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From: tt-P607 <68868379+tt-P607@users.noreply.github.com>
Date: Mon, 29 Sep 2025 15:11:05 +0800
Subject: [PATCH] =?UTF-8?q?fix(chat):=20=E4=BF=AE=E5=A4=8D=E5=9C=A8?=
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在调用 `operation_forget_topic` 方法前增加空值检查，以防止当海马体或其相关组件尚未完全初始化时，调用该方法导致程序崩溃。此更改增强了记忆遗忘操作的健壮性。
---
 src/chat/memory_system/Hippocampus.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/chat/memory_system/Hippocampus.py b/src/chat/memory_system/Hippocampus.py
index b46464093..0be48bee8 100644
--- a/src/chat/memory_system/Hippocampus.py
+++ b/src/chat/memory_system/Hippocampus.py
@@ -1689,7 +1689,11 @@ class HippocampusManager:
         if not self._initialized:
             raise RuntimeError("HippocampusManager 尚未初始化，请先调用 initialize 方法")
         async with self._db_lock:
-            return await self._hippocampus.parahippocampal_gyrus.operation_forget_topic(percentage)
+            if self._hippocampus and self._hippocampus.parahippocampal_gyrus:
+                return await self._hippocampus.parahippocampal_gyrus.operation_forget_topic(percentage)
+            else:
+                logger.warning("海马体或海马旁回未初始化，跳过本次记忆遗忘。")
+                return None
 
     async def consolidate_memory(self):
         """整合记忆的公共接口"""