抽盲盒

src/main/java/com/izouma/nineth/service/CollectionService.java

@@ -493,7 +493,7 @@ public class CollectionService {
 
             if (winItem != null) {
                 operations.putIfAbsent(winItem.getCollectionId() + "", winItem.getStock());
-                int stock = Math.toIntExact(operations.increment(winItem.getCollectionId(), -1));
+                int stock = Math.toIntExact(operations.increment(winItem.getCollectionId() + "", -1));
                 if (stock < 0) {
                     operations.increment(winItem.getCollectionId(), 1);
                     winItem = null;