diff --git a/components/net/lwip-1.4.1/src/netif/ethernetif.c b/components/net/lwip-1.4.1/src/netif/ethernetif.c
index ebf27b86e6ed37a624ed431c67360c491b9e70b3..e240413c598e450879cb32402e5106b5d68afae0 100644
--- a/components/net/lwip-1.4.1/src/netif/ethernetif.c
+++ b/components/net/lwip-1.4.1/src/netif/ethernetif.c
@@ -686,8 +686,6 @@ int eth_system_device_init(void)
 }
 INIT_PREV_EXPORT(eth_system_device_init);
 
-#ifdef RT_USING_FINSH
-#include <finsh.h>
 void set_if(char* netif_name, char* ip_addr, char* gw_addr, char* nm_addr)
 {
     struct ip_addr *ip;
@@ -733,6 +731,9 @@ void set_if(char* netif_name, char* ip_addr, char* gw_addr, char* nm_addr)
         netif_set_netmask(netif, ip);
     }
 }
+
+#ifdef RT_USING_FINSH
+#include <finsh.h>
 FINSH_FUNCTION_EXPORT(set_if, set network interface address);
 
 #if LWIP_DNS
diff --git a/components/net/lwip-2.0.2/src/netif/ethernetif.c b/components/net/lwip-2.0.2/src/netif/ethernetif.c
index 1bcc874f62f2144eff4fd24118dd9db66af03b0a..f118ad0d649e452949a4e8302d291b72072655d4 100644
--- a/components/net/lwip-2.0.2/src/netif/ethernetif.c
+++ b/components/net/lwip-2.0.2/src/netif/ethernetif.c
@@ -715,8 +715,6 @@ int eth_system_device_init_private(void)
     return (int)result;
 }
 
-#ifdef RT_USING_FINSH
-#include <finsh.h>
 void set_if(char* netif_name, char* ip_addr, char* gw_addr, char* nm_addr)
 {
     ip4_addr_t *ip;
@@ -762,6 +760,9 @@ void set_if(char* netif_name, char* ip_addr, char* gw_addr, char* nm_addr)
         netif_set_netmask(netif, ip);
     }
 }
+
+#ifdef RT_USING_FINSH
+#include <finsh.h>
 FINSH_FUNCTION_EXPORT(set_if, set network interface address);
 
 #if LWIP_DNS
diff --git a/components/net/lwip-2.1.0/src/netif/ethernetif.c b/components/net/lwip-2.1.0/src/netif/ethernetif.c
index c79db6700df84d3ca7c9a287675af24b58a6dfd4..4e623cbfd35fec7c4af0a68001602805feda0676 100755
--- a/components/net/lwip-2.1.0/src/netif/ethernetif.c
+++ b/components/net/lwip-2.1.0/src/netif/ethernetif.c
@@ -720,8 +720,6 @@ int eth_system_device_init_private(void)
     return (int)result;
 }
 
-#ifdef RT_USING_FINSH
-#include <finsh.h>
 void set_if(char* netif_name, char* ip_addr, char* gw_addr, char* nm_addr)
 {
     ip4_addr_t *ip;
@@ -767,6 +765,9 @@ void set_if(char* netif_name, char* ip_addr, char* gw_addr, char* nm_addr)
         netif_set_netmask(netif, ip);
     }
 }
+
+#ifdef RT_USING_FINSH
+#include <finsh.h>
 FINSH_FUNCTION_EXPORT(set_if, set network interface address);
 
 #if LWIP_DNS
diff --git a/components/net/lwip_dhcpd/SConscript b/components/net/lwip_dhcpd/SConscript
index f7513cb0e31d152547353dc31482da788c38db56..16c673036a92954e131e317f9a3b121dd647723e 100644
--- a/components/net/lwip_dhcpd/SConscript
+++ b/components/net/lwip_dhcpd/SConscript
@@ -2,7 +2,7 @@ from building import *
 
 cwd = GetCurrentDir()
 
-if GetDepend('RT_USING_LWIP202'):
+if GetDepend('RT_USING_LWIP202') or GetDepend('RT_USING_LWIP210') :
     src = ['dhcp_server_raw.c']
 else:
     src = ['dhcp_server.c']
diff --git a/components/net/lwip_dhcpd/dhcp_server_raw.c b/components/net/lwip_dhcpd/dhcp_server_raw.c
index 6b359eea4ec659295a579b7de6c65e245f257e5a..5df61a02363ed29015b713b4300f31fe9fddb679 100644
--- a/components/net/lwip_dhcpd/dhcp_server_raw.c
+++ b/components/net/lwip_dhcpd/dhcp_server_raw.c
@@ -97,6 +97,10 @@
 #define LWIP_NETIF_LOCK(...)
 #define LWIP_NETIF_UNLOCK(...)
 
+#ifndef DHCP_SERVER_PORT
+#define DHCP_SERVER_PORT 67
+#endif
+
 /**
 * The dhcp client node struct.
 */