diff --git a/src/main/java/com/mingliqiye/minecraft/enchantment/conflict/enchantment/Enchantment.java b/src/main/java/com/mingliqiye/minecraft/enchantment/conflict/enchantment/Enchantment.java
index 342d242..1c497af 100644
--- a/src/main/java/com/mingliqiye/minecraft/enchantment/conflict/enchantment/Enchantment.java
+++ b/src/main/java/com/mingliqiye/minecraft/enchantment/conflict/enchantment/Enchantment.java
@@ -61,7 +61,7 @@ public class Enchantment {
         List<Enchantment> groupsB = ofId(enchantmentB, config);
 
         if (groupsA.isEmpty() && groupsB.isEmpty()) {
-            return true;
+            return null;
         }
 
         for (Enchantment groupA : groupsA) {