diff --git a/src/components/study/courseDetail.vue b/src/components/study/courseDetail.vue
index 9b7d3d4..3e082b0 100644
--- a/src/components/study/courseDetail.vue
+++ b/src/components/study/courseDetail.vue
@@ -80,7 +80,7 @@
         <div class="lianxiTiMu" v-for="(item, index) in current_question_data.content" :key="index"
           @click="responseQ(item)">
           <span class="lianxiXueZe" v-bind:class="{ active: current_question_data.response == item }">{{ xuhao[index]
-            }}</span>
+          }}</span>
           <span class="lianxiXueZe1">{{ item }}</span>
         </div>
         <div class="lianxiTiMu cuoti" v-if="current_question_data.is_wrong == 1">
@@ -97,7 +97,7 @@
         <div class="lianxiTiMu" v-for="(item, index) in current_question_data.content" :key="index"
           @click="responseQ(item)">
           <span class="lianxiXueZe" v-bind:class="{ active: current_question_data.response == item }">{{ xuhao[index]
-            }}</span>
+          }}</span>
           <span class="lianxiXueZe1">{{ item }}</span>
         </div>
         <div class="lianxiTiMu cuoti" v-if="current_question_data.is_wrong == 1">
@@ -151,7 +151,7 @@
         <div class="lianxiBottomR" @click="popupVisible = true">
           <img src="../../../static/img/gengduo.png" alt="" /><span>{{
             current_question + 1
-            }}</span>/{{ questions.length }}
+          }}</span>/{{ questions.length }}
         </div>
       </div>
     </div>
@@ -426,11 +426,11 @@ export default {
       }
 
       function plays() {
+        document.getElementById("video").removeEventListener("play", plays, false);
+        document.getElementById("video").currentTime = _this.record;
+        _this.current_sign = _this.record;
+        Toast("从上次记录的地方开始播放");
         setTimeout(function () {
-          document.getElementById("video").removeEventListener("play", plays, false);
-          document.getElementById("video").currentTime = _this.record;
-          _this.current_sign = _this.record;
-          Toast("从上次记录的地方开始播放");
           _this.video_timer = setInterval(timer, 100);
         }, 1000);
       }