diff --git a/google.go b/google.go
index c1b92cb..9d7062c 100644
--- a/google.go
+++ b/google.go
@@ -4,6 +4,7 @@ import (
 	"context"
 	"encoding/json"
 	"fmt"
+
 	"github.com/google/generative-ai-go/genai"
 	"google.golang.org/api/option"
 )
@@ -31,17 +32,19 @@ func (g google) requestToGoogleRequest(in Request, model *genai.GenerativeModel)
 		res = append(res, genai.Text(c.Text))
 	}
 
-	for _, tool := range in.Toolbox.funcs {
-		panic("google ToolBox is todo" + tool.Name)
+	if in.Toolbox != nil {
+		for _, tool := range in.Toolbox.funcs {
+			panic("google ToolBox is todo" + tool.Name)
 
-		/*
-			t := genai.Tool{}
-			t.FunctionDeclarations = append(t.FunctionDeclarations, &genai.FunctionDeclaration{
-				Name:        tool.Name,
-				Description: tool.Description,
-				Parameters:  nil, //tool.Parameters,
-			})
-		*/
+			/*
+				t := genai.Tool{}
+				t.FunctionDeclarations = append(t.FunctionDeclarations, &genai.FunctionDeclaration{
+					Name:        tool.Name,
+					Description: tool.Description,
+					Parameters:  nil, //tool.Parameters,
+				})
+			*/
+		}
 	}
 
 	return res