diff --git a/components/net/lwip-1.4.1/src/arch/include/arch/cc.h b/components/net/lwip-1.4.1/src/arch/include/arch/cc.h
index 82387b432d..50248b9863 100644
--- a/components/net/lwip-1.4.1/src/arch/include/arch/cc.h
+++ b/components/net/lwip-1.4.1/src/arch/include/arch/cc.h
@@ -40,6 +40,14 @@
 #include <string.h>
 #include <stdint.h>
 
+#ifndef BYTE_ORDER
+#ifdef RT_USING_BIG_ENDIAN
+#define BYTE_ORDER BIG_ENDIAN
+#else
+#define BYTE_ORDER LITTLE_ENDIAN
+#endif /* RT_USING_BIG_ENDIAN */
+#endif /* BYTE_ORDER */
+
 typedef uint8_t   u8_t;
 typedef int8_t    s8_t;
 typedef uint16_t  u16_t;
diff --git a/components/net/lwip-1.4.1/src/arch/include/arch/sys_arch.h b/components/net/lwip-1.4.1/src/arch/include/arch/sys_arch.h
index 72814aa25c..4c4eff942f 100644
--- a/components/net/lwip-1.4.1/src/arch/include/arch/sys_arch.h
+++ b/components/net/lwip-1.4.1/src/arch/include/arch/sys_arch.h
@@ -39,14 +39,10 @@
 
 #include <rtthread.h>
 
-#ifndef BYTE_ORDER
-#define BYTE_ORDER LITTLE_ENDIAN
-#endif
-
 #define SYS_MBOX_NULL RT_NULL
 #define SYS_SEM_NULL  RT_NULL
 
-typedef u32_t sys_prot_t;
+typedef rt_uint32_t sys_prot_t;
 
 #define SYS_MBOX_SIZE 10
 #define SYS_LWIP_TIMER_NAME "timer"
diff --git a/components/net/lwip-1.4.1/src/lwipopts.h b/components/net/lwip-1.4.1/src/lwipopts.h
index a5e035b53a..312f4f83ec 100644
--- a/components/net/lwip-1.4.1/src/lwipopts.h
+++ b/components/net/lwip-1.4.1/src/lwipopts.h
@@ -37,10 +37,6 @@
 
 #define LWIP_PLATFORM_BYTESWAP      0
 
-#ifndef BYTE_ORDER
-#define BYTE_ORDER                  LITTLE_ENDIAN
-#endif
-
 /* #define RT_LWIP_DEBUG */
 
 #ifdef RT_LWIP_DEBUG
diff --git a/components/net/lwip-2.0.2/src/arch/include/arch/cc.h b/components/net/lwip-2.0.2/src/arch/include/arch/cc.h
index 28f86d257e..ea201be28a 100644
--- a/components/net/lwip-2.0.2/src/arch/include/arch/cc.h
+++ b/components/net/lwip-2.0.2/src/arch/include/arch/cc.h
@@ -39,6 +39,14 @@
 #include <rtthread.h>
 #include <string.h>
 
+#ifndef BYTE_ORDER
+#ifdef RT_USING_BIG_ENDIAN
+#define BYTE_ORDER BIG_ENDIAN
+#else
+#define BYTE_ORDER LITTLE_ENDIAN
+#endif /* RT_USING_BIG_ENDIAN */
+#endif /* BYTE_ORDER */
+
 #define U16_F "hu"
 #define S16_F "hd"
 #define X16_F "hx"
diff --git a/components/net/lwip-2.0.2/src/arch/include/arch/sys_arch.h b/components/net/lwip-2.0.2/src/arch/include/arch/sys_arch.h
index 8637cc9263..478828d0a0 100644
--- a/components/net/lwip-2.0.2/src/arch/include/arch/sys_arch.h
+++ b/components/net/lwip-2.0.2/src/arch/include/arch/sys_arch.h
@@ -39,14 +39,10 @@
 
 #include <rtthread.h>
 
-#ifndef BYTE_ORDER
-#define BYTE_ORDER LITTLE_ENDIAN
-#endif
-
 #define SYS_MBOX_NULL RT_NULL
 #define SYS_SEM_NULL  RT_NULL
 
-typedef u32_t sys_prot_t;
+typedef rt_uint32_t sys_prot_t;
 
 #define SYS_MBOX_SIZE 10
 #define SYS_LWIP_TIMER_NAME "timer"
diff --git a/components/net/lwip-2.0.2/src/lwipopts.h b/components/net/lwip-2.0.2/src/lwipopts.h
index fe6e2fef6f..9f5d03ebf7 100644
--- a/components/net/lwip-2.0.2/src/lwipopts.h
+++ b/components/net/lwip-2.0.2/src/lwipopts.h
@@ -45,10 +45,6 @@
 
