diff --git a/quickstart/chatwitheino/cmd/ch06/main.go b/quickstart/chatwitheino/cmd/ch06/main.go
index ad21bc8..6f6f458 100644
--- a/quickstart/chatwitheino/cmd/ch06/main.go
+++ b/quickstart/chatwitheino/cmd/ch06/main.go
@@ -33,8 +33,8 @@ import (
 
 	"github.com/google/uuid"
 
-	clc "github.com/cloudwego/eino-ext/callbacks/cozeloop"
 	localbk "github.com/cloudwego/eino-ext/adk/backend/local"
+	clc "github.com/cloudwego/eino-ext/callbacks/cozeloop"
 	"github.com/cloudwego/eino/adk"
 	"github.com/cloudwego/eino/adk/prebuilt/deep"
 	"github.com/cloudwego/eino/callbacks"
diff --git a/quickstart/chatwitheino/cmd/ch07/main.go b/quickstart/chatwitheino/cmd/ch07/main.go
index 1dca26b..a219b39 100644
--- a/quickstart/chatwitheino/cmd/ch07/main.go
+++ b/quickstart/chatwitheino/cmd/ch07/main.go
@@ -33,8 +33,8 @@ import (
 
 	"github.com/google/uuid"
 
-	clc "github.com/cloudwego/eino-ext/callbacks/cozeloop"
 	localbk "github.com/cloudwego/eino-ext/adk/backend/local"
+	clc "github.com/cloudwego/eino-ext/callbacks/cozeloop"
 	"github.com/cloudwego/eino/adk"
 	"github.com/cloudwego/eino/adk/prebuilt/deep"
 	"github.com/cloudwego/eino/callbacks"
diff --git a/quickstart/chatwitheino/cmd/ch08/main.go b/quickstart/chatwitheino/cmd/ch08/main.go
index d3952ec..a293cba 100644
--- a/quickstart/chatwitheino/cmd/ch08/main.go
+++ b/quickstart/chatwitheino/cmd/ch08/main.go
@@ -33,8 +33,8 @@ import (
 
 	"github.com/google/uuid"
 
-	clc "github.com/cloudwego/eino-ext/callbacks/cozeloop"
 	localbk "github.com/cloudwego/eino-ext/adk/backend/local"
+	clc "github.com/cloudwego/eino-ext/callbacks/cozeloop"
 	"github.com/cloudwego/eino/adk"
 	"github.com/cloudwego/eino/adk/prebuilt/deep"
 	"github.com/cloudwego/eino/callbacks"