diff --git a/src/views/study/coursenew.vue b/src/views/study/coursenew.vue
index dbfd70ea..00e99477 100644
--- a/src/views/study/coursenew.vue
+++ b/src/views/study/coursenew.vue
@@ -1970,16 +1970,19 @@
   }
 
   .player-box {
-    position: relative;
+    position: absolute;
     width: 100%;
     max-width: 300px;
     margin: 20px auto;
     height: 187px;
-    background: rgba(74, 74, 74, .5);
+    background: rgba(74, 74, 74, .8);
     border-radius: 33px;
     text-align: center;
     padding: 20px;
+    top: 50%;
     box-sizing: border-box;
+    left: 50%;
+    transform: translate(-50%, -50%);
 
     .player-praise {
       margin-top: 25px;