diff --git a/HMCLCore/src/main/java/org/jackhuang/hmcl/util/javafx/ReadWriteComposedProperty.java b/HMCLCore/src/main/java/org/jackhuang/hmcl/util/javafx/ReadWriteComposedProperty.java
index 9dd9246a2..60e2061f1 100644
--- a/HMCLCore/src/main/java/org/jackhuang/hmcl/util/javafx/ReadWriteComposedProperty.java
+++ b/HMCLCore/src/main/java/org/jackhuang/hmcl/util/javafx/ReadWriteComposedProperty.java
@@ -1,6 +1,6 @@
 /*
  * Hello Minecraft! Launcher
- * Copyright (C) 2020  huangyuhui <huanghongxun2008@126.com> and contributors
+ * Copyright (C) 2021  huangyuhui <huanghongxun2008@126.com> and contributors
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -44,7 +44,11 @@ public class ReadWriteComposedProperty<T> extends SimpleObjectProperty<T> {
         this.readSource = readSource;
         this.writeTarget = writeTarget;
 
-        this.listener = (observable, oldValue, newValue) -> set(newValue);
+        this.listener = (observable, oldValue, newValue) -> {
+            if (!isBound()) {
+                set(newValue);
+            }
+        };
         readSource.addListener(new WeakChangeListener<>(listener));
         set(readSource.getValue());
     }