diff --git a/bsp/at91sam9260/application.c b/bsp/at91sam9260/application.c
index dbdeae60b597454ae137aee49450d99c2a7c5e8e..8d272f5aedba522791bc39269dbc8ada0c5b6aea 100755
--- a/bsp/at91sam9260/application.c
+++ b/bsp/at91sam9260/application.c
@@ -43,7 +43,7 @@
 
 #ifdef RT_USING_LWIP
 #include <netif/ethernetif.h>
-#include <arch/sys_arch_init.h>
+//#include <arch/sys_arch_init.h>
 #include "macb.h"
 #endif
 
@@ -128,10 +128,9 @@ void rt_init_thread_entry(void* parameter)
 		eth_system_device_init();
 		rt_hw_macb_init();
 		/* re-init device driver */
-		//rt_device_init_all();
+		rt_device_init_all();
 		/* init lwip system */
 		lwip_sys_init();
-		rt_kprintf("TCP/IP initialized!\n");
 	}
 #endif
 
diff --git a/bsp/at91sam9260/macb.c b/bsp/at91sam9260/macb.c
index e29a504377a93ad477906876b0967d7395ca83fa..ae18e3ffe178a0ee2f245f48a466d9bc89d25d85 100755
--- a/bsp/at91sam9260/macb.c
+++ b/bsp/at91sam9260/macb.c
@@ -324,13 +324,15 @@ void macb_update_link(struct rt_macb_eth *macb)
 			rt_kprintf("%s: link up (%dMbps/%s-duplex)\n",
 					dev->parent.name, macb->speed,
 					DUPLEX_FULL == macb->duplex ? "Full":"Half");
-			macb->parent.link_status = 1;
+			//macb->parent.link_status = 1;
+			//netif_set_link_up(macb->parent.netif);
 		} else {
 			rt_kprintf("%s: link down\n", dev->parent.name);
-					macb->parent.link_status = 0;
+					//macb->parent.link_status = 0;
+			//netif_set_link_down(macb->parent.netif);
 		}
 
-		eth_device_linkchange(&macb->parent, RT_TRUE);
+		//eth_device_linkchange(&macb->parent, RT_TRUE);
 	}
 
 }
diff --git a/bsp/at91sam9260/macb.h b/bsp/at91sam9260/macb.h
index 8d5950e78e301a83b37f6ca0f415bb11c1508102..4697790f6253b2c9215040c536e64d859ee353ab 100755
--- a/bsp/at91sam9260/macb.h
+++ b/bsp/at91sam9260/macb.h
@@ -330,7 +330,7 @@ struct dma_desc {
 #define MACB_TX_USED_OFFSET			31
 #define MACB_TX_USED_SIZE			1
 
-void rt_hw_macb_init();
+extern void rt_hw_macb_init();
 
 #endif /* _MACB_H */