feat(admin-payment): 支付订单 - 补充用户身份与详情

backend/internal/repository/admin_storage.go

@@ -73,7 +73,7 @@ func (r *Repository) UsersByIDs(ids []string) (map[string]model.User, error) {
 		return map[string]model.User{}, nil
 	}
 	var users []model.User
-	if err := r.db.Select("id", "username", "display_name").Where("id IN ?", ids).Find(&users).Error; err != nil {
+	if err := r.db.Select("id", "username", "display_name", "email").Where("id IN ?", ids).Find(&users).Error; err != nil {
 		return nil, err
 	}
 	result := make(map[string]model.User, len(users))