修改地址

src/views/home/modals/class-modal/index.module.less

@@ -88,7 +88,7 @@
       display: inline-block;
       width: 12px;
       height: 12px;
-      background: url('./images/blueArrow.png') no-repeat center;
+      background: url('../../images/blueArrow.png') no-repeat center;
       background-size: contain;
     }
   }