diff --git a/src/bsp/Inc/bsp_uart.h b/src/bsp/Inc/bsp_uart.h
index 13d2c60..751a76c 100644
--- a/src/bsp/Inc/bsp_uart.h
+++ b/src/bsp/Inc/bsp_uart.h
@@ -16,6 +16,6 @@ typedef struct _UART_Instance
 } UART_Instance_t;
 
 void UART_Service_Init(UART_Instance_t *uart_insatce);
-UART_Instance_t *UART_Register(UART_HandleTypeDef *huart, uint8_t *rx_buffer, uint8_t rx_buffer_size, void (*callback)(UART_Instance_t *uart_instance)); 
+UART_Instance_t *UART_Register(UART_HandleTypeDef *huart, uint8_t *rx_buffer, uint16_t rx_buffer_size, void (*callback)(UART_Instance_t *uart_instance)); 
 HAL_StatusTypeDef UART_Transmit(UART_Instance_t *uart_instance, uint8_t *tx_buffer, uint16_t tx_buffer_size, uint8_t send_type);
 #endif // BSP_UART_H
\ No newline at end of file
diff --git a/src/bsp/Src/bsp_uart.c b/src/bsp/Src/bsp_uart.c
index 34b5d84..95ae810 100644
--- a/src/bsp/Src/bsp_uart.c
+++ b/src/bsp/Src/bsp_uart.c
@@ -41,7 +41,7 @@ void UART_Service_Init(UART_Instance_t *uart_insatce)
  * @param rx_buffer_size size of the buffer
  * @param callback callback function when UART receive is complete
 */
-UART_Instance_t *UART_Register(UART_HandleTypeDef *huart, uint8_t *rx_buffer, uint8_t rx_buffer_size, void (*callback)(UART_Instance_t *uart_instance))
+UART_Instance_t *UART_Register(UART_HandleTypeDef *huart, uint8_t *rx_buffer, uint16_t rx_buffer_size, void (*callback)(UART_Instance_t *uart_instance))
 {
     UART_Instance_t *uart_instance = (UART_Instance_t *)malloc(sizeof(UART_Instance_t));
     uart_instance->uart_handle = huart;
diff --git a/src/devices/inc/referee_system.h b/src/devices/inc/referee_system.h
index 1f44197..6c11c4f 100644
--- a/src/devices/inc/referee_system.h
+++ b/src/devices/inc/referee_system.h
@@ -2,31 +2,22 @@
  * @file Referee_System.h
  * @author Leo Liu
  * @brief header file for referee system
- * @version 1.0
- * @date 2022-07-19
- * 
- * @copyright Copyright (c) 2022
- * 
+ * @version 1.1
+ * @date 2024-04-04
+ *
+ * @copyright Copyright (c) 2024
+ *
  */
 
 #ifndef __REFEREE_SYSTEM_H
 #define __REFEREE_SYSTEM_H
 
 #include "bsp_crc.h"
-#include "dma.h"
-#include "usart.h"
+#include "bsp_uart.h"
 #include <stdint.h>
 #include <stdbool.h>
 
-#define Referee_System_Func_GroundInit	\
-{																				\
-		&Referee_UART_Receive_Interrupt,		\
-				&Referee_System_Handler,				\
-				&Referee_Get_Data,							\
-				&Referee_Set_Robot_State,				\
-}
-
-//Standard Confrontation
+// Standard Confrontation
 #define V1_STANDARD_POWER_MAX 120
 #define V1_STANDARD_HP_MAX 200
 #define V1_STANDARD_BULLET_SPEED_MAX 18
@@ -39,7 +30,7 @@
 #define V1_SBR_HEAT_MAX 280
 #define V1_SBR_COOLING_RATE 50
 
-//3V3 Confrontation
+// 3V3 Confrontation
 #define V3_POWER_FOCUSED_LV1_HP_MAX 150
 #define V3_POWER_FOCUSED_LV1_POWER_MAX 60
 #define V3_POWER_FOCUSED_LV2_HP_MAX 200
@@ -91,164 +82,162 @@
 #define V3_BULLET_SPEED_FOCUSED_V3_COOLING_RATE 35
 #define V3_BULLET_SPEED_FOCUSED_V3_BULLET_SPEED_MAX 30
 
