diff --git a/components/esp_wifi/include/esp_wifi.h b/components/esp_wifi/include/esp_wifi.h
index 109af95c971..414e8cf9684 100644
--- a/components/esp_wifi/include/esp_wifi.h
+++ b/components/esp_wifi/include/esp_wifi.h
@@ -1067,6 +1067,9 @@ typedef void (*esp_vendor_ie_cb_t)(void *ctx, wifi_vendor_ie_type_t type, const
   * @param     vnd_ie Pointer to vendor specific element data. First 6 bytes should be a header with fields matching vendor_ie_data_t.
   *            If enable is false, this argument is ignored and can be NULL. Data does not need to remain valid after the function returns.
   *
+  * @attention If user set the same vendor ie twice, the second set will fail and return ESP_ERR_INVALID_ARG.
+  *            Please clear the vendor ie before setting again.
+  *
   * @return
   *    - ESP_OK: succeed
   *    - ESP_ERR_WIFI_NOT_INIT: WiFi is not initialized by esp_wifi_init()
diff --git a/components/esp_wifi/lib b/components/esp_wifi/lib
index 3511ef2b976..6a6cc5af51a 160000
--- a/components/esp_wifi/lib
+++ b/components/esp_wifi/lib
@@ -1 +1 @@
-Subproject commit 3511ef2b9761d38dbac3687fb56b960945040b4a
+Subproject commit 6a6cc5af51a82377138c23cfd118aaba7d8c1d38