diff --git a/bsp/stm32f429-apollo/.config b/bsp/stm32f429-apollo/.config
index 2ef2e5125881eaff377fb744d86a072641e6ab6c..5d12c9fcc061a8892a1da383ae5d4374a8b61b65 100644
--- a/bsp/stm32f429-apollo/.config
+++ b/bsp/stm32f429-apollo/.config
@@ -129,8 +129,8 @@ CONFIG_RT_USING_LIBC=y
 # light weight TCP/IP stack
 #
 CONFIG_RT_USING_LWIP=y
-CONFIG_RT_USING_LWIP141=y
-# CONFIG_RT_USING_LWIP202 is not set
+# CONFIG_RT_USING_LWIP141 is not set
+CONFIG_RT_USING_LWIP202=y
 # CONFIG_RT_LWIP_IGMP is not set
 CONFIG_RT_LWIP_ICMP=y
 # CONFIG_RT_LWIP_SNMP is not set
@@ -189,11 +189,12 @@ CONFIG_LWIP_SO_RCVBUF=1
 #
 # IoT - internet of things
 #
-# CONFIG_PKG_USING_CJSON is not set
 # CONFIG_PKG_USING_PAHOMQTT is not set
 # CONFIG_PKG_USING_WEBCLIENT is not set
 # CONFIG_PKG_USING_MONGOOSE is not set
 # CONFIG_PKG_USING_WEBTERMINAL is not set
+# CONFIG_PKG_USING_CJSON is not set
+# CONFIG_PKG_USING_EZXML is not set
 
 #
 # security packages
@@ -233,18 +234,3 @@ CONFIG_RT_USING_SPI5=y
 #
 # BSP_LWIP CONFIG
 #
-CONFIG_RT_LWIP_IPADDR0=192
-CONFIG_RT_LWIP_IPADDR1=168
-CONFIG_RT_LWIP_IPADDR2=1
-CONFIG_RT_LWIP_IPADDR3=201
-CONFIG_RT_LWIP_GWADDR0=192
-CONFIG_RT_LWIP_GWADDR1=168
-CONFIG_RT_LWIP_GWADDR2=1
-CONFIG_RT_LWIP_GWADDR3=1
-CONFIG_RT_LWIP_MSKADDR0=255
-CONFIG_RT_LWIP_MSKADDR1=255
-CONFIG_RT_LWIP_MSKADDR2=255
-CONFIG_RT_LWIP_MSKADDR3=0
-CONFIG_CHECKSUM_CHECK_TCP=0
-CONFIG_CHECKSUM_CHECK_IP=0
-CONFIG_CHECKSUM_CHECK_UDP=0
diff --git a/bsp/stm32f429-apollo/KConfig b/bsp/stm32f429-apollo/KConfig
index e155d26cba54464fc4cdabd2012d64c082bb20b2..434acdc7eb2310d69e365a10a0225dd982a44a9a 100644
--- a/bsp/stm32f429-apollo/KConfig
+++ b/bsp/stm32f429-apollo/KConfig
@@ -48,65 +48,7 @@ endmenu
 
 menu "BSP_LWIP CONFIG"
 
-config RT_LWIP_IPADDR0
-    int "RT_LWIP_IPADDR0"
-    default 192 
-    
-config RT_LWIP_IPADDR1
-    int "RT_LWIP_IPADDR1"
-    default 168 
-    
-config RT_LWIP_IPADDR2
-    int "RT_LWIP_IPADDR2"
-    default 1 
-    
-config RT_LWIP_IPADDR3
-    int "RT_LWIP_IPADDR3"
-    default 201 
-    
-config RT_LWIP_GWADDR0
-    int "RT_LWIP_GWADDR0"
-    default 192 
-    
-config RT_LWIP_GWADDR1
-    int "RT_LWIP_GWADDR1"
-    default 168 
-    
-config RT_LWIP_GWADDR2
-    int "RT_LWIP_GWADDR2"
-    default 1 
-    
-config RT_LWIP_GWADDR3
-    int "RT_LWIP_GWADDR3"
-    default 1 
 
