去除作业动态白色边框

src/views/bigScreen/scientific/tab1/center1.vue

@@ -10,6 +10,7 @@
 			v-for="(item, index) in listData"
 			:key="item.id"
 			placement="bottom"
+			:visible-arrow="false"
 			width="494"
 			trigger="click"
 			@show="handleShow(index)"
@@ -141,15 +142,21 @@ export default {
 		this.request({
 			url: '/hx/bigPic/getByType',
 			method: 'get',
-        params: { type: 2}
+			params: { type: 2 },
 		}).then(res => {
 			if (200 == res.code) {
-          this.pic = res.data.pic;
+				this.pic = res.data.pic
 			}
 		})
 	},
 }
 </script>
+<style>
+.el-popover {
+	background-color: unset;
+	border: 0;
+}
+</style>
 <style lang="scss" scoped>
 .icon_img {
 	position: absolute;