thinkphp模板有关问题为何不编译

<br><br> <{if condition="empty($customers)"}><br>            <br><br><br><br><br><br><br>                   <{foreach name="customers" item="customers_one"}><br><br><br><br><br><br><br>                   <{/foreach}><br><br><br><table class="table_a" border="1" width="100%">                <tbody>                    <tr style="font-weight: bold;">                        <td>编号</td>                        <td>电话号码</td>                        <td align="center" colspan="2"><br>                            <center>操作</center><br>                        </td>                    </tr>                        <tr>                            <td><br>                                <{$customers_one.c_id}><br>                            </td>                            <td><br>                               <{$customers_one.c_phone}><br>                            </td>                            <td><br>                                查看<br>                            </td>                            <td><br>                                删除<br>                            </td>                        </tr>                                   </tbody>            </table><br>        <{else /}><br>            <br>                <br>                    <center>还没有玩家...</center><br>                <br>            <br>        <{/if}><br><br>

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'TMPL_L_DELIM'          =>  '<{',            // 模板引擎普通标签开始标记<br>    'TMPL_R_DELIM'          =>  '}>',            // 模板引擎普通标签结束标记