diff --git a/components/esp8266/include/esp_event.h b/components/esp8266/include/esp_event.h
index c3d8e75a..6c496e4a 100644
--- a/components/esp8266/include/esp_event.h
+++ b/components/esp8266/include/esp_event.h
@@ -129,6 +129,11 @@ typedef struct {
     uint8_t mac[6];           /**< MAC address of the station which send probe request */
 } system_event_ap_probe_req_rx_t;
 
+/** Event structure for IP_EVENT_AP_STAIPASSIGNED event */
+typedef struct {
+    ip4_addr_t ip; /*!< IP address which was assigned to the station */
+} system_event_ap_staipassigned_t;
+
 typedef union {
     system_event_sta_connected_t               connected;          /**< ESP8266 station connected to AP */
     system_event_sta_disconnected_t            disconnected;       /**< ESP8266 station disconnected to AP */
@@ -140,6 +145,7 @@ typedef union {
     system_event_ap_staconnected_t             sta_connected;      /**< a station connected to ESP8266 soft-AP */
     system_event_ap_stadisconnected_t          sta_disconnected;   /**< a station disconnected to ESP8266 soft-AP */
     system_event_ap_probe_req_rx_t             ap_probereqrecved;  /**< ESP8266 soft-AP receive probe request packet */
+    system_event_ap_staipassigned_t            ap_staipassigned;   /**< ESP8266 soft-AP assign an IP to the station*/
     system_event_got_ip6_t                     got_ip6;            /**< ESP8266 station　or ap or ethernet ipv6 addr state change to preferred */
 } system_event_info_t;
 
diff --git a/components/tcpip_adapter/tcpip_adapter_lwip.c b/components/tcpip_adapter/tcpip_adapter_lwip.c
index 77d28d99..ff2e6086 100644
--- a/components/tcpip_adapter/tcpip_adapter_lwip.c
+++ b/components/tcpip_adapter/tcpip_adapter_lwip.c
@@ -93,6 +93,7 @@ static void tcpip_adapter_dhcps_cb(u8_t client_ip[4])
                 client_ip[0],client_ip[1],client_ip[2],client_ip[3]);
     system_event_t evt;
     evt.event_id = SYSTEM_EVENT_AP_STAIPASSIGNED;
+    memcpy(&evt.event_info.ap_staipassigned.ip, client_ip, sizeof(ip4_addr_t));
     esp_event_send(&evt);
 }
 
diff --git a/examples/wifi/simple_wifi/main/simple_wifi.c b/examples/wifi/simple_wifi/main/simple_wifi.c
index 975d393e..e92bd64d 100644
--- a/examples/wifi/simple_wifi/main/simple_wifi.c
+++ b/examples/wifi/simple_wifi/main/simple_wifi.c
@@ -70,6 +70,10 @@ static esp_err_t event_handler(void *ctx, system_event_t *event)
         esp_wifi_connect();
         xEventGroupClearBits(wifi_event_group, WIFI_CONNECTED_BIT);
         break;
+    case SYSTEM_EVENT_AP_STAIPASSIGNED:
+        ESP_LOGI(TAG, "assigned ip:%s",
+                 ip4addr_ntoa(&event->event_info.ap_staipassigned.ip));
+        break;
     default:
         break;
     }