diff --git a/internal/biz/register_tag.go b/internal/biz/register_tag.go
index cb8314d..4c48e42 100644
--- a/internal/biz/register_tag.go
+++ b/internal/biz/register_tag.go
@@ -3,7 +3,6 @@ package biz
 import (
 	"context"
 	"fmt"
-	"github.com/redis/go-redis/v9"
 	err2 "voucher/api/err"
 	"voucher/internal/biz/bo"
 	"voucher/internal/biz/vo"
@@ -23,33 +22,9 @@ func (this *VoucherBiz) RegisterTag(ctx context.Context, productNo string) error
 
 func (v *VoucherBiz) registerNotifyTag(ctx context.Context, stockCreatorMchID, stockID string) error {
 
-	c := vo.WechatNotifyRegisterTagCacheKey.BuildCache([]string{v.bc.WechatNotifyMQ.Tag, stockCreatorMchID, stockID})
-
-	_, err := v.rdb.Rdb.Get(ctx, c.Key).Result()
-
-	if err == nil {
-		// 缓存存在，直接返回
-		return nil
-	}
-
-	if err != redis.Nil {
-		return fmt.Errorf(fmt.Sprintf("获取redis缓存%s异常:%v", c.Key, err))
-	}
-
 	cl := vo.WechatNotifyRegisterTagCacheLockKey.BuildCache([]string{v.bc.WechatNotifyMQ.Tag, stockCreatorMchID, stockID})
 
 	return lock.NewMutex(v.rdb.Rdb, cl.TTL).Lock(ctx, cl.Key, func(ctx context.Context) error {
-		// 二次获取，判定处理，以免获取锁后又执行了一次
-
-		cacheValue, err3 := v.rdb.Rdb.Get(ctx, c.Key).Result()
-
-		if err3 != nil && err3 != redis.Nil {
-			return fmt.Errorf(fmt.Sprintf("二次获取redis缓存%s异常:%v", c.Key, err))
-		}
-
-		if cacheValue != "" {
-			return nil // 有直接返回
-		}
 
 		wechatNotifyTag, err3 := v.WechatNotifyRegisterTagRepo.GetByStockIdAndMchId(ctx, stockCreatorMchID, stockID)
 		if err3 != nil && !err2.IsDbNotFound(err3) {
@@ -62,7 +37,7 @@ func (v *VoucherBiz) registerNotifyTag(ctx context.Context, stockCreatorMchID, s
 			}
 
 			if wechatNotifyTag.Status.IsSuccess() {
-				return v.setCache(ctx, c, wechatNotifyTag)
+				return nil
 			}
 		} else {
 			wechatNotifyTag, err3 = v.createWechatNotifyRegisterTag(ctx, stockCreatorMchID, stockID)
@@ -71,16 +46,11 @@ func (v *VoucherBiz) registerNotifyTag(ctx context.Context, stockCreatorMchID, s
 			}
 		}
 
-		if err = v.WechatCpnRepo.RegisterNotifyTag(ctx, stockID); err != nil {
-
+		if err := v.WechatCpnRepo.RegisterNotifyTag(ctx, stockID); err != nil {
 			return v.WechatNotifyRegisterTagRepo.Fail(ctx, wechatNotifyTag.ID, err.Error())
 		}
 
-		if err = v.WechatNotifyRegisterTagRepo.Success(ctx, wechatNotifyTag.ID); err != nil {
-			return err
-		}
-
-		return v.setCache(ctx, c, wechatNotifyTag)
+		return v.WechatNotifyRegisterTagRepo.Success(ctx, wechatNotifyTag.ID)
 	})
 }
 
@@ -91,12 +61,3 @@ func (v *VoucherBiz) createWechatNotifyRegisterTag(ctx context.Context, stockCre
 		Tag:               v.bc.WechatNotifyMQ.Tag,
 	})
 }
-
-func (v *VoucherBiz) setCache(ctx context.Context, c *vo.Cache, wechatNotifyTag *bo.WechatNotifyRegisterTagBo) error {
-
-	if err := v.rdb.Rdb.Set(ctx, c.Key, wechatNotifyTag.Tag, c.TTL).Err(); err != nil {
-		return fmt.Errorf(fmt.Sprintf("设置redis缓存%s异常:%v", c.Key, err))
-	}
-
-	return nil
-}
diff --git a/internal/biz/vo/cache.go b/internal/biz/vo/cache.go
index 3081ab0..052accc 100644
--- a/internal/biz/vo/cache.go
+++ b/internal/biz/vo/cache.go
@@ -43,7 +43,7 @@ var CacheKeyMap = map[CacheKey]time.Duration{
 	WechatNotifyRegisterTagCacheLockKey: 60 * time.Second,
 	WechatNotifyConsumeLockKey:          30 * time.Second,
 
-	ProductQueryKey:     15 * 86400 * time.Second, // 15天
+	ProductQueryKey:     30 * 86400 * time.Second, // 30天
 	ProductQueryLockKey: 30 * time.Second,
 }