<div class="search">
<form id="search" method="get" action="/search.php" role="search">
<input type="text" id="NOwd" name="searchword" placeholder="请输入关键词搜索">
<button class="tx-btn" type="submit">搜 索</button>
</form>
</div>
海洋 看起来没什么问题，method="get" 建议改为post，method="post"
