GBK[] = {0xBF, 0xAA, 0xCA, 0xBC, 0xB0, 0xB4, 0xC4, 0xA6, 0xA3, 0xA1};
 
-// 对应文本（UTF8）：开始加热
-// 对应GBK编码：0xBF, 0xAA, 0xCA, 0xBC, 0xBC, 0xD3, 0xC8, 0xC8
-const uint8_t text_start_heating_GBK[] = {0xBF, 0xAA, 0xCA, 0xBC, 0xBC, 0xD3, 0xC8, 0xC8};
+// 对应文本（UTF8）：开始加热！
+// 对应GBK编码：0xBF, 0xAA, 0xCA, 0xBC, 0xBC, 0xD3, 0xC8, 0xC8, 0xA3, 0xA1
+const uint8_t text_start_heating_GBK[] = {0xBF, 0xAA, 0xCA, 0xBC, 0xBC, 0xD3, 0xC8, 0xC8, 0xA3, 0xA1};
 
-// 对应文本（UTF8）：停止按摩
-// 对应GBK编码：0xCD, 0xA3, 0xD6, 0xB9, 0xB0, 0xB4, 0xC4, 0xA6
-const uint8_t text_stop_massage_GBK[] = {0xCD, 0xA3, 0xD6, 0xB9, 0xB0, 0xB4, 0xC4, 0xA6};
+// 对应文本（UTF8）：停止按摩！
+// 对应GBK编码：0xCD, 0xA3, 0xD6, 0xB9, 0xB0, 0xB4, 0xC4, 0xA6, 0xA3, 0xA1
+const uint8_t text_stop_massage_GBK[] = {0xCD, 0xA3, 0xD6, 0xB9, 0xB0, 0xB4, 0xC4, 0xA6, 0xA3, 0xA1};
 
-// 对应文本（UTF8）：停止加热
-// 对应GBK编码：0xCD, 0xA3, 0xD6, 0xB9, 0xBC, 0xD3, 0xC8, 0xC8
-const uint8_t text_stop_heating_GBK[] = {0xCD, 0xA3, 0xD6, 0xB9, 0xBC, 0xD3, 0xC8, 0xC8};
+// 对应文本（UTF8）：停止加热！
+// 对应GBK编码：0xCD, 0xA3, 0xD6, 0xB9, 0xBC, 0xD3, 0xC8, 0xC8, 0xA3, 0xA1
+const uint8_t text_stop_heating_GBK[] = {0xCD, 0xA3, 0xD6, 0xB9, 0xBC, 0xD3, 0xC8, 0xC8, 0xA3, 0xA1};
 
 // 对应文本（UTF8）：按摩档位：1级
 // 对应GBK编码：0xB0, 0xB4, 0xC4, 0xA6, 0xB5, 0xB5, 0xCE, 0xBB, 0xA3, 0xBA, 0x31, 0xBC, 0xB6
@@ -60,23 +60,23 @@ const uint8_t text_massage_time_cont_GBK[] = {0xB0, 0xB4, 0xC4, 0xA6, 0xCA, 0xB1
 // 对应GBK编码：0xCA, 0xA3, 0xD3, 0xE0, 0xB0, 0xB4, 0xC4, 0xA6, 0xCA, 0xB1, 0xBC, 0xE4, 0xCE, 0xAA, 0xA3, 0xBA, 0x25, 0x64
 const uint8_t text_remaining_time_GBK[] = {0xCA, 0xA3, 0xD3, 0xE0, 0xB0, 0xB4, 0xC4, 0xA6, 0xCA, 0xB1, 0xBC, 0xE4, 0xCE, 0xAA, 0xA3, 0xBA, 0x25, 0x64};
 
