diff --git a/src/main/java/com/kiisoo/ic/activity/service/impl/PmnActivityScheduleServiceImpl.java b/src/main/java/com/kiisoo/ic/activity/service/impl/PmnActivityScheduleServiceImpl.java
index 9be291f..bbbd34d 100644
--- a/src/main/java/com/kiisoo/ic/activity/service/impl/PmnActivityScheduleServiceImpl.java
+++ b/src/main/java/com/kiisoo/ic/activity/service/impl/PmnActivityScheduleServiceImpl.java
@@ -70,7 +70,7 @@ public class PmnActivityScheduleServiceImpl extends ServiceImpl<PmnActivitySched
                 .type(1)
                 .build();
         PmnActivityPromotion oldPmnActivityPromotion = activityPromotionService.getOne(Wrappers.<PmnActivityPromotion>lambdaQuery().eq(PmnActivityPromotion::getScheduleId, activitySchedule.getId()));
-        if (pmnActivityPromotion != null) {
+        if (oldPmnActivityPromotion != null) {
             pmnActivityPromotion.setId(oldPmnActivityPromotion.getId());
         }
         boolean saveActivityPromotion = activityPromotionService.saveOrUpdate(pmnActivityPromotion);