diff --git a/docs/Application_guide/en/helios-sdk/quick-start.md b/docs/Application_guide/en/helios-sdk/quick-start.md
index 391d3b0eb15c2a0fdb0fb7b712a71475b9867c8b..389159b0e6cded7b73c5b7a8d842b174ed3b504c 100644
--- a/docs/Application_guide/en/helios-sdk/quick-start.md
+++ b/docs/Application_guide/en/helios-sdk/quick-start.md
@@ -52,14 +52,7 @@ sudo apt install p7zip-full git make python3
 
 ## 3. Code Retrieval
 
-Execute the following commands in order in the command line to retrieve the complete SDK code.
-```
-git clone https://gitee.com/quecpython/HeliosSDK.git
-cd HeliosSDK
-git submodule init
-git submodule update
-```
-
+Please contact the [QuecPython technical team](https://python.quectel.com/contactus) for the source code of HeliosSDK, You can also get supports through email QuecPython@quectel.com.
 ## 4. SDK Directory Structure
 
 The following figure shows the directory structure of the SDK. Different colors represent different meanings:
diff --git a/docs/Application_guide/zh/helios-sdk/quick-start.md b/docs/Application_guide/zh/helios-sdk/quick-start.md
index 9b618990efe86e0a2105c3281af5b498494a8290..4234e9ff42fde642328c7f76982972c1547efbdc 100644
--- a/docs/Application_guide/zh/helios-sdk/quick-start.md
+++ b/docs/Application_guide/zh/helios-sdk/quick-start.md
@@ -52,13 +52,7 @@ sudo apt install p7zip-full git make python3
 
 ## 3. 代码拉取
 
-在命令行中按照顺序分别执行以下命令，即可拉取完整的SDK代码。
-```
-git clone https://gitee.com/quecpython/HeliosSDK.git
-cd HeliosSDK
-git submodule init
-git submodule update
-```
+请联系[QuecPython技术团队](https://python.quectel.com/contactus)获取`HeliosSDK`源代码，您也可以通过邮箱 QuecPython@quectel.com 来获取相关支持。
 
 ## 4. SDK目录结构