diff --git a/src/constant/index.js b/src/constant/index.js
index 7a98896..fc13a5f 100644
--- a/src/constant/index.js
+++ b/src/constant/index.js
@@ -107,6 +107,12 @@ export const TABS = [
   { key: "mine", label: "我的", icon: "user" },
 ];
 
+/**
+ * 入口固定值：二维码里的 id 等于它时不打开商家详情，只切到权益 Tab。
+ * 后端在 scene / query / 普通链接里传这个字符串即可（大小写不敏感）。
+ */
+export const ENTRY_BENEFIT_ONLY = "benefits";
+
 /** 页面路径常量 */
 export const ROUTES = {
   HOME: "/pages/index/index",
diff --git a/src/pages/index/index.vue b/src/pages/index/index.vue
index e77d2cf..930c8a5 100644
--- a/src/pages/index/index.vue
+++ b/src/pages/index/index.vue
@@ -7,7 +7,7 @@
  */
 import { nextTick, onMounted, ref } from "vue";
 import { onLoad, onShow } from "@dcloudio/uni-app";
-import { TABS } from "@/constant";
+import { ENTRY_BENEFIT_ONLY, TABS } from "@/constant";
 import {
   consumePendingMerchant,
   consumePendingTab,
@@ -48,12 +48,14 @@ let shellReady = false;
 /**
  * 扫码进店：先切权益 Tab 再打开商家详情。
  * 顺序不能反 —— 先切 Tab，「详情返回」才会落在权益页而不是主页。
+ * 入口 id 为固定值 ENTRY_BENEFIT_ONLY 时只切 Tab，不再打开详情。
  */
 const runEntry = () => {
   if (!shellReady) return;
   const id = consumePendingMerchant();
   if (!id) return;
   goTab("benefit");
+  if (id.toLowerCase() === ENTRY_BENEFIT_ONLY) return;
   nextTick(() => setTimeout(() => goDetail(id), 0));
 };