diff --git a/components/lwp/lwp_syscall.c b/components/lwp/lwp_syscall.c
index d2177539df..73cff9577e 100644
--- a/components/lwp/lwp_syscall.c
+++ b/components/lwp/lwp_syscall.c
@@ -3953,7 +3953,7 @@ out:
 }
 
 sysret_t sys_socketpair(int domain, int type, int protocol, int fd[2])
-{   
+{
 #ifdef RT_USING_SAL
     int ret = 0;
     int k_fd[2];
@@ -7045,8 +7045,13 @@ const static struct rt_syscall_def func_table[] =
     SYSCALL_SIGN(sys_ftruncate),
     SYSCALL_SIGN(sys_setitimer),
     SYSCALL_SIGN(sys_utimensat),
+#ifdef RT_USING_POSIX_SOCKET
     SYSCALL_SIGN(sys_notimpl),
     SYSCALL_SIGN(sys_socketpair),                        /* 205 */
+#else
+    SYSCALL_SIGN(sys_notimpl),
+    SYSCALL_SIGN(sys_notimpl),
+#endif
 };
 
 const void *lwp_get_sys_api(rt_uint32_t number)
diff --git a/components/net/sal/include/sal_socket.h b/components/net/sal/include/sal_socket.h
index 52767ece67..524ce86985 100644
--- a/components/net/sal/include/sal_socket.h
+++ b/components/net/sal/include/sal_socket.h
@@ -186,11 +186,11 @@ struct sockaddr
 /* Structure describing the address of an AF_LOCAL (aka AF_UNIX) socket.  */
 struct sockaddr_un
 {
-    unsigned short sa_family;
+    uint8_t        sa_len;
+    sa_family_t    sa_family;
     char sun_path[108];         /* Path name.  */
 };
 
-
 #if NETDEV_IPV4
 /* members are in network byte order */
 struct sockaddr_in
@@ -227,16 +227,6 @@ struct sockaddr_storage
 #endif /* NETDEV_IPV6 */
 };
 
-/* LWIPPTP_SWREQ_0036 */
-#ifndef __DEFINED_struct_iovec
-struct iovec
-{
-    void *iov_base;
-    size_t iov_len;
-};
-#endif
-
-/* LWIPPTP_SWREQ_0036 */
 struct msghdr
 {
     void            *msg_name;
@@ -248,7 +238,6 @@ struct msghdr
     int              msg_flags;
 };
 
-/* LWIPPTP_SWREQ_0036 */
 /* RFC 3542, Section 20: Ancillary Data */
 struct cmsghdr
 {
@@ -257,7 +246,6 @@ struct cmsghdr
     int     cmsg_type;  /* protocol-specific type */
 };
 
-/* LWIPPTP_SWREQ_0036 */
 #define CMSG_NXTHDR(mhdr, cmsg) cmsg_nxthdr((mhdr), (cmsg))
 
 #define CMSG_ALIGN(len) (((len) + sizeof(long) - 1) & ~(sizeof(long)-1))
@@ -297,7 +285,7 @@ static inline struct cmsghdr *cmsg_nxthdr(struct msghdr *_msg, struct cmsghdr *_
 }
 
 #define IFNAMSIZ	16
-struct sal_ifmap 
+struct sal_ifmap
 {
     unsigned long int mem_start;
     unsigned long int mem_end;
@@ -307,13 +295,13 @@ struct sal_ifmap
     unsigned char port;
 };
 
-struct sal_ifreq 
+struct sal_ifreq
 {
-    union 
+    union
     {
         char ifrn_name[IFNAMSIZ];
     } ifr_ifrn;
-    union 
+    union
     {
         struct sockaddr ifru_addr;
         struct sockaddr ifru_dstaddr;
diff --git a/components/net/sal/src/sal_socket.c b/components/net/sal/src/sal_socket.c
index 782710edcf..4733ffebaa 100644
--- a/components/net/sal/src/sal_socket.c
+++ b/components/net/sal/src/sal_socket.c
@@ -445,7 +445,7 @@ static int socket_init(int family, int type, int protocol, struct sal_socket **r
     rt_bool_t flag = RT_FALSE;
 
     if (family == AF_UNIX)
-    {   
+    {
         netdv_def = netdev_lo;
     }
 
@@ -685,7 +685,7 @@ int sal_bind(int socket, const struct sockaddr *name, socklen_t namelen)
     addr_un = (struct sockaddr_un *)name;
 
     if (addr_un->sa_family != AF_UNIX)
-    {      
+    {
         /* bind network interface by ip address */
         sal_sockaddr_to_ipaddr(name, &input_ipaddr);