diff --git a/index.php b/index.php
index afc873d..80e1cb8 100644
--- a/index.php
+++ b/index.php
@@ -52,7 +52,7 @@ if($_SESSION[Student_ID] != ""){
       <div class="PageHeader">
         <nav role="navigation" style="height:60px;">
           <div class="nav-wrapper container">
-            <div style="text-align:center;display:inline-block;padding:5px 0;width:100%;float:left;">本次答题限时15分钟&nbsp;&nbsp;&nbsp;&nbsp;剩余时间&nbsp;&nbsp;<span name="remtime">15:00</span></div>
+            <div style="text-align:center;display:inline-block;padding:5px 0;width:100%;float:left;">本次答题限时10分钟&nbsp;&nbsp;&nbsp;&nbsp;剩余时间&nbsp;&nbsp;<span name="remtime">10:00</span></div>
           </div>
         </nav>
       </div>
@@ -102,7 +102,7 @@ if($_SESSION[Student_ID] != ""){
             <div class="input-field col s12" style="height:1px;overflow:hidden">
               <input value="<?php $timestart = date(" H:i:s ");$_SESSION['timestart'] = $timestart;echo $timestart;?>" type="text" class="validate" style="color:#fff" name="timestart">
             </div>
-            <div style="text-align:center;display:inline-block;padding:5px 0;width:100%;float:left;">本次答题限时15分钟&nbsp;&nbsp;&nbsp;&nbsp;剩余时间&nbsp;&nbsp;<span name="remtime">15:00</span></div>
+            <div style="text-align:center;display:inline-block;padding:5px 0;width:100%;float:left;">本次答题限时10分钟&nbsp;&nbsp;&nbsp;&nbsp;剩余时间&nbsp;&nbsp;<span name="remtime">10:00</span></div>
           </div>
           <div style="margin:0 auto;text-align:center;">
             <div class="btn waves-effect waves-light" id="hiddenDisplay" onclick="requestFirst()">开始</div>
diff --git a/js/questionnaire.js b/js/questionnaire.js
index 2a45c0d..7c47ee6 100644
--- a/js/questionnaire.js
+++ b/js/questionnaire.js
@@ -99,7 +99,7 @@ $(document).ready(function() {
     //name="remtime"
     //remtime(sec,callback);
     startremtime = function() {
-        myFun[0](900, clearT,
+        myFun[0](600, clearT,
             function() {
                 var btn = document.getElementById("submit");
                 $("#form1").ajaxSubmit({
@@ -152,7 +152,7 @@ $(document).ready(function() {
     //表单验证
     requestFirst = function() {
         var ifblock = new Array(),
-            scroll_top_duration = 900; //ms
+            scroll_top_duration = 600; //ms
         for (var i = eName.length - 1; i >= 0; i--) {
             ifblock[i] = $.trim(document.getElementById(eName[i]).value);
         }
@@ -184,7 +184,7 @@ $(document).ready(function() {
 
     function showRequest() {
         var ifblock = new Array(),
-            scroll_top_duration = 900; //ms
+            scroll_top_duration = 600; //ms
         for (var i = eName.length - 1; i >= 0; i--) {
             ifblock[i] = $.trim(document.getElementById(eName[i]).value);
         }