style: 调整侧边栏宽度为228px

src/layout/MenuLayout.vue

@@ -90,7 +90,7 @@
   .aside {
     display: flex;
     flex-direction: column;
-    width: 270px;
+    width: 228px;
     height: 100%;
     flex-shrink: 0;
     border-radius: 4px;