diff --git a/components/esp32/include/esp_wifi_types.h b/components/esp32/include/esp_wifi_types.h
index a473d3b04d..1ab6a464fd 100755
--- a/components/esp32/include/esp_wifi_types.h
+++ b/components/esp32/include/esp_wifi_types.h
@@ -164,6 +164,7 @@ typedef struct {
     uint8_t 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 channel;       /**< channel of target AP. Set to 1~13 to scan starting from the specified channel before connecting to AP. If the channel of AP is unknown, set it to 0.*/
 } wifi_sta_config_t;
 
 typedef union {
diff --git a/components/esp32/lib b/components/esp32/lib
index 53aac75afe..fd7893d22a 160000
--- a/components/esp32/lib
+++ b/components/esp32/lib
@@ -1 +1 @@
-Subproject commit 53aac75afe219af9feca42aca7f1126d394844c9
+Subproject commit fd7893d22ae4d43488c950583db7125c37b5ba80