diff --git a/README.md b/README.md
index 543ea6a..c52b670 100644
--- a/README.md
+++ b/README.md
@@ -5,8 +5,7 @@ Use this SDK to add instant messaging capabilities to your Flutter app. By conne
 
 The underlying SDK core is implemented in [OpenIM SDK Core](https://github.com/openimsdk/openim-sdk-core). Using [gomobile](https://github.com/golang/mobile), it can be compiled into an AAR file for Android integration. Android interacts with the [OpenIM SDK Core](https://github.com/openimsdk/openim-sdk-core) through JSON, and the SDK exposes a re-encapsulated API for easy usage. In terms of data storage, Android utilizes the SQLite layer provided internally by the [OpenIM SDK Core](https://github.com/openimsdk/openim-sdk-core).
 
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-
+The underlying SDK core is implemented in [OpenIM SDK Core](https://github.com/openimsdk/openim-sdk-core). Using [gomobile](https://github.com/golang/mobile), it can be compiled into an XCFramework for iOS integration. iOS interacts with the [OpenIM SDK Core](https://github.com/openimsdk/openim-sdk-core) through JSON, and the SDK exposes a re-encapsulated API for easy usage. In terms of data storage, iOS utilizes the SQLite layer provided internally by the [OpenIM SDK Core](https://github.com/openimsdk/openim-sdk-core).
 
 ## Documentation 📚