修改市场封面图过度模糊的问题

src/views/Market/Index.vue

@@ -396,6 +396,8 @@
         height: 0;
         position: relative;
         padding-bottom: 56.25%;
+        overflow: hidden;
+        border-radius: 4px;
     }
     .MarketIndexList-img img{
         /* position: absolute;
@@ -403,7 +405,7 @@
         left: 0;
         height: 100%; */
         width: 100%;
-        height: 100%;
+        height: auto;
         position: absolute;
         object-fit: cover;
     }