 #define LWIP_PLATFORM_BYTESWAP      0
 
-#ifndef BYTE_ORDER
-#define BYTE_ORDER                  LITTLE_ENDIAN
-#endif
-
 /* #define RT_LWIP_DEBUG */
 
 #ifdef RT_LWIP_DEBUG
diff --git a/components/net/lwip-2.0.3/src/arch/include/arch/cc.h b/components/net/lwip-2.0.3/src/arch/include/arch/cc.h
index c7848adfc9..be5d406f50 100644
--- a/components/net/lwip-2.0.3/src/arch/include/arch/cc.h
+++ b/components/net/lwip-2.0.3/src/arch/include/arch/cc.h
@@ -39,6 +39,13 @@
 #include <rtthread.h>
 #include <string.h>
 
+#ifndef BYTE_ORDER
+#ifdef RT_USING_BIG_ENDIAN
+#define BYTE_ORDER BIG_ENDIAN
+#else
+#define BYTE_ORDER LITTLE_ENDIAN
+#endif /* RT_USING_BIG_ENDIAN */
+#endif /* BYTE_ORDER */
 
 #define U16_F "hu"
 #define S16_F "hd"
diff --git a/components/net/lwip-2.0.3/src/arch/include/arch/sys_arch.h b/components/net/lwip-2.0.3/src/arch/include/arch/sys_arch.h
index 8637cc9263..d065298bff 100644
--- a/components/net/lwip-2.0.3/src/arch/include/arch/sys_arch.h
+++ b/components/net/lwip-2.0.3/src/arch/include/arch/sys_arch.h
@@ -36,17 +36,12 @@
 #define __ARCH_SYS_ARCH_H__
 
 #include "arch/cc.h"
-
 #include <rtthread.h>
 
-#ifndef BYTE_ORDER
-#define BYTE_ORDER LITTLE_ENDIAN
-#endif
-
 #define SYS_MBOX_NULL RT_NULL
 #define SYS_SEM_NULL  RT_NULL
 
-typedef u32_t sys_prot_t;
+typedef rt_uint32_t sys_prot_t;
 
 #define SYS_MBOX_SIZE 10
 #define SYS_LWIP_TIMER_NAME "timer"
diff --git a/components/net/lwip-2.0.3/src/lwipopts.h b/components/net/lwip-2.0.3/src/lwipopts.h
index fe6e2fef6f..9f5d03ebf7 100644
--- a/components/net/lwip-2.0.3/src/lwipopts.h
+++ b/components/net/lwip-2.0.3/src/lwipopts.h
@@ -45,10 +45,6 @@
 
 #define LWIP_PLATFORM_BYTESWAP      0
 
-#ifndef BYTE_ORDER
-#define BYTE_ORDER                  LITTLE_ENDIAN
-#endif
-
 /* #define RT_LWIP_DEBUG */
 
 #ifdef RT_LWIP_DEBUG
diff --git a/components/net/lwip-2.1.2/src/arch/include/arch/cc.h b/components/net/lwip-2.1.2/src/arch/include/arch/cc.h
index 28f86d257e..ea201be28a 100644
--- a/components/net/lwip-2.1.2/src/arch/include/arch/cc.h
+++ b/components/net/lwip-2.1.2/src/arch/include/arch/cc.h
@@ -39,6 +39,14 @@
 #include <rtthread.h>
 #include <string.h>
 
+#ifndef BYTE_ORDER
+#ifdef RT_USING_BIG_ENDIAN
+#define BYTE_ORDER BIG_ENDIAN
+#else
+#define BYTE_ORDER LITTLE_ENDIAN
+#endif /* RT_USING_BIG_ENDIAN */
+#endif /* BYTE_ORDER */
+
 #define U16_F "hu"
 #define S16_F "hd"
 #define X16_F "hx"
diff --git a/components/net/lwip-2.1.2/src/arch/include/arch/sys_arch.h b/components/net/lwip-2.1.2/src/arch/include/arch/sys_arch.h
index 1e97f8a5ac..e487f58211 100644
--- a/components/net/lwip-2.1.2/src/arch/include/arch/sys_arch.h
+++ b/components/net/lwip-2.1.2/src/arch/include/arch/sys_arch.h
@@ -36,17 +36,12 @@
 #define __ARCH_SYS_ARCH_H__
 
 #include "arch/cc.h"
-
 #include <rtthread.h>
 
-#ifndef BYTE_ORDER
-#define BYTE_ORDER LITTLE_ENDIAN
-#endif
-
 #define SYS_MBOX_NULL RT_NULL
 #define SYS_SEM_NULL  RT_NULL
 
-typedef u32_t sys_prot_t;
+typedef rt_uint32_t sys_prot_t;
 
 #define SYS_MBOX_SIZE 10
 #define SYS_LWIP_TIMER_NAME "timer"