diff --git a/coolstore-partner-service/src/main/java/com/cool/store/service/privatesphere/impl/PrivateSphereQrServiceImpl.java b/coolstore-partner-service/src/main/java/com/cool/store/service/privatesphere/impl/PrivateSphereQrServiceImpl.java
index eee511037..3b02e3b8f 100644
--- a/coolstore-partner-service/src/main/java/com/cool/store/service/privatesphere/impl/PrivateSphereQrServiceImpl.java
+++ b/coolstore-partner-service/src/main/java/com/cool/store/service/privatesphere/impl/PrivateSphereQrServiceImpl.java
@@ -44,7 +44,7 @@ public class PrivateSphereQrServiceImpl implements PrivateSphereQrService {
     /**
      * sn缓存时间
      */
-    private static final int SN_CACHE_TIME = 86400;
+    private static final int SN_CACHE_TIME = 86400 * 7;
     /**
      * IP限制时间（1小时）
      */