diff --git a/web/app/dashboard/conversations/_components/chat-panel.tsx b/web/app/dashboard/conversations/_components/chat-panel.tsx
index 7a93853..119d81c 100644
--- a/web/app/dashboard/conversations/_components/chat-panel.tsx
+++ b/web/app/dashboard/conversations/_components/chat-panel.tsx
@@ -173,7 +173,7 @@ export function ChatPanel() {
       toast.error(error instanceof Error ? error.message : "设置已读失败");
     });
   }, [
-    conversation,
+    conversation?.id,
     getViewport,
     isNearBottom,
     loading,
diff --git a/web/components/kefu/chat-shell.tsx b/web/components/kefu/chat-shell.tsx
index 2aab1a0..8949455 100644
--- a/web/components/kefu/chat-shell.tsx
+++ b/web/components/kefu/chat-shell.tsx
@@ -137,7 +137,7 @@ export function KefuChatShell() {
     void markConversationRead().catch((readError) => {
       console.error("Failed to mark kefu conversation read", readError)
     })
-  }, [conversation, isVisible, markConversationRead])
+  }, [conversation?.id, isVisible, markConversationRead])
 
   useEffect(() => {
     return bindKefuHostBridge({