diff --git a/src/dinner.py b/src/dinner.py
index 0d8adac..990675a 100644
--- a/src/dinner.py
+++ b/src/dinner.py
@@ -97,7 +97,7 @@ def dinner_update():
     if not nickname:
         return make_response(json.dumps(dict(code=-1, data="姓名必须填写")))
     if not is_valid_user(nickname):
-        abort(403)
+        return make_response(json.dumps(dict(code=-1, data="你不能投票(*^_^*)")))
     if not user_menu:
         set_user_menu('', nickname)
         return make_response(json.dumps(dict(code=0, data="OK")))
diff --git a/templates/dinner.html b/templates/dinner.html
index 6d92733..d8c413d 100644
--- a/templates/dinner.html
+++ b/templates/dinner.html
@@ -8,16 +8,16 @@
 <div class="container text-center pt-5">
     <p>每天8:00-17:30间开放匿名投票更新，17:30以后允许发起抽签，抽签结果确定后不可更改</p>
     <p>第一名与第二名得票数相差不超过10%时随机抽签，按其得票数决定中签概率，否则选择第一名</p>
+    <p>投票结果仅供参考，最终解释权归部门总经理、副总经理所有</p>
     {% for last_result in last_results %}
         <p>今日{{ last_result }}最终得票数降低{{ 2 + loop.index0 }}0%</p>
     {% endfor %}
     <form id="inputForm" class="form-inline">
         <div class="form-group">
             <div class="input-group mb-3">
-                <span class="input-group-text" id="basic-addon1">姓名</span>
-                <input type="text" id="inputName" class="form-control"
-                       name="nickname"
-                       value="{{ nickname }}">
+                <label class="input-group-text" for="inputName" id="basic-addon1">姓名</label>
+                <input type="text" class="form-control"
+                       id="inputName" name="nickname" value="{{ nickname }}">
             </div>
             <div class="input-group mb-2">
                 <span class="input-group-addon">我选择</span>
@@ -39,14 +39,14 @@
     <button type="button" class="btn btn-primary" onclick="update()">更新</button>
     <button type="button" class="btn btn-secondary" onclick="clearValue()">不吃</button>
     <button type="button" id="btnRoll"
-            class="btn btn-secondary" {{ "" if can_roll == True else 'disabled="disabled"' | safe }}
+            class="btn btn-secondary{{ "" if can_roll == True else ' disabled="disabled"' | safe }}"
             onclick="roll()">开始抽签
     </button>
     <div class="pt-3">
         <label>大家的选择 - 总票数:{{ '{:.2f}'.format(total_vote | round(2)) }}</label>
         <ul class="list-group pt-2 mb-4">
             {% for key in summary_keys %}
-                <li class="list-group-item {{ "active" if result == key else "" }} {{ "list-group-item-primary" if predict_result == key else "" }}">
+                <li class="list-group-item{{ " active" if result == key else "" }} {{ " list-group-item-primary" if predict_result == key else "" }}">
                     <div class="row justify-content-between">
                         <span class="col-5">{{ key }}</span>
                         <span class="col-3">{{ '{:.2f}'.format(summary[key] | round(2)) }}票</span>
@@ -89,6 +89,11 @@
 
 <!--suppress JSUnresolvedReference -->
 <script>
+    document.addEventListener('keydown', function (event) {
+        if (event.key === 'Enter' || event.keyCode === 13) {
+            update();
+        }
+    });
     $("input[type=range]").change(function () {
         const values = $("input[type=range]").map(function () {
             return $(this).val();