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 82387b432dc3ec839f59d590c0ed33ee6896766a..50248b9863ce80e4100d434baf721d663f4717d2 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 b4c81772aab7ff64a583966056ba7caa42e1fd62..f3cfef982115d4fe2478fbe764a71016d6e5ab3a 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
@@ -36,19 +36,12 @@
 #define __ARCH_SYS_ARCH_H__
 
 #include "arch/cc.h"
-
 #include <rtthread.h>
 
-#ifdef RT_USING_BIG_ENDIAN
-#define BYTE_ORDER BIG_ENDIAN
-#else
-#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 a5e035b53a1158eb3209ffc00b1d783a8a8adf4d..312f4f83ec5cc1ef7f2c7e0b9659c16cfc602475 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 28f86d257e8e181a363bea1c8e12bc23033edbe9..ea201be28a72789b77292ae0195d56c4eda91ffc 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 550a96cb3ca7f93107fa5a17e39ea72048117dd5..d065298bff162e37ab9230cc18c3fb17ebe1b7cb 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
@@ -36,19 +36,12 @@
 #define __ARCH_SYS_ARCH_H__
 
 #include "arch/cc.h"
-
 #include <rtthread.h>
 
-#ifdef RT_USING_BIG_ENDIAN
-#define BYTE_ORDER BIG_ENDIAN
-#else
-#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 fe6e2fef6f30e3d35a0ad2abebd03c356b6ecfb8..9f5d03ebf7198f8962aa3e6ea2fac4fc1ba51333 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 c7848adfc9f03250a92ab33621d180ac34465c77..be5d406f50109578b55efdb90b988dba299ad8c9 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 550a96cb3ca7f93107fa5a17e39ea72048117dd5..d065298bff162e37ab9230cc18c3fb17ebe1b7cb 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
@@ -36,19 +36,12 @@
 #define __ARCH_SYS_ARCH_H__
 
 #include "arch/cc.h"
-
 #include <rtthread.h>
 
-#ifdef RT_USING_BIG_ENDIAN
-#define BYTE_ORDER BIG_ENDIAN
-#else
-#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 fe6e2fef6f30e3d35a0ad2abebd03c356b6ecfb8..9f5d03ebf7198f8962aa3e6ea2fac4fc1ba51333 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 28f86d257e8e181a363bea1c8e12bc23033edbe9..ea201be28a72789b77292ae0195d56c4eda91ffc 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 a47831d08568ab5267d4076e806b78d8c5879e7e..e487f58211dd262be7dce07af6b1e1b32fce533b 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
@@ -36,19 +36,12 @@
 #define __ARCH_SYS_ARCH_H__
 
 #include "arch/cc.h"
-
 #include <rtthread.h>
 
-#ifdef RT_USING_BIG_ENDIAN
-#define BYTE_ORDER BIG_ENDIAN
-#else
-#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-2.1.2/src/lwipopts.h b/components/net/lwip-2.1.2/src/lwipopts.h
index 23e4a69b64acd3c1bcbaae15e5dfae43bebdba71..862e3b6eaa96c5c4e746b55d1384e6980155c09a 100644
--- a/components/net/lwip-2.1.2/src/lwipopts.h
+++ b/components/net/lwip-2.1.2/src/lwipopts.h
@@ -47,10 +47,6 @@
 
 #define LWIP_PLATFORM_BYTESWAP      0
 
-#ifndef BYTE_ORDER
-#define BYTE_ORDER                  LITTLE_ENDIAN
-#endif
-
 /* #define RT_LWIP_DEBUG */
 
 #ifdef RT_LWIP_DEBUG