diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index 0aa0437fe..071099bf2 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -155,16 +155,16 @@ module ApplicationHelper
     grade = Grade.where(:user_id => user.id, :container_id => container_id, :container_type => container_type).first
     if grade.nil?
       Grade.create!(:user_id => user.id, :container_id => container_id, :container_type => container_type, :score => score)
+      user.update_column(:grade, (score.to_i + user.grade.to_i))
     end
-    user.update_column(:grade, (score.to_i + user.grade.to_i))
   end
 
   def reward_experience(user, container_id, container_type, score)
     experience = Experience.where(:user_id => user.id, :container_id => container_id, :container_type => container_type).first
     if experience.nil?
       Experience.create!(:user_id => user.id, :container_id => container_id, :container_type => container_type, :score => score)
+      user.update_column(:experience, (score.to_i + user.experience.to_i))
     end
-    user.update_column(:experience, (score.to_i + user.experience.to_i))
   end
 
   # codeMirror语言转换
diff --git a/app/views/shixuns/_shixun_top.html.erb b/app/views/shixuns/_shixun_top.html.erb
index 8f56ebd11..b248dfc1d 100644
--- a/app/views/shixuns/_shixun_top.html.erb
+++ b/app/views/shixuns/_shixun_top.html.erb
@@ -46,7 +46,12 @@
     <% end %>
   </div>
 </div>
-
+<div class="loading_all">
+  <div class="load">
+    <div class="loading_main"><img src="/images/../images/bigdata/bigdata-logo.png?1502328187" /><span>EDUCODER</span></div>
+    <p class="loading_seconde">LOADING<img src="/images/../images/bigdata/shenglue-ring.gif" /></p>
+  </div>
+</div>
 <script>
   function apply_publish_shixun(url){
       if($("#apply_publish_shixun").attr("data-option") == '1'){
diff --git a/public/images/bigdata/shenglue-ring.gif b/public/images/bigdata/shenglue-ring.gif
new file mode 100644
index 000000000..fc11ec43e
Binary files /dev/null and b/public/images/bigdata/shenglue-ring.gif differ
diff --git a/public/javascripts/application.js b/public/javascripts/application.js
index de92bd57f..9b553048f 100644
--- a/public/javascripts/application.js
+++ b/public/javascripts/application.js
@@ -676,6 +676,10 @@ function setupAjaxIndicator() {
     if(settings && settings.url && settings.url.match(/account\/heartbeat$/)){
       return;
     }
+      //模拟实训时，加载效果不显示
+      if (settings && settings.url && settings.url.match(/operation/)){
+          return;
+      }
     if ($('.ajax-loading').length === 0 && settings.contentType != 'application/octet-stream') {
       $('#ajax-indicator').show();
     }
diff --git a/public/javascripts/edu/shixun.js b/public/javascripts/edu/shixun.js
index c440b21d3..51908a9dc 100644
--- a/public/javascripts/edu/shixun.js
+++ b/public/javascripts/edu/shixun.js
@@ -2,6 +2,10 @@ $(function() {
     $("#search_not_collaborators").live('input', function (e) {
         throttle(search_not_teacher_f, window, e);
     });
+    //模拟实训，显示加载等待效果
+    $("#shixun_operation").live("click",function(){
+        $(".loading_all").show();
+    })
 });
 
 var lastteSearchCondition = '';
diff --git a/public/stylesheets/css/taskstyle.css b/public/stylesheets/css/taskstyle.css
index 5e558988e..71cdf2a4f 100644
--- a/public/stylesheets/css/taskstyle.css
+++ b/public/stylesheets/css/taskstyle.css
@@ -362,6 +362,14 @@ a.shixun-task-ban-btn{background-color: #c2c4c6;display: inline-block;font-weigh
 .markdown code {padding:0;line-height: 23px;margin: 0;font-family: "微软雅黑","宋体";}
 
 
+/*模拟实战---加载等待*/
+.loading_all{background:#ffffff;z-index: 100000;width: 100%;height: 100%;position: fixed;left: 0px;top:0px;text-align: center;display: none;}
+.loading_main img{border-radius: 4px;}
+.loading_main span{font-size: 44px;font-weight: bold;color: #ff7500;letter-spacing: 5px;margin-left: 5px;}
+.load{width: auto;top:50%;margin-top:-50px;position: relative;}
+.loading_seconde{color: #ff7500;letter-spacing: 3px;font-size: 16px;}
+
+