diff --git a/components/lwip/apps/dhcpserver.c b/components/lwip/apps/dhcpserver.c
index c5ce7a8ade..bc3cfda734 100644
--- a/components/lwip/apps/dhcpserver.c
+++ b/components/lwip/apps/dhcpserver.c
@@ -1074,7 +1074,7 @@ void dhcps_start(struct netif *netif, ip4_addr_t ip)
 
     client_address_plus.addr = dhcps_poll.start_ip.addr;
 
-    udp_bind(pcb_dhcps, IP_ADDR_ANY, DHCPS_SERVER_PORT);
+    udp_bind(pcb_dhcps, &netif->ip_addr, DHCPS_SERVER_PORT);
     udp_recv(pcb_dhcps, handle_dhcp, NULL);
 #if DHCPS_DEBUG
     DHCPS_LOG("dhcps:dhcps_start->udp_recv function Set a receive callback handle_dhcp for UDP_PCB pcb_dhcps\n");
diff --git a/components/tcpip_adapter/tcpip_adapter_lwip.c b/components/tcpip_adapter/tcpip_adapter_lwip.c
index d385fd4180..86fe8dbfb1 100644
--- a/components/tcpip_adapter/tcpip_adapter_lwip.c
+++ b/components/tcpip_adapter/tcpip_adapter_lwip.c
@@ -309,6 +309,8 @@ esp_err_t tcpip_adapter_down(tcpip_adapter_if_t tcpip_if)
         tcpip_adapter_start_ip_lost_timer(tcpip_if);
     }
 
+    tcpip_adapter_update_default_netif();
+
     return ESP_OK;
 }