diff --git a/README.md b/README.md
index 8a78612..fece51c 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@ You only need to integrate Chat SDK to easily gain chat, conversation, group cap
 
 ## Check Out Our Sample Apps
 This document introduces how to quickly run the Chat demo on the iOS platform.
-[<img src="https://im.sdk.qcloud.com/tools/resource/GitHubResource/build_ios_chat_app.png" width="800"/>](https://www.youtube.com/watch?v=lawzmfW9vls)
+[<img src="https://im.sdk.qcloud.com/tools/resource/GitHubResource/build_flutter_chat_app.png" width="800"/>](https://www.youtube.com/watch?v=lawzmfW9vls)
 
 For the other platforms, please refer to document：
 - [**chat-uikit-android**](https://github.com/TencentCloud/chat-uikit-android)
diff --git a/README_ZH.md b/README_ZH.md
index 6839c3e..ecf475a 100644
--- a/README_ZH.md
+++ b/README_ZH.md
@@ -8,7 +8,7 @@ TUIKit 效果图如下所示：
 ![img](https://qcloudimg.tencent-cloud.cn/raw/f140dd76be01a65abfb7e6ba2bf50ed5.png)
 
 快速集成 TUIKit 组件请参考视频：
-[<img src="https://im.sdk.qcloud.com/tools/resource/GitHubResource/build_ios_chat_app.png" width="800"/>](https://www.youtube.com/watch?v=lawzmfW9vls)
+[<img src="https://im.sdk.qcloud.com/tools/resource/GitHubResource/build_flutter_chat_app.png" width="800"/>](https://www.youtube.com/watch?v=lawzmfW9vls)
 
 TUIKit 主要 Widget 如下：
 - TIMUIKitConversation 会话组件