diff --git a/bsp/fh8620/rtconfig.h b/bsp/fh8620/rtconfig.h
index ed31025f93..cefbff053c 100644
--- a/bsp/fh8620/rtconfig.h
+++ b/bsp/fh8620/rtconfig.h
@@ -182,20 +182,11 @@
//
#define RT_LWIP_ETHTHREAD_STACKSIZE 512
//
-#define RT_LWIP_IPADDR0 192
-#define RT_LWIP_IPADDR1 168
-#define RT_LWIP_IPADDR2 1
-#define RT_LWIP_IPADDR3 30
+#define RT_LWIP_IPADDR "192.168.1.30"
//
-#define RT_LWIP_GWADDR0 192
-#define RT_LWIP_GWADDR1 168
-#define RT_LWIP_GWADDR2 1
-#define RT_LWIP_GWADDR3 1
+#define RT_LWIP_GWADDR "192.168.1.1"
//
-#define RT_LWIP_MSKADDR0 255
-#define RT_LWIP_MSKADDR1 255
-#define RT_LWIP_MSKADDR2 255
-#define RT_LWIP_MSKADDR3 0
+#define RT_LWIP_MSKADDR "255.255.255.0"
//
//