      <option v-for="item in categories" :value="item.name">
                                        {{ item.name }}
                                    </option>
                                </select>

                                <select v-model="search.status" class="form-control">
                                    <option value="" selected>发布状态</option>
                                    <option value="publish">已发布</option>
                                    <option value="draft"