diff --git a/components/bt/bluedroid/api/include/api/esp_gap_ble_api.h b/components/bt/bluedroid/api/include/api/esp_gap_ble_api.h
index b624365cb9..8c2d3a32bb 100644
--- a/components/bt/bluedroid/api/include/api/esp_gap_ble_api.h
+++ b/components/bt/bluedroid/api/include/api/esp_gap_ble_api.h
@@ -1067,7 +1067,7 @@ esp_err_t esp_ble_passkey_reply(esp_bd_addr_t bd_addr, bool accept, uint32_t pas
 
 
 /**
-* @brief           Reply the confirm value to the peer device in the legacy connection stage.
+* @brief           Reply the confirm value to the peer device in the secure connection stage.
 *
 * @param[in]       bd_addr : BD address of the peer device
 * @param[in]       accept : numbers to compare are the same or different.
diff --git a/examples/bluetooth/gatt_security_client/main/example_ble_sec_gattc_demo.c b/examples/bluetooth/gatt_security_client/main/example_ble_sec_gattc_demo.c
index 278a929fef..a7cd9cd2d6 100644
--- a/examples/bluetooth/gatt_security_client/main/example_ble_sec_gattc_demo.c
+++ b/examples/bluetooth/gatt_security_client/main/example_ble_sec_gattc_demo.c
@@ -381,6 +381,7 @@ static void esp_gap_cb(esp_gap_ble_cb_event_t event, esp_ble_gap_cb_param_t *par
         ESP_LOGI(GATTC_TAG, "Scan start success");
         break;
     case ESP_GAP_BLE_PASSKEY_REQ_EVT:                           /* passkey request event */
+        /* Call the following function to input the passkey which is displayed on the remote device */
         //esp_ble_passkey_reply(gl_profile_tab[PROFILE_A_APP_ID].remote_bda, true, 0x00);
         ESP_LOGI(GATTC_TAG, "ESP_GAP_BLE_PASSKEY_REQ_EVT");
         break;
@@ -400,7 +401,8 @@ static void esp_gap_cb(esp_gap_ble_cb_event_t event, esp_ble_gap_cb_param_t *par
         break;
     case ESP_GAP_BLE_NC_REQ_EVT:
         /* The app will receive this evt when the IO has DisplayYesNO capability and the peer device IO also has DisplayYesNo capability.
-        show the passkey number to the user to confirm it with the number displayed by peer deivce. */
+        show the passkey number to the user to confirm it with the number displayed by peer device. */
+        esp_ble_confirm_reply(param->ble_security.ble_req.bd_addr, true);
         ESP_LOGI(GATTC_TAG, "ESP_GAP_BLE_NC_REQ_EVT, the passkey Notify number:%d", param->ble_security.key_notif.passkey);
         break;
     case ESP_GAP_BLE_PASSKEY_NOTIF_EVT:  ///the app will receive this evt when the IO  has Output capability and the peer device IO has Input capability.
diff --git a/examples/bluetooth/gatt_security_server/main/example_ble_sec_gatts_demo.c b/examples/bluetooth/gatt_security_server/main/example_ble_sec_gatts_demo.c
index ac06e85e0b..cf2062c039 100644
--- a/examples/bluetooth/gatt_security_server/main/example_ble_sec_gatts_demo.c
+++ b/examples/bluetooth/gatt_security_server/main/example_ble_sec_gatts_demo.c
@@ -316,6 +316,7 @@ static void gap_event_handler(esp_gap_ble_cb_event_t event, esp_ble_gap_cb_param
         break;
     case ESP_GAP_BLE_PASSKEY_REQ_EVT:                           /* passkey request event */
         ESP_LOGI(GATTS_TABLE_TAG, "ESP_GAP_BLE_PASSKEY_REQ_EVT");
+        /* Call the following function to input the passkey which is displayed on the remote device */
         //esp_ble_passkey_reply(heart_rate_profile_tab[HEART_PROFILE_APP_IDX].remote_bda, true, 0x00);
         break;
     case ESP_GAP_BLE_OOB_REQ_EVT:                                /* OOB request event */
@@ -329,7 +330,8 @@ static void gap_event_handler(esp_gap_ble_cb_event_t event, esp_ble_gap_cb_param
         break;
     case ESP_GAP_BLE_NC_REQ_EVT:
         /* The app will receive this evt when the IO has DisplayYesNO capability and the peer device IO also has DisplayYesNo capability.
-        show the passkey number to the user to confirm it with the number displayed by peer deivce. */
+        show the passkey number to the user to confirm it with the number displayed by peer device. */
+        esp_ble_confirm_reply(param->ble_security.ble_req.bd_addr, true);
         ESP_LOGI(GATTS_TABLE_TAG, "ESP_GAP_BLE_NC_REQ_EVT, the passkey Notify number:%d", param->ble_security.key_notif.passkey);
         break;
     case ESP_GAP_BLE_SEC_REQ_EVT: