修改头像加载错误

src/components/course/course-comment.vue

 <template>
   <div class="course-comment">
     <div class="item" v-for="(item, index) in comments" :key="index">
-      <img class="img" :src="item.imageUrl || 'https://file.yunqueyi.com/File/doctor_default.png'" alt="头像" />
+      <img class="img" :src="item.imageUrl || 'https://file.yunqueyi.com/File/doctor_default.png'" alt="头像" @error="onAvatarError" />
       <div class="info-box">
         <div class="info-user">
           <div class="name">{{ item.doctorName }}</div>
@@ -78,7 +78,7 @@ export default {
         item.cList = item.aList;
       }
       this.comments.splice(index, 1, item);
-    }
+    },
   }
 };
 </script>

src/components/course/course-teacher.vue

@@ -2,7 +2,7 @@
   <div class="course-teacher-wrapper">
     <div class="basic-title">讲师介绍</div>
     <div class="leader-info" v-for="(item,index) in doctorList" :key="index">
-      <img :src="item.app_image_url" alt="头像" />
+      <img :src="item.app_image_url" alt="头像" @error="onAvatarError" />
       <div class="leader-text">
         <div class="leader-con">
           <span>{{item.name}}</span>

src/components/course/course-ware.vue

@@ -81,9 +81,9 @@ export default {
         cover.style.height = '100%';
         cover.style.background = `url(${coverImg}) no-repeat center center`;
         cover.style.backgroundSize = '50px auto';
-        cover.style.backgroundColor = 'rgba(255, 255, 255, .2)';
+        cover.style.backgroundColor = 'rgba(255, 255, 255, .8)';
         cover.onclick = () => {
-          if (!this.$store.getter.logged) {
+          if (!this.$store.getters.logged) {
             this.$store.dispatch('goLogin');
             return;
           }

src/utils/mixins.js

@@ -211,6 +211,8 @@ module.exports = {
             }
             return null
         },
-
+        onAvatarError(e) {
+          e.target.src = 'https://file.yunqueyi.com/File/doctor_default.png';
+        },
     }
 }