课程列表视频预览图遮盖按钮

src/views/biz/course/detail.vue

@@ -46,7 +46,7 @@
                     <a-row type="flex" justify="start" align="middle">
                         <a-col :span="6" class="video-image">
                             <div class="video-image-background">
-                                <img :src="video.coverUrl" width="100%" />
+                                <img :src="video.coverUrl" width="100%" height="100%" />
                                 <div class="video-image-toolbar">
                                     <a-icon type="delete" @click="deleteVideo(video)" />
                                     <a-icon type="edit" @click="editVideo(video)" />
@@ -66,7 +66,7 @@
                 </div>
                 <a-button @click="showVideoUploadModal" :disabled="isReadOnly">上传视频</a-button>
             </a-form-model-item>
-
+            
             <a-form-model-item label="课程简介" prop="introduce">
                 <a-textarea row="2" v-model="step1FormModel.introduce" :disabled="isReadOnly" />
             </a-form-model-item>