diff --git a/projects/app/src/pages/chat/share.tsx b/projects/app/src/pages/chat/share.tsx
index 9e4a7e7b1..da481ea7f 100644
--- a/projects/app/src/pages/chat/share.tsx
+++ b/projects/app/src/pages/chat/share.tsx
@@ -84,6 +84,17 @@ const OutLink = ({
       const prompts = messages.slice(-2);
       const completionChatId = chatId ? chatId : nanoid();
 
+      //post message to report chat start
+      window.top?.postMessage(
+        {
+          type: 'shareChatStart',
+          data: {
+            question: prompts[0]?.content
+          }
+        },
+        '*'
+      );
+
       const { responseText, responseData } = await streamFetch({
         data: {
           messages: prompts,