diff --git a/doc/api.md b/doc/api.md
index 828f60e..a08e9fb 100644
--- a/doc/api.md
+++ b/doc/api.md
@@ -31,6 +31,7 @@
 
 1. 增加[开始分享优惠券](#223), [领取分享的优惠券](#224) 接口
 2. [用户券列表](#211), [抽奖](#214), [邀请奖励信息](#215), [领取邮件附件](#217)等接口返回的优惠券信息, 增加expire字段
+3. [获取店铺信息](#208) 的gamecfg增加返回 default_desc_txt, 用于首页介绍文字
 
 
 
@@ -387,7 +388,8 @@
             "game_single_btn": "主页上单人赛按钮文字",
             "game_multi_btn": "主页上多人赛按钮名字",
             "default_share_pic":"默认分享图",
-            "default_share_txt": "默认分享语"
+            "default_share_txt": "默认分享语",
+            "default_desc_txt": "配置的介绍文字"
        }
     }
 ```
diff --git a/src/api/controllers/coupon.controller.ts b/src/api/controllers/coupon.controller.ts
index bbe6d2b..e875efb 100644
--- a/src/api/controllers/coupon.controller.ts
+++ b/src/api/controllers/coupon.controller.ts
@@ -14,7 +14,33 @@ class CouponController extends BaseController {
   @role('anon')
   @router('get /pub/coupon/:shop/:id')
   async info(req: any) {
-    return {}
+    const { id, shop } = req.params
+    if (!id || !shop) {
+      throw new ZError(10, '缺少必要参数')
+    }
+    const record = await UserCoupon.findOne({ sid: id, shop })
+    if (!record) {
+      throw new ZError(11, 'no matched records')
+    }
+    if (record.expire) {
+      // 如果有过期时间设置, 且已经过期, 则将未使用和已分享但未被领取的记录更新为已过期
+      if (Date.now() >= record.expire && (record.status === 0 || record.status === 2)) {
+        record.status = 9
+        await record.save()
+      }
+    }
+    const shopData = await Shop.fetchByID(record.shop)
+    const coupon = await Coupon.findById(record.item)
+    return {
+      id: record.sid,
+      shop: record.shop,
+      shopName: shopData.showName,
+      coupon: record.item,
+      couponName: coupon.name,
+      couponUrl: getCouponUrl(shopData.id, record.item),
+      status: record.status,
+      expire: record.expire,
+    }
   }
   /**
    * 核销
@@ -22,6 +48,26 @@ class CouponController extends BaseController {
   @role('anon')
   @router('post /pub/coupon/:shop/:id')
   async use(req: any) {
+    const { id, shop } = req.params
+    if (!id || !shop) {
+      throw new ZError(10, '缺少必要参数')
+    }
+    const record = await UserCoupon.findOne({ sid: id, shop })
+    if (!record) {
+      throw new ZError(11, 'no matched records')
+    }
+    if (record.expire) {
+      // 如果有过期时间设置, 且已经过期, 则将未使用和已分享但未被领取的记录更新为已过期
+      if (Date.now() >= record.expire && (record.status === 0 || record.status === 2)) {
+        record.status = 9
+        await record.save()
+      }
+    }
+    if (record.status !== 0) {
+      throw new ZError(12, 'record status not matched')
+    }
+    record.status = 1
+    await record.save()
     return {}
   }
   /**
diff --git a/src/models/shop/ShopGameExt.ts b/src/models/shop/ShopGameExt.ts
index 9548d1d..d429c29 100644
--- a/src/models/shop/ShopGameExt.ts
+++ b/src/models/shop/ShopGameExt.ts
@@ -29,6 +29,7 @@ export class ShopGameExtClass extends BaseModule {
    * game_multi_btn: 主页上多人赛按钮名字
    * default_share_pic: 默认的分享图
    * default_share_txt: 默认的分享语
+   * default_desc_txt: 默认的介绍文字
    */
   @prop({ type: mongoose.Schema.Types.Mixed })
   public cfg: {}
diff --git a/src/models/user/UserCoupon.ts b/src/models/user/UserCoupon.ts
index 1b81a31..9fb0bde 100644
--- a/src/models/user/UserCoupon.ts
+++ b/src/models/user/UserCoupon.ts
@@ -157,7 +157,7 @@ class UserCouponClass extends BaseModule {
       let sid = record.shop
       if (record.expire) {
         // 如果有过期时间设置, 且已经过期, 则将未使用和已分享但未被领取的记录更新为已过期
-        if (Date.now() >= record.expire && (record.status === 0 || record.status === 2) ) {
+        if (Date.now() >= record.expire && (record.status === 0 || record.status === 2)) {
           record.status = 9
           await record.save()
         }