diff --git a/frontend/app/src/components/chat/chat-controller.ts b/frontend/app/src/components/chat/chat-controller.ts
index 710d0672..8b8a71e2 100644
--- a/frontend/app/src/components/chat/chat-controller.ts
+++ b/frontend/app/src/components/chat/chat-controller.ts
@@ -206,6 +206,14 @@ export class ChatController<State extends AppChatStreamState = AppChatStreamStat
     const newCreated = !this.chat;
     this.chat = { ...this.chat, ...chat };
     this.emit(newCreated ? 'created' : 'updated', this.chat);
+
+    if (process.env.NEXT_PUBLIC_IS_WIDGET) {
+      if (newCreated) {
+        window.dispatchEvent(new CustomEvent('tidbainewchat', {
+          detail: { id: chat.id },
+        }));
+      }
+    }
   }
 
   upsertMessage (message: ChatMessage): void {
@@ -240,7 +248,7 @@ export class ChatController<State extends AppChatStreamState = AppChatStreamStat
         break;
       case 'tool_result':
         this._processToolResultPart(ongoingMessageController, part);
-        break
+        break;
       case 'finish_step':
 
       case 'finish_message':
diff --git a/frontend/app/src/components/chat/chat-hooks.tsx b/frontend/app/src/components/chat/chat-hooks.tsx
index e4f126c6..a1dd968e 100644
--- a/frontend/app/src/components/chat/chat-hooks.tsx
+++ b/frontend/app/src/components/chat/chat-hooks.tsx
@@ -30,7 +30,7 @@ const ChatsContext = createContext<ChatsProviderValues>({
 
 const ChatControllerContext = createContext<ChatController | null>(null);
 
-export function ChatsProvider ({ onChatCreated, children }: { children: ReactNode, onChatCreated?: (id: string, chat: Chat, controller: ChatController) => void }) {
+export function ChatsProvider ({ onChatCreated, children }: { children: ReactNode, /** @deprecated */onChatCreated?: (id: string, chat: Chat, controller: ChatController) => void }) {
   const bootstrapStatusRef = useLatestRef(useBootstrapStatus());
   const [chats, setChats] = useState(() => new Map<string, ChatController>);
 
diff --git a/frontend/packages/widget-react/src/Widget.tsx b/frontend/packages/widget-react/src/Widget.tsx
index a2ffbfdb..8d7b743b 100644
--- a/frontend/packages/widget-react/src/Widget.tsx
+++ b/frontend/packages/widget-react/src/Widget.tsx
@@ -140,13 +140,7 @@ export const Widget = forwardRef<WidgetInstance, WidgetProps>(({ container, trig
     <PortalProvider container={container}>
       <BootstrapStatusProvider bootstrapStatus={bootstrapStatus}>
         <ExperimentalFeaturesProvider features={experimentalFeatures}>
-          <ChatsProvider
-            onChatCreated={id => {
-              window.dispatchEvent(new CustomEvent('tidbainewchat', {
-                detail: { id },
-              }));
-            }}
-          >
+          <ChatsProvider>
             <Dialog open={open} onOpenChange={(open) => {
               setOpen(open);
               if (!open) {