-// 对应文本（UTF8）：加热已开启
-// 对应GBK编码：0xBC, 0xD3, 0xC8, 0xC8, 0xD2, 0xD1, 0xBF, 0xAA, 0xC6, 0xF4
-const uint8_t text_heating_on_GBK[] = {0xBC, 0xD3, 0xC8, 0xC8, 0xD2, 0xD1, 0xBF, 0xAA, 0xC6, 0xF4};
+// 对应文本（UTF8）：加热已开启！
+// 对应GBK编码：0xBC, 0xD3, 0xC8, 0xC8, 0xD2, 0xD1, 0xBF, 0xAA, 0xC6, 0xF4, 0xA3, 0xA1
+const uint8_t text_heating_on_GBK[] = {0xBC, 0xD3, 0xC8, 0xC8, 0xD2, 0xD1, 0xBF, 0xAA, 0xC6, 0xF4, 0xA3, 0xA1};
 
-// 对应文本（UTF8）：加热已关闭
-// 对应GBK编码：0xBC, 0xD3, 0xC8, 0xC8, 0xD2, 0xD1, 0xB9, 0xD8, 0xB1, 0xD5
-const uint8_t text_heating_off_GBK[] = {0xBC, 0xD3, 0xC8, 0xC8, 0xD2, 0xD1, 0xB9, 0xD8, 0xB1, 0xD5};
+// 对应文本（UTF8）：加热已关闭！
+// 对应GBK编码：0xBC, 0xD3, 0xC8, 0xC8, 0xD2, 0xD1, 0xB9, 0xD8, 0xB1, 0xD5, 0xA3, 0xA1
+const uint8_t text_heating_off_GBK[] = {0xBC, 0xD3, 0xC8, 0xC8, 0xD2, 0xD1, 0xB9, 0xD8, 0xB1, 0xD5, 0xA3, 0xA1};
 
-// 对应文本（UTF8）：按摩中
-// 对应GBK编码：0xB0, 0xB4, 0xC4, 0xA6, 0xD6, 0xD0
-const uint8_t text_massage_running_GBK[] = {0xB0, 0xB4, 0xC4, 0xA6, 0xD6, 0xD0};
+// 对应文本（UTF8）：按摩中！
+// 对应GBK编码：0xB0, 0xB4, 0xC4, 0xA6, 0xD6, 0xD0, 0xA3, 0xA1
+const uint8_t text_massage_running_GBK[] = {0xB0, 0xB4, 0xC4, 0xA6, 0xD6, 0xD0, 0xA3, 0xA1};
 
-// 对应文本（UTF8）：按摩已暂停
-// 对应GBK编码：0xB0, 0xB4, 0xC4, 0xA6, 0xD2, 0xD1, 0xD4, 0xDD, 0xCD, 0xA3
-const uint8_t text_massage_paused_GBK[] = {0xB0, 0xB4, 0xC4, 0xA6, 0xD2, 0xD1, 0xD4, 0xDD, 0xCD, 0xA3};
+// 对应文本（UTF8）：按摩已暂停！
+// 对应GBK编码：0xB0, 0xB4, 0xC4, 0xA6, 0xD2, 0xD1, 0xD4, 0xDD, 0xCD, 0xA3, 0xA3, 0xA1
+const uint8_t text_massage_paused_GBK[] = {0xB0, 0xB4, 0xC4, 0xA6, 0xD2, 0xD1, 0xD4, 0xDD, 0xCD, 0xA3, 0xA3, 0xA1};
 
-// 对应文本（UTF8）：按摩已结束
-// 对应GBK编码：0xB0, 0xB4, 0xC4, 0xA6, 0xD2, 0xD1, 0xBD, 0xE1, 0xCA, 0xF8
-const uint8_t text_massage_ended_GBK[] = {0xB0, 0xB4, 0xC4, 0xA6, 0xD2, 0xD1, 0xBD, 0xE1, 0xCA, 0xF8};
+// 对应文本（UTF8）：按摩已结束！
+// 对应GBK编码：0xB0, 0xB4, 0xC4, 0xA6, 0xD2, 0xD1, 0xBD, 0xE1, 0xCA, 0xF8, 0xA3, 0xA1
+const uint8_t text_massage_ended_GBK[] = {0xB0, 0xB4, 0xC4, 0xA6, 0xD2, 0xD1, 0xBD, 0xE1, 0xCA, 0xF8, 0xA3, 0xA1};
 
diff --git a/Core/Src/screen.c b/Core/Src/screen.c
index 0caf853..b475005 100644
--- a/Core/Src/screen.c
+++ b/Core/Src/screen.c
@@ -15,6 +15,7 @@
 #include <string.h>
 #include <stdint.h>
 #include "gbk_text.h"
+#include "elog.h"
 
