diff --git a/src/main/java/com/atsuishio/superbwarfare/api/event/PreKillEvent.java b/src/main/java/com/atsuishio/superbwarfare/api/event/PreKillEvent.java
index dc6a7e576..03c982f11 100644
--- a/src/main/java/com/atsuishio/superbwarfare/api/event/PreKillEvent.java
+++ b/src/main/java/com/atsuishio/superbwarfare/api/event/PreKillEvent.java
@@ -11,6 +11,7 @@ import org.jetbrains.annotations.ApiStatus;
  * 玩家击杀生物后，用于判断是否发送击杀播报/显示击杀指示
  */
 @ApiStatus.Internal
+@ApiStatus.AvailableSince("0.7.7")
 public class PreKillEvent extends Event implements ICancellableEvent {
 
     private final Player player;
diff --git a/src/main/java/com/atsuishio/superbwarfare/api/event/ReloadEvent.java b/src/main/java/com/atsuishio/superbwarfare/api/event/ReloadEvent.java
index 8a90d46d8..7e81fb029 100644
--- a/src/main/java/com/atsuishio/superbwarfare/api/event/ReloadEvent.java
+++ b/src/main/java/com/atsuishio/superbwarfare/api/event/ReloadEvent.java
@@ -4,11 +4,11 @@ import com.atsuishio.superbwarfare.item.gun.data.GunData;
 import net.minecraft.world.entity.player.Player;
 import net.minecraft.world.item.ItemStack;
 import net.neoforged.bus.api.Event;
-import net.neoforged.bus.api.ICancellableEvent;
 import org.jetbrains.annotations.ApiStatus;
 
 @ApiStatus.Internal
-public class ReloadEvent extends Event implements ICancellableEvent {
+@ApiStatus.AvailableSince("0.7.7")
+public class ReloadEvent extends Event {
 
     public final Player player;
     public final GunData data;