修复订单退菜展示问题，修改推出登录按钮

pagesCreateOrder/index/index.vue

@@ -158,7 +158,6 @@
 		reactive,
 		ref,
 		nextTick,
-		getCurrentInstance,
 		watch
 	} from 'vue';
 	import myCar from './components/car'
@@ -179,7 +178,6 @@
 		canXiadan.value=await hasPermission('允许下单')
 	}
 	xiadanClick()
-	const instance = getCurrentInstance();
 	//临时菜
 	const lingshi = reactive({
 		show: false