+// Referee System Communication Definition
+#define REFEREE_BUFFER_LEN 389u			// Buffer length to receive all data
+#define REFEREE_FRAME_HEADER_START 0xA5 // Frame header
+#define REFEREE_FRAME_HEADER_LEN 5		// Frame header length
+#define REFEREE_ID_LEN 2				// ID length
+#define REFEREE_FRAME_TAIL_LEN 2		// Frame tail length
 
-//Referee System Communication Definition
-#define REFEREE_BUFFER_LEN 												 389u					//Buffer length to receive all data
-#define REFEREE_FRAME_HEADER_START 								 0xA5 				//Frame header
-#define REFEREE_FRAME_HEADER_LEN 									 5 						//Frame header length
-#define REFEREE_ID_LEN 														 2						//ID length
-#define REFEREE_FRAME_TAIL_LEN 										 2 						//Frame tail length
-
-#define REFEREE_OFFSET_SOF         								 0  					//SOF offset
-#define REFEREE_OFFSET_DATA_LENGTH 								 1  					//Data length offset
-#define REFEREE_OFFSET_SEQ         								 3  					//SEQ offset
-#define REFEREE_OFFSET_CRC8        								 4  					//CRC offset
-
-#define       REFEREE_GAME_STATUS	              	 0x0001 
-#define       REFEREE_GAME_RESULT              		 0x0002 
-#define       REFEREE_ROBOT_HP                     0x0003 
-#define       REFEREE_DART_LAUNCH                  0x0004
-#define       REFEREE_AI_CHALLENGEBUFF             0x0005
-#define       REFEREE_EVENT_DATA                   0x0101
-#define       REFEREE_SUPPLY_STATION               0x0102
-//#define       REFEREE_REQUEST_RECHARGE             0x0103
-#define       REFEREE_REFEREE_WARNING              0x0104
-#define       REFEREE_DART_COUNTDOWN               0x0105
-#define       REFEREE_ROBOT_STATE                  0x0201
-#define       REFEREE_POWER_HEAT                   0x0202
-#define       REFEREE_ROBOT_POSITION               0x0203
-#define       REFEREE_ROBOT_BUFF                   0x0204
-#define       REFEREE_AERIAL_ENERGY                0x0205
-#define       REFEREE_INJURY_STATE                 0x0206
-#define       REFEREE_SHOOTER_STATE                0x0207
-#define       REFEREE_REMAINING_AMMO             	 0x0208
-#define       REFEREE_ROBOT_RFID                   0x0209
-#define       REFEREE_DART_CLIENT                  0x020A
-#define       REFEREE_ROBOT_COMMUNICATE            0x0301
-#define       REFEREE_USER_DEFINED                 0x0302
+#define REFEREE_OFFSET_SOF 0		 // SOF offset
+#define REFEREE_OFFSET_DATA_LENGTH 1 // Data length offset
+#define REFEREE_OFFSET_SEQ 3		 // SEQ offset
+#define REFEREE_OFFSET_CRC8 4		 // CRC offset
 
+#define REFEREE_GAME_STATUS 0x0001
+#define REFEREE_GAME_RESULT 0x0002
+#define REFEREE_ROBOT_HP 0x0003
+#define REFEREE_DART_LAUNCH 0x0004
+#define REFEREE_AI_CHALLENGEBUFF 0x0005
+#define REFEREE_EVENT_DATA 0x0101
+#define REFEREE_SUPPLY_STATION 0x0102
+// #define       REFEREE_REQUEST_RECHARGE             0x0103
+#define REFEREE_REFEREE_WARNING 0x0104
+#define REFEREE_DART_COUNTDOWN 0x0105
+#define REFEREE_ROBOT_STATE 0x0201
+#define REFEREE_POWER_HEAT 0x0202
+#define REFEREE_ROBOT_POSITION 0x0203
+#define REFEREE_ROBOT_BUFF 0x0204
+#define REFEREE_AERIAL_ENERGY 0x0205
+#define REFEREE_INJURY_STATE 0x0206
+#define REFEREE_SHOOTER_STATE 0x0207
+#define REFEREE_REMAINING_AMMO 0x0208
+#define REFEREE_ROBOT_RFID 0x0209
+#define REFEREE_DART_CLIENT 0x020A
+#define REFEREE_ROBOT_COMMUNICATE 0x0301
+#define REFEREE_USER_DEFINED 0x0302
 
