diff --git a/public/javascripts/edu/edu_tpi.js b/public/javascripts/edu/edu_tpi.js
index 2fa2f3443..862be1580 100644
--- a/public/javascripts/edu/edu_tpi.js
+++ b/public/javascripts/edu/edu_tpi.js
@@ -328,7 +328,7 @@ function setupAjaxIndicatorBase() {
             return;
         }
         if ($('.ajax-loading').length === 0 && settings.contentType != 'application/octet-stream') {
-            $('#ajax-indicator-base').show().html("<span><embed src='/images/bigdata/loading2.svg' /></span>");
+            $('#ajax-indicator-base').css("display","flex").show().html("<span><embed src='/images/bigdata/loading2.svg' /></span>");
         }
     });
 
diff --git a/public/stylesheets/css/taskstyle.css b/public/stylesheets/css/taskstyle.css
index abe31608d..9f62b0158 100644
--- a/public/stylesheets/css/taskstyle.css
+++ b/public/stylesheets/css/taskstyle.css
@@ -368,14 +368,16 @@ a.shixun-task-ban-btn{background-color: #c2c4c6;display: inline-block;font-weigh
 .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:-100px;position: relative;}
-.loading_seconde{color: #ff7500;letter-spacing: 3px;font-size: 16px;}#ajax-indicator-base {
+.loading_seconde{color: #ff7500;letter-spacing: 3px;font-size: 16px;}
+#ajax-indicator-base {
     position: absolute; /* fixed not supported by IE*/
-    background-color:#eee;
-    border: 1px solid #bbb;
-    top:35%;
-    left:40%;
-    width:20%;
-    height:5%;
+
+    top: 50%;
+    left: 50%;
+    margin-left: -20px;
+    margin-top: -40px;
+    /* width: 20%; */
+    /* height: 5%; */
     font-weight:bold;
     text-align:center;
     padding:0.6em;