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diff --git a/docs/sbs/zh/sbs/http.md b/docs/sbs/zh/sbs/http.md
index 5e7be89307a6a7443ca07cf6584ed674b5bb3025..f5cd2bc69e4c01f1ab36a8d05402db8612a3163a 100644
--- a/docs/sbs/zh/sbs/http.md
+++ b/docs/sbs/zh/sbs/http.md
@@ -1,20 +1,19 @@
-### HTTP应用 开发指导
+# HTTP应用 开发指导
 
-#### **HTTP协议基础**
-
-**HTTP协议**
+## HTTP协议基础
+### HTTP协议
 
 HTTP协议是用于从万维网服务器传输超文本到本地浏览器的传送协议。基于TCP的应用层协议，它不关心数据传输的细节，HTTP（超文本传输协议）是一个基于请求与响应模式的、无状态的、应用层的协议，只有遵循统一的HTTP请求格式，服务器才能正确解析不同客户端发的请求，同样地，服务器遵循统一的响应格式，客户端才得以正确解析不同网站发过来的响应。
 
 ![Client与Server通信](media/de988b13c542b7f454d13cc183693d82.png)
 
-#### HTTP请求
+## HTTP请求
 
 HTTP请求由请求行、请求头、空行、请求体组成。
 
 ![HTTP请求构成](media/30dd898d830b27416fd3b691ae64e3dd.png)
 
-**请求行**
+### 请求行
 
 请求行由请求方式 + address+ 协议版本组成。
 
@@ -24,7 +23,7 @@ HTTP请求由请求行、请求头、空行、请求体组成。
 
 -   协议版本：客户端使用的HTTP协议版本号（目前使用的是http1.1）。
 
-**请求头**
+### 请求头
 
 请求头是客户端向服务器发送请求的补充说明。
 
@@ -44,7 +43,7 @@ HTTP请求由请求行、请求头、空行、请求体组成。
 
 -   Accept：浏览器可接受的媒体类型。
 
-**请求体**
+### 请求体
 
 请求体携带请求参数。
 
@@ -58,13 +57,13 @@ HTTP请求由请求行、请求头、空行、请求体组成。
 
 -   content-type：octets/stream。
 
-#### HTTP响应
+## HTTP响应
 
 HTTP响应由状态行、响应头、空行、响应体组成。
 
 ![HTTP响应构成](media/800f014c0ddfdeeef025fd803aa23697.png)
 
-**状态行**
+### 状态行
 
 状态行由HTTP 版本号 + 响应状态码 + 状态说明组成。
 
@@ -80,15 +79,15 @@ HTTP响应由状态行、响应头、空行、响应体组成。
 
 -   5XX：服务器端错误 - 服务器未能实现合法的请求响应头。
 
-**响应头**
+### 响应头
 
 响应头与请求头对应，是服务器对该响应的一些附加说明。
 
-**响应体**
+### 响应体
 
 为真正的响应数据，即为网页的HTML源代码。
 
-#### address
+## address
 
 address是WWW的统一资源定位标志，就是指网络地址。
 
@@ -108,7 +107,7 @@ address格式：https://host:port/path?xxx=aaa&ooo=bbb
 
 -   address-params：问号后面的是请求参数，格式：xxx=aaa。多个参数用&符号连接
 
-#### HTTP协议请求方法
+## HTTP协议请求方法
 
 HTTP1.0定义了三种请求方法：GET、POST和HEAD方法。HTTP1.1新增了五种请求方法：OPTIONS、PUT、DELETE、TRACE和CONNECT方法。
 
@@ -129,9 +128,9 @@ HTTP1.0定义了三种请求方法：GET、POST和HEAD方法。HTTP1.1新增了
 
 -   CONNECT：*HTTP1.1*协议中预留给能够将连接改为管道方式的代理服务器。
 
-#### HTTP接口
+## HTTP接口
 
-**request.get**
+### request.get
 
 该函数用于发送GET请求。
 
@@ -153,7 +152,7 @@ request.get(address, data, json, headers)
 
 返回请求对象
 
-**request.post**
+### request.post
 
 该函数用于发送POST请求。
 
@@ -175,7 +174,7 @@ request.post(address, data, json, headers)
 
 返回请求对象
 
-**request.put**
+### request.put
 
 该函数用于发送PUT请求。
 
@@ -197,7 +196,7 @@ request.put(address, data, json, headers)
 
 返回请求对象
 
-**request.head**
+### request.head
 
 该函数用于发送HEAD请求。
 
@@ -219,7 +218,7 @@ request.head(address, data, json, headers)
 
 返回请求对象
 
-**request.patch**
+### request.patch
 
 该函数用于发送PATCH请求。
 
@@ -241,7 +240,7 @@ request.patch(address, data, json, headers)
 
