修复单图图片显示问题

src/components/Perview/Perview.js

@@ -43,16 +43,11 @@ class Perview extends Component {
               afterChange={this.onChangeHandle}
             >
               {list.length === 1 ? (
-                <div>
-                  <img
-                    className={styles.carouselImg}
-                    src={list[0].url || list[0]}
-                    alt=""
-                  />
+                <div className={styles.carouselImg}>
+                  <img src={list[0].url || list[0]} alt="" />
                 </div>
               ) : (
-                list.map(
-                  (item, index) =>
+                list.map((item, index) =>
                   item ? (
                     <img
                       className={styles.carouselImg}