解决奖惩信息更新页面信息id不能传到controler层，其他都可以

<form name="institutionForm" method="post" action="modifyinstitution.do?action=updateInstitution"
      onSubmit="return institutionValidate()">
    <div class="MainDiv">
        <table width="99%" border="0" cellpadding="0" cellspacing="0" class="CContent">
            <tr>
                <th class="tablestyle_title">修改奖惩信息</th>
            </tr>

            <tr>
                <td class="CPanel">
                    <table border="0" cellpadding="0" cellspacing="0" style="width:80%" align="center">
                        <tr>
                            <td align="left">
                                <input type="button" value="返回"  onclick="tiaozhuan()" class="button"/>
                            </td>
                        </tr>
                        <tr>
                            <td width="100%">
                                <fieldset style="height:100%;">
                                    <legend>修改奖惩信息</legend>
<form name="institutionForm" method="post" a