1

src/main/java/com/kiisoo/ic/activity/listener/WelcomeCreatedListener.java

@@ -52,6 +52,9 @@ public class WelcomeCreatedListener {
         if (hasStores.size() > 0) {
             saveStores = saveStores.stream().filter(store -> hasStores.contains(store.getStoreId())).collect(Collectors.toList());
         }
+        saveStores = saveStores.stream().collect(
+                Collectors.collectingAndThen(Collectors.toCollection(() -> new TreeSet<>(Comparator.comparing(o -> o.getStoreId()))),
+                        ArrayList::new));
         pmnActivityStoreRelationService.saveBatch(saveStores);
     }
 }