fix: 调整菜单的字体大小为16px

src/layout/MenuLayout.vue

@@ -114,7 +114,7 @@
     border-radius: 4px;
     .el-menu-item,
     :deep(.el-sub-menu__title) {
-      font-size: 18px;
+      font-size: 16px;
       color: #333;
     }
     .el-menu-item.is-active {