diff --git a/app/controllers/challenges_controller.rb b/app/controllers/challenges_controller.rb
index 92f9d61cf..962508f26 100644
--- a/app/controllers/challenges_controller.rb
+++ b/app/controllers/challenges_controller.rb
@@ -42,7 +42,7 @@ class ChallengesController < ApplicationController
         end
         # 向jenkins端发送请求，构建pipeline片段，实时返回结果
         jenkins_shixuns = Redmine::Configuration['jenkins_shixuns']
-        params = {:challengeStage => "#{@challenge.position}", :challengeType => "#{@challenge.evaluation_way.to_i}", :challengeProgramName => "#{@challenge.path}", :trainingID => "#{@shixun.id}"}
+        params = {:challengeStage => "#{@challenge.position}", :challengeType => "#{@challenge.evaluation_way.to_i}", :challengeProgramName => "#{@challenge.exec_path}", :trainingID => "#{@shixun.id}"}
         uri = URI("#{jenkins_shixuns}/jenkins-exec/game/generatePipelineScriptForChallenge")
         res = uri_exec uri, {challengeInfo: params.to_json}
         if res['code'] == 0
diff --git a/public/stylesheets/css/bigdata-common.css b/public/stylesheets/css/bigdata-common.css
index 932e5de0d..4647f5aff 100644
--- a/public/stylesheets/css/bigdata-common.css
+++ b/public/stylesheets/css/bigdata-common.css
@@ -129,4 +129,27 @@ a:hover.task-btn-ver{background:#5f7cab;}
 .break_word_firefox{white-space: pre-wrap !important;word-break: break-all;}
 
 .pr {position:relative;}
+/***** Ajax indicator ******/
+#ajax-indicator {
+    position: absolute; /* fixed not supported by IE */
+    background-color:#eee;
+    border: 1px solid #bbb;
+    top:35%;
+    left:40%;
+    width:20%;
+    font-weight:bold;
+    text-align:center;
+    padding:0.6em;
+    z-index:100;
+    opacity: 0.5;
+}
 
+html>body #ajax-indicator { position: fixed; }
+
+#ajax-indicator span {
+    background-position: 0% 40%;
+    background-repeat: no-repeat;
+    background-image: url(/images/loading.gif);
+    padding-left: 26px;
+    vertical-align: bottom;
+}