diff --git a/jtt_tool/jtt_client_test.go b/jtt_tool/jtt_client_test.go
index bbd3a58..4279f5b 100644
--- a/jtt_tool/jtt_client_test.go
+++ b/jtt_tool/jtt_client_test.go
@@ -1 +1,51 @@
 package jtt_tool
+
+import (
+	"log"
+	"testing"
+)
+
+func TestJttClient_FindUserForTokenMessage(t *testing.T) {
+	type fields struct {
+		AppId      string
+		ApiUrl     string
+		PublicKey  string
+		PrivateKey string
+	}
+	type args struct {
+		address string
+	}
+	tests := []struct {
+		name    string
+		fields  fields
+		args    args
+		wantRes *FindUserForTokenMessageRes
+		wantErr bool
+	}{
+		{
+			name:   "test1",
+			fields: fields{},
+			args: args{
+				address: "0x123456",
+			},
+		},
+	}
+	for _, test := range tests {
+		t.Run(test.name, func(t *testing.T) {
+			h := &JttClient{
+				AppId:      test.fields.AppId,
+				ApiUrl:     test.fields.ApiUrl,
+				PublicKey:  test.fields.PublicKey,
+				PrivateKey: test.fields.PrivateKey,
+			}
+
+			gotRes, err := h.FindUserForTokenMessage(test.args.address)
+
+			log.Println(gotRes, err)
+
+			if (err != nil) != test.wantErr {
+				t.Errorf("FindUserForTokenMessage() error = %v, wantErr %v", err, test.wantErr)
+			}
+		})
+	}
+}