element-ui el-dropdown

<el-dropdown trigger="click" @command="handleCommand">

         <span class="el-dropdown-link btn send time-send small-hand" id="custom-sebd-btn"  :class="{active:customActive}">

                                {{custom}}

                            </span>

          <el-dropdown-menu slot="dropdown">

                                <el-dropdown-item :command="commandOne">生日当天发送</el-dropdown-item>

                                <el-dropdown-item :command="commandTwo">生日前一天发送</el-dropdown-item>

                                <el-dropdown-item :command="commandThr">生日前一星期发送</el-dropdown-item>

                            </el-dropdown-menu>

                        </el-dropdown>

 handleCommand(command){

            this.custom = command.desc;

 },