diff --git a/bsp/raspberry-pi/raspi4-32/driver/drv_eth.c b/bsp/raspberry-pi/raspi4-32/driver/drv_eth.c
index 20ae855b6cc4145806779876ee47c9efaec163cf..1def980194bea1879d87ac878d307f0baffb429e 100644
--- a/bsp/raspberry-pi/raspi4-32/driver/drv_eth.c
+++ b/bsp/raspberry-pi/raspi4-32/driver/drv_eth.c
@@ -635,12 +635,13 @@ rt_err_t rt_eth_tx(rt_device_t device, struct pbuf *p)
     /* lock eth device */
     if (link_flag == 1)
     {
+        rt_base_t level = rt_hw_interrupt_disable();;
         rt_sem_take(&sem_lock, RT_WAITING_FOREVER);
         pbuf_copy_partial(p, (void *)&send_cache_pbuf[0], p->tot_len, 0);
         rt_memcpy((void *)sendbuf, send_cache_pbuf, p->tot_len);
-
         bcmgenet_gmac_eth_send((void *)sendbuf, p->tot_len);
         rt_sem_release(&sem_lock);
+        rt_hw_interrupt_enable(level);
     }
     return RT_EOK;
 }
@@ -653,6 +654,7 @@ struct pbuf *rt_eth_rx(rt_device_t device)
     struct pbuf *pbuf = RT_NULL;
     if (link_flag == 1)
     {
+        rt_base_t level = rt_hw_interrupt_disable();
         rt_sem_take(&sem_lock, RT_WAITING_FOREVER);
         recv_len = bcmgenet_gmac_eth_recv((rt_uint8_t **)&addr_point[0]);
         if (recv_len > 0)
@@ -663,6 +665,7 @@ struct pbuf *rt_eth_rx(rt_device_t device)
             rt_memcpy(pbuf->payload, (char *)addr_point[0], recv_len);
         }
         rt_sem_release(&sem_lock);
+        rt_hw_interrupt_enable(level);
     }
     return pbuf;
 }