大面积 bug 消除

src/views/courseAdd/components/courseProduction/index.vue

@@ -40,7 +40,7 @@
 					:src="sysConfig.FILE_URL+lesson.coverImageUrl"
 					alt="Video Cover"
 					class="video-cover"
-					style="width: 140px; height: 90px"
+					style="width: 140px; height: 90px; margin-left: 10px;margin-right: 20px"
 				/>
 				<!-- 课时信息 -->
 				<div style="display: flex; flex-direction: column; justify-content: space-between; height: 100%">