 /*Calculation: REFEREE_FRAME_HEADER_LEN(5-byte) + REFEREE_ID_LEN(2-byte) + DATA(n-byte) + REFEREE_FRAME_TAIL_LEN(2-byte,CRC16)*/
-#define       REFEREE_GAME_STATUS_LEN	             20
-#define       REFEREE_GAME_RESULT_LEN              10 
-#define       REFEREE_ROBOT_HP_LEN                 41 
-#define       REFEREE_DART_LAUNCH_LEN              12
-#define       REFEREE_AI_CHALLENGEBUFF_LEN         20
-#define       REFEREE_EVENT_DATA_LEN               13
-#define       REFEREE_SUPPLY_STATION_LEN           13
-//#define       REFEREE_REQUEST_RECHARGE_LEN         11
-#define       REFEREE_REFEREE_WARNING_LEN          11
-#define       REFEREE_DART_COUNTDOWN_LEN           10	
-#define       REFEREE_ROBOT_STATE_LEN              36
-#define       REFEREE_POWER_HEAT_LEN               25
-#define       REFEREE_ROBOT_POSITION_LEN           25
-#define       REFEREE_ROBOT_BUFF_LEN               10
-#define       REFEREE_AERIAL_ENERGY_LEN            10
-#define       REFEREE_INJURY_STATE_LEN             10
-#define       REFEREE_SHOOTER_STATE_LEN            16
-#define       REFEREE_REMAINING_AMMO_LEN           15
-#define       REFEREE_ROBOT_RFID_LEN               13
-#define       REFEREE_DART_CLIENT_LEN              21
-#define       REFEREE_ROBOT_COMMUNICATE_LEN        35
-#define       REFEREE_USER_DEFINED_LEN             26
+#define REFEREE_GAME_STATUS_LEN 20
+#define REFEREE_GAME_RESULT_LEN 10
+#define REFEREE_ROBOT_HP_LEN 41
+#define REFEREE_DART_LAUNCH_LEN 12
+#define REFEREE_AI_CHALLENGEBUFF_LEN 20
+#define REFEREE_EVENT_DATA_LEN 13
+#define REFEREE_SUPPLY_STATION_LEN 13
+// #define       REFEREE_REQUEST_RECHARGE_LEN         11
+#define REFEREE_REFEREE_WARNING_LEN 11
+#define REFEREE_DART_COUNTDOWN_LEN 10
+#define REFEREE_ROBOT_STATE_LEN 36
+#define REFEREE_POWER_HEAT_LEN 25
+#define REFEREE_ROBOT_POSITION_LEN 25
+#define REFEREE_ROBOT_BUFF_LEN 10
+#define REFEREE_AERIAL_ENERGY_LEN 10
+#define REFEREE_INJURY_STATE_LEN 10
+#define REFEREE_SHOOTER_STATE_LEN 16
+#define REFEREE_REMAINING_AMMO_LEN 15
+#define REFEREE_ROBOT_RFID_LEN 13
+#define REFEREE_DART_CLIENT_LEN 21
+#define REFEREE_ROBOT_COMMUNICATE_LEN 35
+#define REFEREE_USER_DEFINED_LEN 26
 
 typedef struct
 {
-	uint8_t Game_Type; //1 for 7v7, 4 for 3v3, 5 for 1v1
-	uint8_t ID; //3,4,5 Red Standard - 103,104,105 Blue Standard
+	uint8_t Game_Type; // 1 for 7v7, 4 for 3v3, 5 for 1v1
+	uint8_t ID;		   // 3,4,5 Red Standard - 103,104,105 Blue Standard
 	uint8_t Level;
-	
+
 	uint16_t Cooling_Rate;
 	uint16_t Heat_Max;
 	uint16_t Bullet_Speed_Max;
 	uint16_t Chassis_Power_Max;
-	
+
 	float Chassis_Power;
 	float Power_Buffer;
 	uint16_t Shooter_Heat;
 	uint8_t Shooting_Frequency;
 	float Shooting_Speed;
-}Referee_Robot_State_t;
+} Referee_Robot_State_t;
 
