diff --git a/components/esp32/include/esp_wifi.h b/components/esp32/include/esp_wifi.h
index 357788225a..972b07b24a 100755
--- a/components/esp32/include/esp_wifi.h
+++ b/components/esp32/include/esp_wifi.h
@@ -214,6 +214,7 @@ typedef struct {
     char password[64];     /**< password of target AP*/
     bool bssid_set;        /**< whether set MAC address of target AP or not. Generally, station_config.bssid_set needs to be 0; and it needs to be 1 only when users need to check the MAC address of the AP.*/
     uint8_t bssid[6];     /**< MAC address of target AP*/
+    uint8_t authmode;
 } wifi_sta_config_t;
 
 typedef union {