diff --git a/components/finsh/msh_cmd.c b/components/finsh/msh_cmd.c
index 7e9fd68a5f9176cbc2d0ac91f9a6be019dd27d3c..71dca1597656eb82cc2934df250a06f6e31acedc 100644
--- a/components/finsh/msh_cmd.c
+++ b/components/finsh/msh_cmd.c
@@ -385,8 +385,10 @@ FINSH_FUNCTION_EXPORT_ALIAS(cmd_dns, __cmd_dns, list the information of dns);
 int cmd_netstat(int argc, char **argv)
 {
     extern void list_tcps(void);
+    extern void list_udps(void);
 
     list_tcps();
+    list_udps();
     return 0;
 }
 FINSH_FUNCTION_EXPORT_ALIAS(cmd_netstat, __cmd_netstat, list the information of TCP / IP);
diff --git a/components/net/Kconfig b/components/net/Kconfig
index 58a327ee1e83db51b6024b338ca6047bf788a257..2fa1dccf6eac40eee5178089840bb55369402b96 100644
--- a/components/net/Kconfig
+++ b/components/net/Kconfig
@@ -145,6 +145,14 @@ config RT_USING_LWIP
             int "the stack size of lwIP thread"
             default 1024
 
+        config LWIP_NO_RX_THREAD
+            bool "Not use Rx thread"
+            default n
+
+        config LWIP_NO_TX_THREAD
+            bool "Not use Tx thread"
+            default n
+
         config RT_LWIP_ETHTHREAD_PRIORITY
             int "the priority level value of ethernet thread"
             default 12
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 7a8cde12da1d04c3e3eee9e713c3ef7a82392b14..ddebaf347e6addd608a77993bbb4f6061e9e648d 100644
--- a/components/net/lwip-1.4.1/src/netif/ethernetif.c
+++ b/components/net/lwip-1.4.1/src/netif/ethernetif.c
@@ -618,4 +618,34 @@ void list_tcps(void)
 FINSH_FUNCTION_EXPORT(list_tcps, list all of tcp connections);
 #endif
 
+#if LWIP_UDP
+#include "lwip/udp.h"
+void list_udps(void)
+{
+    struct udp_pcb *pcb;
+    rt_uint32_t num = 0;
+    char local_ip_str[16];
+    char remote_ip_str[16];
+
+    rt_enter_critical();
+    rt_kprintf("Active UDP PCB states:\n");
+    for (pcb = udp_pcbs; pcb != NULL; pcb = pcb->next)
+    {
+        strcpy(local_ip_str, ipaddr_ntoa(&(pcb->local_ip)));
+        strcpy(remote_ip_str, ipaddr_ntoa(&(pcb->remote_ip)));
+
+        rt_kprintf("#%d %d %s:%d <==> %s:%d \n",
+                   num, (int)pcb->flags,
+                   local_ip_str,
+                   pcb->local_port,
+                   remote_ip_str,
+                   pcb->remote_port);
+
+        num++;
+    }
+    rt_exit_critical();
+}
+FINSH_FUNCTION_EXPORT(list_udps, list all of udp connections);
+#endif /* LWIP_UDP */
+
 #endif
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 ba23528c5878f76d564fe94007fad7795bd8bf7a..8ab1727bd3b5e41c6ede5eaf4e3a5fecac60df3b 100644
--- a/components/net/lwip-2.0.2/src/netif/ethernetif.c
+++ b/components/net/lwip-2.0.2/src/netif/ethernetif.c
@@ -563,6 +563,7 @@ void list_if(void)
         if (netif->flags & NETIF_FLAG_LINK_UP) rt_kprintf(" LINK_UP");
         else rt_kprintf(" LINK_DOWN");
         if (netif->flags & NETIF_FLAG_ETHARP) rt_kprintf(" ETHARP");
+        if (netif->flags & NETIF_FLAG_BROADCAST) rt_kprintf(" BROADCAST");
         if (netif->flags & NETIF_FLAG_IGMP) rt_kprintf(" IGMP");
         rt_kprintf("\n");
         rt_kprintf("ip address: %s\n", ipaddr_ntoa(&(netif->ip_addr)));
@@ -672,6 +673,36 @@ void list_tcps(void)
     rt_exit_critical();
 }
 FINSH_FUNCTION_EXPORT(list_tcps, list all of tcp connections);
-#endif
+#endif /* LWIP_TCP */
+
+#if LWIP_UDP
+#include "lwip/udp.h"
+void list_udps(void)
+{
+    struct udp_pcb *pcb;
+    rt_uint32_t num = 0;
+    char local_ip_str[16];
+    char remote_ip_str[16];
+
+    rt_enter_critical();
+    rt_kprintf("Active UDP PCB states:\n");
+    for (pcb = udp_pcbs; pcb != NULL; pcb = pcb->next)
+    {
+        strcpy(local_ip_str, ipaddr_ntoa(&(pcb->local_ip)));
+        strcpy(remote_ip_str, ipaddr_ntoa(&(pcb->remote_ip)));
+
+        rt_kprintf("#%d %d %s:%d <==> %s:%d \n",
+                   num, (int)pcb->flags,
+                   local_ip_str,
+                   pcb->local_port,
+                   remote_ip_str,
+                   pcb->remote_port);
+
+        num++;
+    }
+    rt_exit_critical();
+}
+FINSH_FUNCTION_EXPORT(list_udps, list all of udp connections);
+#endif /* LWIP_UDP */
 
 #endif