form entrer submit

@@ -2,6 +2,7 @@
     <div class="search-area">
         <form id="help-search-form" action="{{siteUrl}}/help/detail">
             <input type="text" class="help-search" autocomplete="off" name="helpQuery" value="{{helpQuery}}">
+            <input type="text" class="hide">
             <span class="iconfont search-btn">&#xe6d5;</span>
         </form>
     </div>

@@ -26,6 +26,7 @@ var helpSearch = {
         });
 
         _this.$search.keyup(function(e) {
+
             var key = $(this).val();
 
             if (key === '请输入您想知道的帮助信息') {
@@ -35,10 +36,7 @@ var helpSearch = {
             if (e.which === 13) {
                 if (key) {
                     _this.searchYas(key);
-
-                    setTimeout(function() {
-                        $helpSearchForm.submit();
-                    },500);
+                    $helpSearchForm.submit();
                 }
             }
         });