 /* 发送缓冲 */
 static uint8_t txbuf[512];
@@ -320,4 +321,17 @@ void Screen_Ver(void)
     uint16_t p=0;
     p=buf_str(p,"VER();\r\n");
     send_buf(p);
-}
\ No newline at end of file
+}
+
+/**
+ * @brief  清除内容区（保留标题和边框）
+ * @note   假设屏幕分辨率 128x128，标题高度28像素，边框占1像素
+ */
+void Screen_ClearContent(void)
+{
+     elog_i("Screen", "Clearing screen content...");
+    // 内容区域坐标：
+    // 左上角 x=1, y=28（标题下方一行）
+    // 右下角 x=126, y=127（屏幕右下角）
+    Screen_BoxFill(1, 28, 126, 127, BG_COLOR);
+}
diff --git a/Core/Src/stm32f1xx_it.c b/Core/Src/stm32f1xx_it.c
index abfd5ba..45a30ce 100644
--- a/Core/Src/stm32f1xx_it.c
+++ b/Core/Src/stm32f1xx_it.c
@@ -55,6 +55,7 @@
 /* USER CODE END 0 */
 
 /* External variables --------------------------------------------------------*/
+extern UART_HandleTypeDef huart3;
 extern TIM_HandleTypeDef htim8;
 
 /* USER CODE BEGIN EV */
@@ -159,6 +160,20 @@ void DebugMon_Handler(void)
 /* please refer to the startup file (startup_stm32f1xx.s).                    */
 /******************************************************************************/
 
+/**
+  * @brief This function handles USART3 global interrupt.
+  */
+void USART3_IRQHandler(void)
+{
+  /* USER CODE BEGIN USART3_IRQn 0 */
+
+  /* USER CODE END USART3_IRQn 0 */
+  HAL_UART_IRQHandler(&huart3);
+  /* USER CODE BEGIN USART3_IRQn 1 */
+
+  /* USER CODE END USART3_IRQn 1 */
+}
+
 /**
   * @brief This function handles TIM8 update interrupt.
   */
diff --git a/Core/Src/usart.c b/Core/Src/usart.c
index fc8b0d9..39d06eb 100644
--- a/Core/Src/usart.c
+++ b/Core/Src/usart.c
@@ -197,6 +197,9 @@ void HAL_UART_MspInit(UART_HandleTypeDef* uartHandle)
     GPIO_InitStruct.Pull = GPIO_NOPULL;
     HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
 
+    /* USART3 interrupt Init */
+    HAL_NVIC_SetPriority(USART3_IRQn, 5, 0);
+    HAL_NVIC_EnableIRQ(USART3_IRQn);
   /* USER CODE BEGIN USART3_MspInit 1 */
 
   /* USER CODE END USART3_MspInit 1 */
@@ -258,6 +261,8 @@ void HAL_UART_MspDeInit(UART_HandleTypeDef* uartHandle)
     */
     HAL_GPIO_DeInit(GPIOB, GPIO_PIN_10|GPIO_PIN_11);
 
+    /* USART3 interrupt Deinit */
+    HAL_NVIC_DisableIRQ(USART3_IRQn);
   /* USER CODE BEGIN USART3_MspDeInit 1 */
 
