From f7ae287e40fa21d44ffef2c8e2ca6bbf4bd99b02 Mon Sep 17 00:00:00 2001
From: Soulter <905617992@qq.com>
Date: Wed, 12 Feb 2025 00:27:25 +0800
Subject: [PATCH] fix: ensure result is retrieved again to handle potential
 plugin chain replacements

---
 astrbot/core/pipeline/result_decorate/stage.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/astrbot/core/pipeline/result_decorate/stage.py b/astrbot/core/pipeline/result_decorate/stage.py
index 1d9cca8a..f5a32178 100644
--- a/astrbot/core/pipeline/result_decorate/stage.py
+++ b/astrbot/core/pipeline/result_decorate/stage.py
@@ -57,7 +57,12 @@ class ResultDecorateStage(Stage):
         handlers = star_handlers_registry.get_handlers_by_event_type(EventType.OnDecoratingResultEvent)
         for handler in handlers:
             await handler.handler(event)
-            
+        
+        # 需要再获取一次。插件可能直接对 chain 进行了替换。
+        result = event.get_result()
+        if result is None:
+            return
+        
         if len(result.chain) > 0:
             # 回复前缀
             if self.reply_prefix: