diff --git a/src/main/java/icu/samnyan/aqua/sega/maimai2/model/userdata/UserEntities.kt b/src/main/java/icu/samnyan/aqua/sega/maimai2/model/userdata/UserEntities.kt
index 60f4004b..c0e5b8cf 100644
--- a/src/main/java/icu/samnyan/aqua/sega/maimai2/model/userdata/UserEntities.kt
+++ b/src/main/java/icu/samnyan/aqua/sega/maimai2/model/userdata/UserEntities.kt
@@ -165,7 +165,7 @@ class Mai2UserExtend : Mai2UserEntity() {
     @Convert(converter = IntegerListConverter::class)
     var selectedCardList: List<Int> = ArrayList()
 
-    @OneToMany(mappedBy = "userExtend")
+    @OneToMany(mappedBy = "userExtend", targetEntity = Mai2MapEncountNpc::class)
     var encountMapNpcList: List<Mai2MapEncountNpc> = ArrayList()
 }