diff --git a/serverlogic/src/main/java/com/ljsd/jieling/handler/map/MapManager.java b/serverlogic/src/main/java/com/ljsd/jieling/handler/map/MapManager.java
index 56a75a8bf..a38ea4445 100644
--- a/serverlogic/src/main/java/com/ljsd/jieling/handler/map/MapManager.java
+++ b/serverlogic/src/main/java/com/ljsd/jieling/handler/map/MapManager.java
@@ -117,7 +117,7 @@ public class MapManager extends MongoBase {
 
     private int lastMonsterAttack =1;//兽潮来袭波数
 
-    private Set<Integer> playedMapType;
+    private Set<Integer> playedMapType = new HashSet<>();
 
     public MapManager() {
         this.setRootCollection(User._COLLECTION_NAME);