diff --git a/bsp/dm365/rtconfig.h b/bsp/dm365/rtconfig.h
index bc6f728ab3b9866f9480c0526028b4fcb0895d1a..2a8cbdb22a1c41e509fbca64c5c0f29f69b0d6c2 100644
--- a/bsp/dm365/rtconfig.h
+++ b/bsp/dm365/rtconfig.h
@@ -188,22 +188,13 @@
 /* #define RT_LWIP_DHCP */
 
 /* ip address of target */
-#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"
 
 /* gateway address of target */
-#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"
 
 /* mask address of target */
-#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"
 
 /* the number of blocks for pbuf */
 #define RT_LWIP_PBUF_NUM	16