diff --git a/gdxapp4d-lib-bassboonyd/src/main/java/love/distributedrebirth/bassboonyd/BãßBȍőn.java b/gdxapp4d-lib-bassboonyd/src/main/java/love/distributedrebirth/bassboonyd/BãßBȍőn.java
index 7503156d..4edc5ab9 100644
--- a/gdxapp4d-lib-bassboonyd/src/main/java/love/distributedrebirth/bassboonyd/BãßBȍőn.java
+++ b/gdxapp4d-lib-bassboonyd/src/main/java/love/distributedrebirth/bassboonyd/BãßBȍőn.java
@@ -1,7 +1,7 @@
 package love.distributedrebirth.bassboonyd;
 
-import java.util.HashMap;
 import java.util.Map;
+import java.util.WeakHashMap;
 import java.util.concurrent.locks.Lock;
 import java.util.concurrent.locks.ReadWriteLock;
 import java.util.concurrent.locks.ReentrantReadWriteLock;
@@ -13,7 +13,7 @@ import love.distributedrebirth.bassboonyd.info.BãßBȍőnAuthor注;
 public interface BãßBȍőn<T, K extends BãßBȍőnCoffinStoreKeyʸᴰ> {
 
 	static class Ꝑŕḯṿª₮ḕ implements BãßBȍőnꝐŕḯṿª₮ḕ {
-		private static final Map<Object, BãßBȍőnCoffinʸᴰ<?>> GRAVE_YARD = new HashMap<>();
+		private static final Map<Object, BãßBȍőnCoffinʸᴰ<?>> GRAVE_YARD = new WeakHashMap<>(); // TODO: test bean gc
 		private static final ReadWriteLock FUNERAL = new ReentrantReadWriteLock();
 		
 		@SafeVarargs