 返回请求对象
 
-**request.delete**
+### request.delete
 
 该函数用于发送DELETE请求。
 
@@ -263,7 +262,7 @@ request.delete(address, data, json, headers)
 
 返回请求对象
 
-**reponse类方法说明**
+### reponse类方法说明
 
 response =request.get(address)
 
@@ -274,18 +273,19 @@ response =request.get(address)
 | response.json()  | 返回响应的json编码内容并转为dict类型    |
 | response.close() | 关闭socket                              |
 
-#### 示例
+## 示例
 
-将QuecPython开发板连接至电脑，接入后的操作方法详见《Quectel_QuecPython_基础操作说明》。
+将QuecPython开发板连接至电脑，接入后的操作方法详见[《Quectel_QuecPython_基础操作说明》](https://python.quectel.com/doc/doc/sbs/zh/index.html)。
 
-开发板连接至电脑后，创建*test.py*文件，导入QuecPython的*request*模块，分别创建HTTP GET/PUT/POST/DELETE等请求代码，编写完成后，将文件上传到开发板内并运行*test.py*文件，方法详见《Quectel_QuecPython_基础操作说明》。示例代码及运行结果详见如下章节。
+开发板连接至电脑后，创建*test.py*文件，导入QuecPython的*request*模块，分别创建HTTP GET/PUT/POST/DELETE等请求代码，编写完成后，将文件上传到开发板内并运行*test.py*文件，方法详见[《Quectel_QuecPython_基础操作说明》](https://python.quectel.com/doc/doc/sbs/zh/index.html)。示例代码及运行结果详见如下章节。
 
-![开发板与电脑连接](media/6bb2bca69cee76f3586799191dd2cc87.jpeg)
+![开发板与电脑连接](media/QuecPytgon_sbs_http_01.png)
 
-**请求POST**
+### 请求POST
 
 -   **示例代码**
 
+```python
 import request 
 
 import ujson  
@@ -294,110 +294,117 @@ address = "http://httpbin.org/post"
 
 data = {"key1": "value1", "key2": "value2", "key3": "value3"}  
 
-**POST请求** 
+### POST请求
 
 response = request.post(address, data=ujson.dumps(data)) 
 
-print(response.text) 
-
+print(response.json()) 
+```
 
 -   **代码运行结果**
 
-![](media/ca55e37f24bee44fa77138e1083be1d1.png)
+![](media/QuecPytgon_sbs_http_02.png)
 
-**请求GET**
+### 请求GET
 
 -   **示例代码**
 
+```python
 import request  
 
 address = "http://httpbin.org/get"  
 
-**GET请求**
+### GET请求
 
 response = request.get(address) 
 
-print(response.text)
-
+print(response.json())
+```
 
 -   **代码运行结果**
 
-![](media/ac0ebee2450a2170f52aeeb36f06ef03.png)
+![](media/QuecPytgon_sbs_http_03.png)
 
-**请求PUT**
+### 请求PUT
 
 -   **示例代码**
 
+```python
 import request 
 
 address = "http://httpbin.org/put"  
 
-**PUT请求** 
+### PUT请求
 
 response = request.put(address) 
 
-print(response.text)
+print(response.json())
+```
 
+![](media/QuecPytgon_sbs_http_04.png)
 
-![](media/2f3227680733adae0aa17b3b6518adb9.png)
-
-**请求**PATCH
+### 请求PATCH
 
 -   **示例代码**
 
+```python
 import request  
 
 address = "http://httpbin.org/patch"  
 
-**PATCH请求** 
+### PATCH请求
 
 response = request.patch(address) 
 
-print(response.text)
+print(response.json())
+```
 
 -   **代码运行结果**
 
-![](media/480312d532ba119833ca7a16b897e409.png)
+![](media/QuecPytgon_sbs_http_05.png)
 
-**请求DELETE**
+### 请求DELETE
 
 -   **示例代码**
 
+```python
 import request 
 
 address = "http://httpbin.org/delete"  
 
-**DELETE请求** 
+### DELETE请求
 
 response = request.delete(address) 
 
-print(response.text)
-
+print(response.json())
+```
 
 -   **代码运行结果**
 
-![](media/e3245758512d024f27619fd8e359d53c.png)
+![](media/QuecPytgon_sbs_http_06.png)
 
-**请求HTTP连接**
+### 请求HTTP连接
 
 -   **示例代码**
 
+```python
 import request 
 
 address = "https://myssl.com" 
 
-**HTTPS请求** 
+### HTTPS请求
 
 response = request.get(address) 
 
-print(response.text)
-
+for i in response.text:
+        print(i)
+```
 
 -   **代码运行结果**
 
-![](media/fbea842752b5a5006c5a5cdac1632304.png)
+![](media/QuecPytgon_sbs_http_07.png)
 
-#### 附录A术语缩写
+### 附录A术语缩写
 
 表1：术语缩写
 
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