fix: issues

backend/main_test.go

@@ -1,6 +1,7 @@
 package main
 
 import (
+	"encoding/json"
 	"testing"
 
 	"backend/common/service/model"
@@ -32,3 +33,33 @@ func Test_GenModel2(t *testing.T) {
 
 	t.Logf("%+v", oauthInfo)
 }
+
+type Response struct {
+	ErrCode int `json:"errcode"`
+}
+
+func (r *Response) Error() error {
+	return nil
+}
+
+type Access struct {
+	Response
+	AccessToken string `json:"access_token"`
+}
+
+func Test_Data(t *testing.T) {
+	data := &Access{
+		Response: Response{
+			ErrCode: 0,
+		},
+		AccessToken: "123",
+	}
+	b, err := json.Marshal(data)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	data.Error()
+
+	t.Logf("%s", b)
+}