diff --git a/README.md b/README.md
index 1fa1e3d..1d043e1 100644
--- a/README.md
+++ b/README.md
@@ -32,4 +32,14 @@ $private = file_get_contents(dirname(__FILE__).DIRECTORY_SEPARATOR.'private_key'
 $api->SetPrivateKey($private);
 $sig = $api->genSig('xiaojun', 24*3600*180);
 var_export($sig);
-```
\ No newline at end of file
+```
+
+### 源代码集成
+```php
+require 'vendor/autoload.php';
+```
+直接上面的 ```require``` 语句替换为下面的
+```php
+require "TLSSigAPI.php";
+```
+注意语句的路径需要随着 api 文件的存放路径而修改。
\ No newline at end of file