diff --git a/quickstart/eino_assistant/cmd/einoagent/agent/agent.go b/quickstart/eino_assistant/cmd/einoagent/agent/agent.go
index a1aed8e..ad3bb3b 100644
--- a/quickstart/eino_assistant/cmd/einoagent/agent/agent.go
+++ b/quickstart/eino_assistant/cmd/einoagent/agent/agent.go
@@ -25,6 +25,7 @@ import (
 	"os"
 	"sync"
 
+	"github.com/cloudwego/eino-ext/callbacks/langfuse"
 	"github.com/cloudwego/eino/callbacks"
 	"github.com/cloudwego/eino/compose"
 	"github.com/cloudwego/eino/schema"