diff --git a/components/net/lwip-2.1/porting/include/arch/cc.h b/components/net/lwip-2.1/porting/include/arch/cc.h
index 64e364fa..1ff65d08 100644
--- a/components/net/lwip-2.1/porting/include/arch/cc.h
+++ b/components/net/lwip-2.1/porting/include/arch/cc.h
@@ -44,7 +44,6 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include "securec.h"
-#include "memory_pool.h"
 
 #ifdef htons
 #define LWIP_DONT_PROVIDE_BYTEORDER_FUNCTIONS
@@ -112,15 +111,8 @@ extern void HilogPrintf(const char *fmt, ...);
                                     "Assertion \"%s\" errno %d line %d in %s\n", \
                                     x, errno, __LINE__, __FILE__);} while (0)
 
-#define mem_clib_malloc LWIP_MEM_ALLOC
-#define mem_clib_free LWIP_MEM_FREE
-#define mem_clib_calloc LWIP_MEM_CALLOC
-
 #define init_waitqueue_head(...)
 #define poll_check_waiters(...)
 #define IOCTL_CMD_CASE_HANDLER()
 
-#define DNS_SERVER_ADDRESS(ipaddr)        (ip4_addr_set_u32(ipaddr, ipaddr_addr("114.114.114.114")))
-#define DNS_SERVER_ADDRESS_SECONDARY(ipaddr)        (ip4_addr_set_u32(ipaddr, ipaddr_addr("114.114.115.115")))
-
 #endif /* _LWIP_PORTING_CC_H_ */
diff --git a/components/net/lwip-2.1/porting/include/lwip/lwipopts.h b/components/net/lwip-2.1/porting/include/lwip/lwipopts.h
index ab54f69a..bf117ffb 100644
--- a/components/net/lwip-2.1/porting/include/lwip/lwipopts.h
+++ b/components/net/lwip-2.1/porting/include/lwip/lwipopts.h
@@ -216,7 +216,7 @@
 #define LWIP_ENABLE_NET_CAPABILITY      1
 #define LWIP_ENABLE_CAP_NET_BROADCAST   0
 
-// Options for GT
+// Options for liteos_m
 #undef LWIP_NETIF_PROMISC
 #define LWIP_NETIF_PROMISC              0
 
@@ -224,7 +224,7 @@
 #define LWIP_ICMP                       0
 
 #undef LWIP_DHCP
-#define LWIP_DHCP                       0
+#define LWIP_DHCP                       1
 
 #undef LWIP_IGMP
 #define LWIP_IGMP                       0
@@ -251,7 +251,7 @@
 #define MEMP_NUM_ARP_QUEUE              4
 
 #undef MEMP_NUM_NETBUF
-#define MEMP_NUM_NETBUF                 12
+#define MEMP_NUM_NETBUF                 32
 
 #undef MEMP_NUM_NETCONN
 #define MEMP_NUM_NETCONN                32