diff --git a/components/net/lwip-2.1.0/src/arch/sys_arch.c b/components/net/lwip-2.1.0/src/arch/sys_arch.c
old mode 100644
new mode 100755
index 17ebdfbacf..dc08715ecc
--- a/components/net/lwip-2.1.0/src/arch/sys_arch.c
+++ b/components/net/lwip-2.1.0/src/arch/sys_arch.c
@@ -522,7 +522,7 @@ u32_t sys_arch_mbox_fetch(sys_mbox_t *mbox, void **msg, u32_t timeout)
             t = timeout / (1000/RT_TICK_PER_SECOND);
     }
 
-    ret = rt_mb_recv(*mbox, (rt_uint32_t *)msg, t);
+    ret = rt_mb_recv(*mbox, (rt_ubase_t *)msg, t);
 
     if(ret == -RT_ETIMEOUT)
         return SYS_ARCH_TIMEOUT;
@@ -553,7 +553,7 @@ u32_t sys_arch_mbox_tryfetch(sys_mbox_t *mbox, void **msg)
 {
     int ret;
 
-    ret = rt_mb_recv(*mbox, (rt_uint32_t *)msg, 0);
+    ret = rt_mb_recv(*mbox, (rt_ubase_t *)msg, 0);
 
     if(ret == -RT_ETIMEOUT)
         return SYS_ARCH_TIMEOUT;
diff --git a/components/net/lwip-2.1.0/src/netif/ethernetif.c b/components/net/lwip-2.1.0/src/netif/ethernetif.c
old mode 100644
new mode 100755
index 893edcb05a..b8e75b5f38
--- a/components/net/lwip-2.1.0/src/netif/ethernetif.c
+++ b/components/net/lwip-2.1.0/src/netif/ethernetif.c
@@ -333,7 +333,7 @@ static void eth_tx_thread_entry(void* parameter)
 
     while (1)
     {
-        if (rt_mb_recv(&eth_tx_thread_mb, (rt_uint32_t*)&msg, RT_WAITING_FOREVER) == RT_EOK)
+        if (rt_mb_recv(&eth_tx_thread_mb, (rt_ubase_t *)&msg, RT_WAITING_FOREVER) == RT_EOK)
         {
             struct eth_device* enetif;
 
@@ -365,7 +365,7 @@ static void eth_rx_thread_entry(void* parameter)
 
     while (1)
     {
-        if (rt_mb_recv(&eth_rx_thread_mb, (rt_uint32_t*)&device, RT_WAITING_FOREVER) == RT_EOK)
+        if (rt_mb_recv(&eth_rx_thread_mb, (rt_ubase_t *)&device, RT_WAITING_FOREVER) == RT_EOK)
         {
             struct pbuf *p;