diff --git a/internal/biz/vo/cache.go b/internal/biz/vo/cache.go
index e3977a7..6097065 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:     5 * 86400 * time.Second, // 5天
+	ProductQueryKey:     15 * 86400 * time.Second, // 15天
 	ProductQueryLockKey: 30 * time.Second,
 }