修复订单退菜展示问题，修改推出登录按钮

pagesOrder/detail/components/extra.vue

@@ -5,7 +5,7 @@
 			<template v-if="orderInfo.status=='unpaid'&&data.status!='return'">
 				<my-button plain shape="circle" :width="160" :height="56" @click="tuicai">退菜</my-button>
 			</template>
-			<template v-if="orderInfo.status=='closed'">
+			<template v-if="orderInfo.status=='closed'&&data.status!='return'">
 				<my-button plain shape="circle" :width="160" :height="56"  @click="tuikuan">退款</my-button>
 			</template>
 		</view>