 typedef struct
 {
 	UART_HandleTypeDef *huart;
 	uint16_t DMA_Counter;
 	uint8_t Buffer[REFEREE_BUFFER_LEN];
-	
-	struct __attribute__ ((__packed__))
+
+	struct __attribute__((__packed__))
 	{
 		uint8_t Type;
 		uint8_t Progress;
 		uint16_t Remaining_Time;
 		uint64_t Sync_Time_Stamp;
-	}Game_Status;
-	
-	struct __attribute__ ((__packed__))
+	} Game_Status;
+
+	struct __attribute__((__packed__))
 	{
 		uint8_t Winner;
-	}Game_Result;
-	
-	struct __attribute__ ((__packed__))
+	} Game_Result;
+
+	struct __attribute__((__packed__))
 	{
-		uint16_t Red_1_HP;   
-		uint16_t Red_2_HP;  
-		uint16_t Red_3_HP;  
-		uint16_t Red_4_HP;  
-		uint16_t Red_5_HP;  
-		uint16_t Red_6_HP;  
-		uint16_t Red_7_HP;  
-		uint16_t Red_Outpost_HP; 
-		uint16_t Red_Base_HP; 
-		
-		uint16_t Blue_1_HP;   
-		uint16_t Blue_2_HP;   
-		uint16_t Blue_3_HP;   
-		uint16_t Blue_4_HP;   
-		uint16_t Blue_5_HP;   
-		uint16_t Blue_6_HP;   
-		uint16_t Blue_7_HP; 
-		uint16_t Blue_Outpost_HP; 
-		uint16_t Blue_Base_HP;   
-	}Alive_Robot;
-	
-	struct __attribute__ ((__packed__))
+		uint16_t Red_1_HP;
+		uint16_t Red_2_HP;
+		uint16_t Red_3_HP;
+		uint16_t Red_4_HP;
+		uint16_t Red_5_HP;
+		uint16_t Red_6_HP;
+		uint16_t Red_7_HP;
+		uint16_t Red_Outpost_HP;
+		uint16_t Red_Base_HP;
+
+		uint16_t Blue_1_HP;
+		uint16_t Blue_2_HP;
+		uint16_t Blue_3_HP;
+		uint16_t Blue_4_HP;
+		uint16_t Blue_5_HP;
+		uint16_t Blue_6_HP;
+		uint16_t Blue_7_HP;
+		uint16_t Blue_Outpost_HP;
+		uint16_t Blue_Base_HP;
+	} Alive_Robot;
+
+	struct __attribute__((__packed__))
 	{
 		uint32_t Type;
-	}Event;
-	
-	struct __attribute__ ((__packed__))
+	} Event;
+
+	struct __attribute__((__packed__))
 	{
 		uint8_t Card;
 		uint8_t Foul_Robot_ID;
-	}Warning;
-	
-	struct __attribute__ ((__packed__))
+	} Warning;
+
+	struct __attribute__((__packed__))
 	{
 		uint8_t ID;
 		uint8_t Level;
 		uint16_t Remaining_HP;
 		uint16_t HP_Max;
-		
+
 		uint16_t Shooter_1_Cooling_Rate_17mm;
 		uint16_t Shooter_1_Heat_Max_17mm;
 		uint16_t Shooter_1_Speed_Limit_17mm;
-		
+
 		uint16_t Shooter_2_Cooling_Rate_17mm;
 		uint16_t Shooter_2_Heat_Max_17mm;
 		uint16_t Shooter_2_Speed_Limit_17mm;
-		
+
 		uint16_t Shooter_Cooling_Rate_42mm;
 		uint16_t Shooter_Heat_Max_42mm;
 		uint16_t Shooter_Speed_Limit_42mm;
-		
-		uint16_t Chassis_Power_Max;	
-		uint8_t Gimbal_Power_Output:1;
-		uint8_t Chassis_Power_Output:1;
-		uint8_t Shooter_Power_Output:1;
-	}Robot_State;
-	
-	struct __attribute__ ((__packed__))
+
+		uint16_t Chassis_Power_Max;
+		uint8_t Gimbal_Power_Output : 1;
+		uint8_t Chassis_Power_Output : 1;
+		uint8_t Shooter_Power_Output : 1;
+	} Robot_State;
+
+	struct __attribute__((__packed__))
 	{
 		uint16_t Chassis_Voltage;
 		uint16_t Chassis_Current;
@@ -257,47 +246,47 @@ typedef struct
 		uint16_t Shooter_1_Heat;
 		uint16_t Shooter_2_Heat;
 		uint16_t Mobile_Shooter_Heat;
-	}Power_n_Heat;
-	
-	struct __attribute__ ((__packed__))
+	} Power_n_Heat;
+
+	struct __attribute__((__packed__))
 	{
 		float x;
 		float y;
 		float z;
 		float Yaw;
-	}Location;
-	
-	struct __attribute__ ((__packed__))
+	} Location;
+
+	struct __attribute__((__packed__))
 	{
 		uint8_t Buff;
-	}Robot_Buff;
-	
-	struct __attribute__ ((__packed__))
+	} Robot_Buff;
+
+	struct __attribute__((__packed__))
 	{
 		uint8_t Armor_ID;
 		uint8_t Type;
-	}Damage;
-	
-	struct __attribute__ ((__packed__))
+	} Damage;
+
+	struct __attribute__((__packed__))
 	{
 		uint8_t Ammo_Type;
 		uint8_t Shooter_Type;
 		uint8_t Frequency;
 		float Speed;
-	}Shooter;
-	
-	struct __attribute__ ((__packed__))
+	} Shooter;
+
+	struct __attribute__((__packed__))
 	{
 		uint16_t Type_17mm;
 		uint16_t Type_42mm;
 		uint16_t Type_Gold;
-	}Remaining_Ammo;
-	
-	struct __attribute__ ((__packed__))
+	} Remaining_Ammo;
+
+	struct __attribute__((__packed__))
 	{
 		uint32_t State;
-	}RFID;
-		
+	} RFID;
+
 	uint16_t Info_Update_Frame;
 	uint8_t Offline_Flag;
 } Referee_System_t;
diff --git a/src/devices/src/referee_system.c b/src/devices/src/referee_system.c
index 6c0ab00..f403ca3 100644
--- a/src/devices/src/referee_system.c
+++ b/src/devices/src/referee_system.c
@@ -1,21 +1,24 @@
 /**
  * @file Referee_System.c
- * @author Leo Liu
+ * @author Leo Liu, Jia Xie
  * @brief reading data from the referee system
- * @version 1.0
- * @date 2022-07-19
- *
- * @copyright Copyright (c) 2022
+ * @version 1.1
+ * @date 2024-04-04
  *
+ * @copyright Copyright (c) 2024
  */
 #include "referee_system.h"
 #include "usart.h"
+#include "bsp_uart.h"
+#include "bsp_daemon.h"
+
+#define REFEREE_SYSTEM_TIMEOUT_MS (3000)
 
