修改项目图片显示样式问题

src/components/courseDetail.vue

@@ -26,7 +26,7 @@
           <div class="box_course">
             <div class="wheel">
               <img
-                style="object-fit: cover"
+                style="object-fit: contain"
                 :src="
                   this.courseDetail.cover != null &&
                   this.courseDetail.cover != ''
@@ -345,7 +345,7 @@ export default {
   position: relative;
 }
 .wheel {
-  width: 210px;
+  width: 250px;
   max-height: 146px;
   display: flex;
   align-items: center;