<form>
<input type="text" id="gover_search_key"><button type="button" onclick="search()"><i class="fa fa-search" aria-hidden="true"></i>
</button>
</form>
$('#gover_search_key').bind('keypress', function (event) {
if (event.keyCode == "13") {
alert("test");
return false; //阻止了表单提交
)}