 Referee_System_t Referee_System;
 Referee_Robot_State_t Referee_Robot_State;
 
-void Referee_Get_Data(void);
-void Referee_Set_Robot_State(void);
+UART_Instance_t *g_referee_system_uart_ptr;
+Daemon_Instance_t *g_referee_system_daemon_ptr;
 
 void Referee_Set_Robot_State(void)
 {
@@ -71,14 +74,8 @@ void Referee_Set_Robot_State(void)
     // }
 }
 
-void Referee_System_Init(UART_HandleTypeDef *huart)
-{
-    Referee_System.huart = huart;
-    HAL_UART_Receive_DMA(huart, Referee_System.Buffer, REFEREE_BUFFER_LEN);
-}
-
 // Get referee system data based on ID
-void Referee_Get_Data(void)
+void Referee_System_Decode(void)
 {
     for (int n = 0; n < REFEREE_BUFFER_LEN;)
     {
@@ -211,4 +208,23 @@ void Referee_Get_Data(void)
         else
             n++;
     }
-}
\ No newline at end of file
+}
+
+void Referee_System_Rx_Callback(UART_Instance_t *uart_instance)
+{
+    Referee_System_Decode();
+    Referee_Set_Robot_State();
+}
+
+void Referee_System_Timeout_Callback()
+{
+    UART_Service_Init(g_referee_system_uart_ptr);
+}
+
+void Referee_System_Init(UART_HandleTypeDef *huart)
+{
+    g_referee_system_uart_ptr = UART_Register(huart, Referee_System.Buffer, REFEREE_BUFFER_LEN, Referee_System_Rx_Callback);
+    uint16_t reload_value = REFEREE_SYSTEM_TIMEOUT_MS / DAEMON_PERIOD;
+    uint16_t initial_counter = reload_value;
+    g_referee_system_daemon_ptr = Daemon_Register(reload_value, initial_counter, Referee_System_Timeout_Callback);
+}