   /* USER CODE END USART3_MspDeInit 1 */
diff --git a/Development_Docs/Serial_Screen_Docs/UTF8-GBK/text_utf8.txt b/Development_Docs/Serial_Screen_Docs/UTF8-GBK/text_utf8.txt
index 0d1c2d7..e699196 100644
--- a/Development_Docs/Serial_Screen_Docs/UTF8-GBK/text_utf8.txt
+++ b/Development_Docs/Serial_Screen_Docs/UTF8-GBK/text_utf8.txt
@@ -1,10 +1,10 @@
 # 按摩仪核心文本
 text_device_name=智能按摩仪
-text_device_loading=设备加载中请稍候
-text_start_massage=开始按摩
-text_start_heating=开始加热
-text_stop_massage=停止按摩
-text_stop_heating=停止加热
+text_device_loading=设备加载中，请稍候！
+text_start_massage=开始按摩！
+text_start_heating=开始加热！
+text_stop_massage=停止按摩！
+text_stop_heating=停止加热！
 text_massage_gear_1=按摩档位：1级
 text_massage_gear_2=按摩档位：2级
 text_massage_gear_3=按摩档位：3级
@@ -16,8 +16,8 @@ text_massage_time_cont=按摩时间：持续
 text_remaining_time=剩余按摩时间为：%d
 
 # 补充辅助文本）
-text_heating_on=加热已开启
-text_heating_off=加热已关闭
-text_massage_running=按摩中
-text_massage_paused=按摩已暂停
-text_massage_ended=按摩已结束
+text_heating_on=加热已开启！
+text_heating_off=加热已关闭！
+text_massage_running=按摩中！
+text_massage_paused=按摩已暂停！
+text_massage_ended=按摩已结束！
diff --git a/anmo.ioc b/anmo.ioc
index a9d4f1f..3a431e3 100644
--- a/anmo.ioc
+++ b/anmo.ioc
@@ -2,9 +2,10 @@
 CAD.formats=
 CAD.pinconfig=
 CAD.provider=
+FREERTOS.Events01=init_ok,Dynamic,NULL
 FREERTOS.FootprintOK=true
-FREERTOS.IPParameters=Tasks01,FootprintOK,configTOTAL_HEAP_SIZE
-FREERTOS.Tasks01=defaultTask,24,128,StartDefaultTask,Default,NULL,Dynamic,NULL,NULL;KeyTask,48,512,Key,Default,NULL,Dynamic,NULL,NULL;Sensor_Task,47,512,Sensor,Default,NULL,Dynamic,NULL,NULL;Motor_Task,25,512,Motor,Default,NULL,Dynamic,NULL,NULL;Screen_Tsak,24,1024,Screen,Default,NULL,Dynamic,NULL,NULL
+FREERTOS.IPParameters=Tasks01,FootprintOK,configTOTAL_HEAP_SIZE,Events01
+FREERTOS.Tasks01=defaultTask,24,128,StartDefaultTask,Default,NULL,Dynamic,NULL,NULL;KeyTask,48,512,Key,Default,NULL,Dynamic,NULL,NULL;Sensor_Task,47,512,Sensor,Default,NULL,Dynamic,NULL,NULL;Motor_Task,25,512,Motor,Default,NULL,Dynamic,NULL,NULL;Screen_Tsak,24,1024,Screen,Default,NULL,Dynamic,NULL,NULL;MP3_Play_Task,24,512,MP3,Default,NULL,Dynamic,NULL,NULL
 FREERTOS.configTOTAL_HEAP_SIZE=15000
 File.Version=6
 GPIO.groupedBy=Group By Peripherals
@@ -68,6 +69,7 @@ NVIC.SysTick_IRQn=true\:15\:0\:false\:false\:false\:true\:false\:true\:false
 NVIC.TIM8_UP_IRQn=true\:15\:0\:false\:false\:true\:false\:false\:true\:true
 NVIC.TimeBase=TIM8_UP_IRQn
 NVIC.TimeBaseIP=TIM8
+NVIC.USART3_IRQn=true\:5\:0\:false\:false\:true\:true\:true\:true\:true
 NVIC.UsageFault_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false\:false
 PA10.Locked=true
 PA10.Mode=Asynchronous