-config RT_LWIP_MSKADDR0
-    int "RT_LWIP_MSKADDR0"
-    default 255 
-    
-config RT_LWIP_MSKADDR1
-    int "RT_LWIP_MSKADDR1"
-    default 255 
-    
-config RT_LWIP_MSKADDR2
-    int "RT_LWIP_MSKADDR2"
-    default 255 
-    
-config RT_LWIP_MSKADDR3
-    int "RT_LWIP_MSKADDR3"
-    default 0 
-    
-config CHECKSUM_CHECK_TCP
-    int "CHECKSUM_CHECK_TCP"
-    default 0 
-    
-config CHECKSUM_CHECK_IP
-    int "The CHECKSUM_CHECK_IP"
-    default 0 
-    
-config CHECKSUM_CHECK_UDP
-    int "The CHECKSUM_CHECK_UDP"
-    default 0 
     
 endmenu
 
diff --git a/bsp/stm32f429-apollo/drivers/drv_eth.c b/bsp/stm32f429-apollo/drivers/drv_eth.c
index e1c9f0365a31ef1f4fe1bf3ff5a3745c17f7c7f8..257e34f701fbad05d859425bf1fe1a82d7e84b6b 100644
--- a/bsp/stm32f429-apollo/drivers/drv_eth.c
+++ b/bsp/stm32f429-apollo/drivers/drv_eth.c
@@ -125,7 +125,7 @@ static void delay_ms(rt_uint32_t ms)
 	} 
 	else 
 	{
-		rt_thread_delay(ms/(1000 / RT_TICK_PER_SECOND));
+		rt_thread_delay(rt_tick_from_millisecond(ms));
 	}
 }
 
diff --git a/bsp/stm32f429-apollo/rtconfig.h b/bsp/stm32f429-apollo/rtconfig.h
index b825fd2acb242e834bd1cdae07a12e2a89ae94dc..65a347ded1168a5f0717679723d57a0da0c638f2 100644
--- a/bsp/stm32f429-apollo/rtconfig.h
+++ b/bsp/stm32f429-apollo/rtconfig.h
@@ -117,8 +117,8 @@
 /* light weight TCP/IP stack */
 
 #define RT_USING_LWIP
-#define RT_USING_LWIP141
-/* RT_USING_LWIP202 is not set */
+/* RT_USING_LWIP141 is not set */
+#define RT_USING_LWIP202
 /* RT_LWIP_IGMP is not set */
 #define RT_LWIP_ICMP
 /* RT_LWIP_SNMP is not set */
@@ -171,11 +171,12 @@
 
 /* IoT - internet of things */
 
-/* PKG_USING_CJSON is not set */
 /* PKG_USING_PAHOMQTT is not set */
 /* PKG_USING_WEBCLIENT is not set */
 /* PKG_USING_MONGOOSE is not set */
 /* PKG_USING_WEBTERMINAL is not set */
+/* PKG_USING_CJSON is not set */
+/* PKG_USING_EZXML is not set */
 
 /* security packages */
 
@@ -207,20 +208,5 @@
 
 /* BSP_LWIP CONFIG */
 
-#define RT_LWIP_IPADDR0 192
-#define RT_LWIP_IPADDR1 168
-#define RT_LWIP_IPADDR2 1
-#define RT_LWIP_IPADDR3 201
-#define RT_LWIP_GWADDR0 192
-#define RT_LWIP_GWADDR1 168
-#define RT_LWIP_GWADDR2 1
-#define RT_LWIP_GWADDR3 1
-#define RT_LWIP_MSKADDR0 255
-#define RT_LWIP_MSKADDR1 255
-#define RT_LWIP_MSKADDR2 255
-#define RT_LWIP_MSKADDR3 0
-#define CHECKSUM_CHECK_TCP 0
-#define CHECKSUM_CHECK_IP 0
-#define CHECKSUM_CHECK_UDP 0
 
 #endif