diff --git a/HARDWARE/rs485.c b/HARDWARE/rs485.c
index b40d20c..39d9271 100644
--- a/HARDWARE/rs485.c
+++ b/HARDWARE/rs485.c
@@ -533,9 +533,9 @@ void RS485_1_Upload_Params(void)
 	// bufcut_Init(sendbuf_crc, sendbuf, 3, 31);
 	// GetCRC16(sendbuf_crc, 28, &crc_num1, &crc_num2);
 
-	GetCRC16(sendbuf, 56, &crc_num1, &crc_num2);
-	sendbuf[56] = crc_num1;
-	sendbuf[57] = crc_num2;
+	GetCRC16(sendbuf + 1, 55, &crc_num1, &crc_num2);
+	sendbuf[56] = crc_num2;
+	sendbuf[57] = crc_num1;
 
 	// u8 tmpabc[] = {0xAA, 0xBB, 0xCC};
 	// RS485_1_Send_Data(tmpabc, 3);
@@ -562,7 +562,7 @@ void RS485_1_sync_env_params(void)
 	NUM += 1;
 	if (NUM > 6)
 		NUM = 1;
-	GetCRC16(batchbuf, 4, batchbuf + 4, batchbuf + 5);
+	GetCRC16(batchbuf + 1, 3, batchbuf + 5, batchbuf + 4);
 	for (t = 0; t < 10; t++)
 	{
 		while (USART_GetFlagStatus(USART1, USART_FLAG_TC) == RESET)
diff --git a/myfreertos/myfreertos.c b/myfreertos/myfreertos.c
index 67bd4e7..3ec827f 100644
--- a/myfreertos/myfreertos.c
+++ b/myfreertos/myfreertos.c
@@ -322,6 +322,7 @@ void Sensor_Communication_task(void *pvParameters)
 				RS485_1_Send_Data_1(RS485_DATA_TMP, 22);
 				RX_BUF_Transfer(0, 18);
 				light_set_all();
+				RS485_1_Upload_Params();
 			}
 			else if (RS485_RX_BUF_COPY[0] == 0xEE && RS485_RX_BUF_COPY[1] == 0xB6 && RS485_RX_BUF_COPY[2] == 0x03 && CRC16_check(RS485_RX_BUF_COPY, 7) == 1)
 			{