diff --git a/docs/zh_CN/api-guides/blufi.rst b/docs/zh_CN/api-guides/blufi.rst
index 1f9ec8905..043b24e57 100644
--- a/docs/zh_CN/api-guides/blufi.rst
+++ b/docs/zh_CN/api-guides/blufi.rst
@@ -81,35 +81,64 @@ BluFi 传输格式
 
 帧不分片情况下的标准格式 (8 bit)：
 
-+------------+---------------+-----------------+-------------+----------------+----------------+
-| LSB - Type | Frame Control | Sequence Number | Data Length | Data           | MSB - CheckSum |
-+============+===============+=================+=============+================+================+
-| 1          | 1             | 1               | 1           | ${Data Length} | 2              |
-+------------+---------------+-----------------+-------------+----------------+----------------+
++-----------------+----------------+
+|   Description   |     Value      |
++=================+================+
+| LSB - Type      | 1              |
++-----------------+----------------+
+| Frame Control   | 1              |
++-----------------+----------------+
+| Sequence Number | 1              |
++-----------------+----------------+
+| Data Length     | 1              |
++-----------------+----------------+
+| Data            | ${Data Length} |
++-----------------+----------------+
+| MSB - CheckSum  | 2              |
++-----------------+----------------+
 
 如果 **Frame Control** 帧中的 **More Frag** 使能，则 **Total Content Length** 为数据帧中剩余部分的总长度，用于报告终端需要分配多少内存。
 
 帧分片格式（8 bit）：
 
-+------------+--------------------+----------------+------------+-------------------------------------------+----------------+
-| LSB - Type | FrameControl(Frag) | SequenceNumber | DataLength | Data                                      | MSB - CheckSum |
-+            +                    +                +            +----------------------+--------------------+                +
-|            |                    |                |            | Total Content Length | Content            |                |
-+============+====================+================+============+======================+====================+================+
-| 1          | 1                  | 1              | 1          | 2                    | ${Data Length} - 2 | 2              |
-+------------+--------------------+----------------+------------+----------------------+--------------------+----------------+
++--------------------+-------------------------------------------+
+| Description        | Value                                     |
++====================+===========================================+
+| LSB - Type         | 1                                         |
++--------------------+-------------------------------------------+
+| FrameControl(Frag) | 1                                         |
++--------------------+-------------------------------------------+
+| SequenceNumber     | 1                                         |
++--------------------+-------------------------------------------+
+| DataLength         | 1                                         |
++--------------------+----------------------+--------------------+
+|                    | Total Content Length | 2                  |
++ Data               +----------------------+--------------------+
+|                    | Content              | ${Data Length} - 2 |
++--------------------+----------------------+--------------------+
+| MSB - CheckSum     | 2                                         |
++--------------------+-------------------------------------------+
 
 通常情况下，控制帧不包含数据位，Ack 帧类型除外。
 
 Ack 帧格式（8 bit）：
 
-+------------------+---------------+-----------------+-------------+-----------------------+----------------+
-| LSB - Type (Ack) | Frame Control | SequenceNumber  | Data Length | Data                  | MSB - CheckSum |
-+                  +               +                 +             +-----------------------+                +
-|                  |               |                 |             | Acked Sequence Number |                |
-+==================+===============+=================+=============+=======================+================+
-| 1                | 1             | 1               | 1           | 1                     | 2              |
-+------------------+---------------+-----------------+-------------+-----------------------+----------------+
++------------------+--------------------------------------------+
+| Description      | Value                                      |
++------------------+--------------------------------------------+
+| LSB - Type (Ack) | 1                                          |
++------------------+--------------------------------------------+
+| Frame Control    | 1                                          |
++------------------+--------------------------------------------+
+| SequenceNumber   | 1                                          |
++------------------+--------------------------------------------+
+| DataLength       | 1                                          |
++------------------+-----------------------+--------------------+
++ Data             + Acked Sequence Number + 2                  +
+|                  |                       |                    |
++------------------+-----------------------+--------------------+
+| MSB - CheckSum   | 2                                          |
++------------------+--------------------------------------------+ 
 
 1. Type
 
@@ -424,4 +453,4 @@ BluFi （ESP32 -> 手机） 特性：0xFF02，主要权限：可读可通知
 
 	1. 目前 Ack 机制已经在该 Profile 协议中定义，但是还没有代码实现。
 	
-	2. 其他部分均已实现。
+	2. 其他部分均已实现。
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