在app.json中，设置底部菜单栏选项，代码如下：

{
   
  "pages":[

    "pages/dish-management/dish-management",
    "pages/distribution-community/distribution-community",
    "pages/order-today/order-today",
    "pages/user-order/user-order",
  ],
  "window":{
   
    "navigationBarBackgroundColor": "#feb70f",
    "navigationBarTextStyle":