diff --git a/tb/sw/src/halfLvdsMacSvr.c b/tb/sw/src/halfLvdsMacSvr.c
index 92f9c95..fabca28 100644
--- a/tb/sw/src/halfLvdsMacSvr.c
+++ b/tb/sw/src/halfLvdsMacSvr.c
@@ -93,7 +93,7 @@ uint32_t HLM_poll(uint32_t mode)
 
 		
         //开始发送工作
-        *tx0_txLen = tx_pkt_len + 8;
+        *tx0_txLen = tx_pkt_len + 4;
 		*tx0_txFifo = (tx_pkt_len << 20) | (0 << 16) | 0;
 		
 		uint32_t tx_index = 0;
@@ -114,7 +114,7 @@ uint32_t HLM_poll(uint32_t mode)
 		{
 			status = *HLM_status;
 
-			if (((tx_index * 4) < tx_pkt_len) && (status & HLM_TX0_FIFO_FULL))
+			if (((tx_index * 4) < tx_pkt_len) && (!(status & HLM_TX0_FIFO_FULL)))
 			{
 				*tx0_txFifo = tx_data_ptr[tx_index];
 				tx_index++;
@@ -161,16 +161,16 @@ uint32_t HLM_poll(uint32_t mode)
 
 		while (1)
 		{
-			//status = *HLM_status;
+			status = *HLM_status;
 
-			if (rx_start)// && (status & HLM_RX0_VALID))
+			if (rx_start && (status & HLM_RX0_VALID))
 			{
 				uint32_t data;
 				data = *rx0_rxFifo;
 				if (rx_index == 0)
 				{
 					rx_pkt_len = (data >> 20) + 4;
-					*tx1_txLen = rx_pkt_len + 4;
+					*tx1_txLen = rx_pkt_len;
 				}
 
 				rx_index++;
@@ -178,19 +178,6 @@ uint32_t HLM_poll(uint32_t mode)
 				if (rx_pkt_len <= (rx_index * 4))
 				{
 					rx_start = 0;
-					#if 0
-					*plic_enable_0_31 =   1 << CDR_INT_TX0END
-						| 1 << CDR_INT_TX1END
-
-						| 1 << CDR_INT_RX0ERROR
-						| 1 << CDR_INT_RX1ERROR
-
-						| 1 << CDR_INT_RX0START
-						| 1 << CDR_INT_RX1START
-
-						| 1 << CDR_INT_RX0END
-						| 1 << CDR_INT_RX1END;
-					#endif
 				}
 			}
 
@@ -199,27 +186,7 @@ uint32_t HLM_poll(uint32_t mode)
 			{
 				isr_flag[CDR_INT_RX0START] = 0;
 				rx_start = 1;
-				//*plic_enable_0_31 = 0;
 			}
-		#if 0
-			//rx1 上行
-			if (isr_flag[CDR_INT_RX1START])
-			{
-				isr_flag[CDR_INT_RX1START] = 0;
-			}
-
-			if (isr_flag[CDR_INT_RX0END])
-			{
-				isr_flag[CDR_INT_RX0END] = 0;
-				//break;
-			}
-
-			if (isr_flag[CDR_INT_RX1END])
-			{
-				isr_flag[CDR_INT_RX1END] = 0;
-				//break;
-			}
-		#endif
 		}
 	}
 	else