diff --git a/src/views/course/Courseware.vue b/src/views/course/Courseware.vue
index 3b6dae88..c8bf155e 100644
--- a/src/views/course/Courseware.vue
+++ b/src/views/course/Courseware.vue
@@ -483,8 +483,11 @@ export default {
       } else if (this.form.device2 === true) {
         this.form.device = 2;
       }
-      //时长，秒与分钟的转化
-      //if(this.form.)
+      // 时长，秒与分钟的转化
+      if (this.form.minute) {
+        this.form.duration = this.form.minute * 60;
+      }
+
       try {
         const { status,message} = await coueseFile.batchUpdate([this.form]);
         if (status === 200) {
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;