diff --git a/components/esp_wifi/include/esp_mesh.h b/components/esp_wifi/include/esp_mesh.h
index f146b5e730..4a94511b62 100644
--- a/components/esp_wifi/include/esp_mesh.h
+++ b/components/esp_wifi/include/esp_mesh.h
@@ -188,7 +188,8 @@ typedef enum {
     MESH_EVENT_PARENT_DISCONNECTED,     /**< parent is disconnected on station interface */
     MESH_EVENT_NO_PARENT_FOUND,         /**< no parent found */
     MESH_EVENT_LAYER_CHANGE,            /**< layer changes over the mesh network */
-    MESH_EVENT_TODS_STATE,              /**< state represents whether the root is able to access external IP network */
+    MESH_EVENT_TODS_STATE,              /**< state represents whether the root is able to access external IP network.
+                                             This state is a manual event that needs to be triggered with esp_mesh_post_toDS_state(). */
     MESH_EVENT_VOTE_STARTED,            /**< the process of voting a new root is started either by children or by the root */
     MESH_EVENT_VOTE_STOPPED,            /**< the process of voting a new root is stopped */
     MESH_EVENT_ROOT_ADDRESS,            /**< the root address is obtained. It is posted by mesh stack automatically. */
@@ -1189,7 +1190,10 @@ esp_err_t esp_mesh_get_rx_pending(mesh_rx_pending_t *pending);
 int esp_mesh_available_txupQ_num(const mesh_addr_t *addr, uint32_t *xseqno_in);
 
 /**
- * @brief      Set the number of queue
+ * @brief      Set the number of RX queue for the node, the average number of window allocated to one of
+ *             its child node is: wnd = xon_qsize / (2 * max_connection + 1).
+ *             However, the window of each child node is not strictly equal to the average value,
+ *             it is affected by the traffic also.
  *
  * @attention  This API shall be called before mesh is started.
  *
diff --git a/components/esp_wifi/lib b/components/esp_wifi/lib
index b338f58184..316f3bee42 160000
--- a/components/esp_wifi/lib
+++ b/components/esp_wifi/lib
@@ -1 +1 @@
-Subproject commit b338f581840c4e77cf5af1469185b5905ab3203f
+Subproject commit 316f3bee42e25a134205b2487bc4865214cd4368
diff --git a/docs/en/api-reference/network/esp_now.rst b/docs/en/api-reference/network/esp_now.rst
index 626a11db0a..8a46f6d24e 100644
--- a/docs/en/api-reference/network/esp_now.rst
+++ b/docs/en/api-reference/network/esp_now.rst
@@ -21,7 +21,7 @@ ESP-NOW uses a vendor-specific action frame to transmit ESP-NOW data. The defaul
     ------------------------------------------------------------------------------------------------------------
     | MAC Header | Category Code | Organization Identifier | Random Values | Vendor Specific Content |   FCS   |
     ------------------------------------------------------------------------------------------------------------
-      24 bytes         1 byte              3 bytes               4 bytes             7~255 bytes        4 bytes 
+      24 bytes         1 byte              3 bytes               4 bytes             7~257 bytes        4 bytes 
 
 - Category Code: The Category Code field is set to the value(127) indicating the vendor-specific category.
 - Organization Identifier: The Organization Identifier contains a unique identifier (0x18fe34), which is the first three bytes of MAC address applied by Espressif.
diff --git a/docs/zh_CN/api-reference/network/esp_now.rst b/docs/zh_CN/api-reference/network/esp_now.rst
index a61b32e052..bbdd8eecd9 100644
--- a/docs/zh_CN/api-reference/network/esp_now.rst
+++ b/docs/zh_CN/api-reference/network/esp_now.rst
@@ -21,7 +21,7 @@ ESP-NOW 使用各个供应商的动作帧传输数据，默认比特率为 1 Mbp
     -----------------------------------------------------------------------------------------
     |   MAC 报头   |  分类代码  |  组织标识符  |  随机值  |  供应商特定内容  |   FCS   |
     -----------------------------------------------------------------------------------------
-       24 字节        1 字节        3 字节      4 字节      7~255 字节       4 字节
+       24 字节        1 字节        3 字节      4 字节      7~257 字节       4 字节
 
 - 分类代码：分类代码字段可用于指示各个供应商的类别（比如 127）。
 - 组织标识符：组织标识符包含一个唯一标识符 (比如 0x18fe34)，为乐鑫指定的 MAC 地址的前三个字节。