From 211bcd3df2d31c88a7ee2ecaae250a3f6d25ef38 Mon Sep 17 00:00:00 2001
From: XiaoMoMi <littlemomi@qq.com>
Date: Mon, 14 Jul 2025 20:21:42 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=E4=BF=9D=E9=99=A9?=
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---
 .../craftengine/bukkit/plugin/network/PacketConsumers.java      | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/bukkit/src/main/java/net/momirealms/craftengine/bukkit/plugin/network/PacketConsumers.java b/bukkit/src/main/java/net/momirealms/craftengine/bukkit/plugin/network/PacketConsumers.java
index 61622c379..109b6bcd3 100644
--- a/bukkit/src/main/java/net/momirealms/craftengine/bukkit/plugin/network/PacketConsumers.java
+++ b/bukkit/src/main/java/net/momirealms/craftengine/bukkit/plugin/network/PacketConsumers.java
@@ -2216,6 +2216,8 @@ public class PacketConsumers {
 
     public static final BiConsumer<NetWorkUser, ByteBufPacketEvent> SET_CREATIVE_MODE_SLOT = (user, event) -> {
         try {
+            if (!(user instanceof BukkitServerPlayer serverPlayer)) return;
+            if (!serverPlayer.isCreativeMode()) return;
             FriendlyByteBuf buf = event.getBuffer();
             Object friendlyBuf = FastNMS.INSTANCE.constructor$FriendlyByteBuf(buf);
             short slotNum = buf.readShort();