diff --git a/pages/venue/detail.vue b/pages/venue/detail.vue
index 08e9d06..e058fbf 100644
--- a/pages/venue/detail.vue
+++ b/pages/venue/detail.vue
@@ -113,7 +113,8 @@ export default {
 			return this.detailType !== '2'
 		},
 		isPetrol() {
-			return this.loaded && String(this.shopId) === PETROL_SHOP_ID && !this.isVenue
+			// xuchao: 后端券服务探活（latest 返回 price）后才展示购券模块——后端未部署期间整模块自动隐藏，无死入口
+			return this.loaded && String(this.shopId) === PETROL_SHOP_ID && !this.isVenue && !!(this.voucher && this.voucher.price)
 		},
 		voucherBtnText() {
 			const s = this.voucher ? this.voucher.statusCode : -1
@@ -170,10 +171,9 @@ export default {
 		if (String(this.shopId) === PETROL_SHOP_ID) this.loadVoucher()
 	},
 	methods: {
-		// xuchao: 拉取石油券最新订单状态（未登录不查，按钮保持“¥200 购买”，点击时再引导登录）
+		// xuchao: 拉取石油券最新订单状态（未登录也调用：作为后端服务探活，price 决定模块显隐）
 		loadVoucher() {
-			const phone = uni.getStorageSync('phone')
-			if (!phone) { this.voucher = null; return }
+			const phone = uni.getStorageSync('phone') || ''
 			this.$u.api.voucherLatest({ phone }).then(res => {
 				this.voucher = bizOk(res) ? bizData(res) : null
 			}).catch(() => { this.voucher = null })