From 4bcdfa296839ae51d5b050dc4ce38af8a75e5ed8 Mon Sep 17 00:00:00 2001
From: jhqwqmc <2110242767@qq.com>
Date: Fri, 30 May 2025 06:53:54 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E4=BF=AE=E5=A4=8D=20#194=20#196?=
MIME-Version: 1.0
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---
 .../craftengine/bukkit/plugin/network/PacketConsumers.java     | 2 +-
 server-mod/v1_21_5/src/main/resources/mixins.craftengine.json  | 3 +--
 2 files changed, 2 insertions(+), 3 deletions(-)

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 31acebdf2..eeabcac93 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
@@ -2290,7 +2290,7 @@ public class PacketConsumers {
     private static BukkitNetworkManager.Handlers simpleAddEntityHandler(EntityPacketHandler handler) {
         return (user, event) -> {
             FriendlyByteBuf buf = event.getBuffer();
-            user.entityPacketHandlers().put(buf.readVarInt(), handler);
+            user.entityPacketHandlers().putIfAbsent(buf.readVarInt(), handler);
         };
     }
 }
diff --git a/server-mod/v1_21_5/src/main/resources/mixins.craftengine.json b/server-mod/v1_21_5/src/main/resources/mixins.craftengine.json
index 288b6501f..69e19f9d0 100644
--- a/server-mod/v1_21_5/src/main/resources/mixins.craftengine.json
+++ b/server-mod/v1_21_5/src/main/resources/mixins.craftengine.json
@@ -6,7 +6,6 @@
   "target": "@env(DEFAULT)",
   "compatibilityLevel": "JAVA_21",
   "server": [
-    "BlocksMixin",
-    "ItemStackMixin"
+    "BlocksMixin"
   ]
 }