diff --git a/devops/debug/graph/graph.go b/devops/debug/graph/graph.go
index fbaf2eb..8c5e198 100644
--- a/devops/debug/graph/graph.go
+++ b/devops/debug/graph/graph.go
@@ -18,7 +18,6 @@ package graph
 
 import (
 	"context"
-
 	"github.com/cloudwego/eino/compose"
 
 	"github.com/cloudwego/eino-examples/internal/logs"
@@ -61,3 +60,51 @@ func RegisterSimpleGraph(ctx context.Context) {
 
 	logs.Infof("eino simple graph output is: %v", message)
 }
+
+type NodeInfo struct {
+	Message string
+}
+
+func RegisterGraphOfInterfaceType(ctx context.Context) {
+	g := compose.NewGraph[any, string]()
+
+	_ = g.AddLambdaNode("node_1", compose.InvokableLambda(func(ctx context.Context, input *NodeInfo) (output string, err error) {
+		if input == nil {
+			return "", nil
+		}
+		return input.Message + " process by node_1,", nil
+	}))
+
+	_ = g.AddLambdaNode("node_2", compose.InvokableLambda(func(ctx context.Context, input string) (output string, err error) {
+		return input + " process by node_2,", nil
+	}))
+
+	_ = g.AddLambdaNode("node_3", compose.InvokableLambda(func(ctx context.Context, input string) (output string, err error) {
+		return input + " process by node_3,", nil
+	}))
+
+	_ = g.AddEdge(compose.START, "node_1")
+
+	_ = g.AddEdge("node_1", "node_2")
+
+	_ = g.AddEdge("node_2", "node_3")
+
+	_ = g.AddEdge("node_3", compose.END)
+
+	r, err := g.Compile(ctx)
+	if err != nil {
+		logs.Errorf("compile graph failed, err=%v", err)
+		return
+	}
+
+	message, err := r.Invoke(ctx, &NodeInfo{
+		Message: "test data",
+	})
+
+	if err != nil {
+		logs.Errorf("invoke graph failed, err=%v", err)
+		return
+	}
+
+	logs.Infof("eino simple graph output is: %v", message)
+}
diff --git a/devops/debug/main.go b/devops/debug/main.go
index 8b32bbf..220d2a6 100644
--- a/devops/debug/main.go
+++ b/devops/debug/main.go
@@ -32,8 +32,7 @@ import (
 func main() {
 	ctx := context.Background()
 
-	// Init eino devops server
-	err := devops.Init(ctx)
+	err := devops.Init(ctx, devops.AppendType(&graph.NodeInfo{}))
 	if err != nil {
 		logs.Errorf("[eino dev] init failed, err=%v", err)
 		return
@@ -44,6 +43,8 @@ func main() {
 	graph.RegisterSimpleGraph(ctx)
 	graph.RegisterSimpleStateGraph(ctx)
 
+	graph.RegisterGraphOfInterfaceType(ctx)
+
 	// Blocking process exits
 	sigs := make(chan os.Signal, 1)
 	signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)
diff --git a/go.mod b/go.mod
index 4d15bad..92d9d44 100644
--- a/go.mod
+++ b/go.mod
@@ -10,7 +10,7 @@ require (
 	github.com/cloudwego/eino-ext/components/model/openai v0.0.0-20250114173536-ca9322ed9f9a
 	github.com/cloudwego/eino-ext/components/retriever/volc_vikingdb v0.0.0-20250108030439-1493aa120cb1
 	github.com/cloudwego/eino-ext/components/tool/duckduckgo v0.0.0-20250116120445-4165a5358a34
-	github.com/cloudwego/eino-ext/devops v0.0.0-20250116071241-3f1eaaafd49c
+	github.com/cloudwego/eino-ext/devops v0.0.0-20250120131302-5fded775a2a2
 	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc
 	github.com/getkin/kin-openapi v0.118.0
 	github.com/ollama/ollama v0.3.0
diff --git a/go.sum b/go.sum
index 59f19ef..a8187d7 100644
--- a/go.sum
+++ b/go.sum
@@ -108,8 +108,8 @@ github.com/cloudwego/eino-ext/components/retriever/volc_vikingdb v0.0.0-20250108
 github.com/cloudwego/eino-ext/components/retriever/volc_vikingdb v0.0.0-20250108030439-1493aa120cb1/go.mod h1:lj6h0MYtiEGwWDVdkOd4VmZBF7JVWV5bNxv0/r2C+W0=
 github.com/cloudwego/eino-ext/components/tool/duckduckgo v0.0.0-20250116120445-4165a5358a34 h1:uiAF49aHUfOW3hT8dJzrrrCt7dTqoSlUynp18C5QKPU=
 github.com/cloudwego/eino-ext/components/tool/duckduckgo v0.0.0-20250116120445-4165a5358a34/go.mod h1:Do8C+KMH+3PiF/jYV/8oFQz+UvCTrThswB9fZWiqfgI=
-github.com/cloudwego/eino-ext/devops v0.0.0-20250116071241-3f1eaaafd49c h1:WslgauCA6SisgAPn7cNlhHrmJsX5Fq/tG+87oYCTH3s=
-github.com/cloudwego/eino-ext/devops v0.0.0-20250116071241-3f1eaaafd49c/go.mod h1:MzPGghc4J7rSevtxeZpqAejpaFbkoCNzG6AQLG93WmE=
+github.com/cloudwego/eino-ext/devops v0.0.0-20250120131302-5fded775a2a2 h1:qAfETnvohhxHt+E1f9KCz7l4tcZGmLuJyEIGhBpO42w=
+github.com/cloudwego/eino-ext/devops v0.0.0-20250120131302-5fded775a2a2/go.mod h1:++GgqYXdxPJYxbXzK/613wxaK7Blg3XlqZU/gH8CPXU=
 github.com/cloudwego/eino-ext/libs/acl/openai v0.0.0-20250114173020-562b40c138d3 h1:DHeeScM7IOmh8YxbLLNu5FrUMuylDfnsuZ3QLTEThq0=
 github.com/cloudwego/eino-ext/libs/acl/openai v0.0.0-20250114173020-562b40c138d3/go.mod h1:H5UK9sjotuBaZCO6CFvPRaYDBBfRz/MSFR9ZNEmwgCo=
 github.com/cloudwego/iasm v0.2.0 h1:1KNIy1I1H9hNNFEEH3DVnI4UujN+1zjpuk6gwHLTssg=