更换背景图

src/components/Login.vue

@@ -44,7 +44,7 @@ export default ({
     // background-color: darkcyan;
     background: url('/public/img/bg.png');
 
-    background-size: cover;
+    background-size: 100% 100%;
     z-index: 888;
 
     // background-color: #040728;