From c454fa1acf1351a7684ec97dc1e364d6958d4f91 Mon Sep 17 00:00:00 2001
From: GeWuYou <95328647+GeWuYou@users.noreply.github.com>
Date: Wed, 25 Feb 2026 21:33:41 +0800
Subject: [PATCH] =?UTF-8?q?perf(GFramework.Core):=20=E4=BC=98=E5=8C=96Prio?=
 =?UTF-8?q?rityEvent=E4=BA=8B=E4=BB=B6=E5=A4=84=E7=90=86=E5=99=A8=E6=80=A7?=
 =?UTF-8?q?=E8=83=BD?=
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- 在MergeAndSortHandlers方法中创建_handlers和_contextHandlers的快照副本
- 避免在迭代期间直接访问集合可能发生的修改问题
- 提高事件处理时的性能表现和稳定性
---
 GFramework.Core/events/PriorityEvent.cs | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/GFramework.Core/events/PriorityEvent.cs b/GFramework.Core/events/PriorityEvent.cs
index e3dc4c6..5be3376 100644
--- a/GFramework.Core/events/PriorityEvent.cs
+++ b/GFramework.Core/events/PriorityEvent.cs
@@ -191,11 +191,13 @@ public class PriorityEvent<T> : IEvent
     private List<(int Priority, Action? Handler, Action<EventContext<T>>? ContextHandler, bool IsContext)>
         MergeAndSortHandlers(T t)
     {
+        var normalSnapshot = _handlers.ToArray();
+        var contextSnapshot = _contextHandlers.ToArray();
         // 使用快照避免迭代期间修改
-        return _handlers
+        return normalSnapshot
             .Select(h => (h.Priority, Handler: (Action?)(() => h.Handler.Invoke(t)),
                 ContextHandler: (Action<EventContext<T>>?)null, IsContext: false))
-            .Concat(_contextHandlers
+            .Concat(contextSnapshot
                 .Select(h => (h.Priority, Handler: (Action?)null,
                     ContextHandler: (Action<EventContext<T>>?)h.Handler, IsContext: true)))
             .OrderByDescending(h => h.Priority)