diff --git a/.vscode/settings.json b/.vscode/settings.json
index b95b67e..967911d 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -48,6 +48,7 @@
         "stdio.h": "c",
         "segger_rtt_conf.h": "c",
         "segger_rtt.h": "c",
-        "bsp_log.h": "c"
+        "bsp_log.h": "c",
+        "referee.h": "c"
     }
 }
\ No newline at end of file
diff --git a/bsp/bsp_usart.c b/bsp/bsp_usart.c
index e33b0e7..c473608 100644
--- a/bsp/bsp_usart.c
+++ b/bsp/bsp_usart.c
@@ -66,6 +66,7 @@ void HAL_UARTEx_RxEventCallback(UART_HandleTypeDef *huart, uint16_t Size)
         if (huart == instance[i]->usart_handle)
         {
             instance[i]->module_callback();
+            memset(instance[i]->recv_buff,0,instance[i]->recv_buff_size);
             HAL_UARTEx_ReceiveToIdle_DMA(instance[i]->usart_handle, instance[i]->recv_buff, instance[i]->recv_buff_size);
             __HAL_DMA_DISABLE_IT(instance[i]->usart_handle->hdmarx, DMA_IT_HT);
             break;
diff --git a/bsp/bsp_usart.h b/bsp/bsp_usart.h
index 035500a..c70b925 100644
--- a/bsp/bsp_usart.h
+++ b/bsp/bsp_usart.h
@@ -5,7 +5,7 @@
 #include "main.h"
 
 #define DEVICE_USART_CNT 3     // C板至多分配3个串口
-#define USART_RXBUFF_LIMIT 512 // if your protocol needs bigger buff, modify here
+#define USART_RXBUFF_LIMIT 256 // if your protocol needs bigger buff, modify here
 
 /* application callback,which resolves specific protocol,解析协议的回调函数 */
 typedef void (*usart_module_callback)();
diff --git a/modules/referee/referee.c b/modules/referee/referee.c
index a7a5f36..df38ea4 100644
--- a/modules/referee/referee.c
+++ b/modules/referee/referee.c
@@ -126,6 +126,7 @@ bool_t Judge_Read_Data(uint8_t *ReadFromUsart)
 		{
 			//如果一个数据包出现了多帧数据,则再次读取
 			Judge_Read_Data(ReadFromUsart + sizeof(xFrameHeader) + LEN_CMDID + referee_info.FrameHeader.DataLength + LEN_TAIL);
+            
 		}
 	}
 			
diff --git a/modules/referee/referee.h b/modules/referee/referee.h
index 1744729..d8e967c 100644
--- a/modules/referee/referee.h
+++ b/modules/referee/referee.h
@@ -31,6 +31,7 @@
 
 //起始字节,协议固定为0xA5
 #define JUDGE_FRAME_HEADER (0xA5)
+#pragma pack(1)
 
 /***************裁判系统数据接收********************/