fix：尝试优化pfc复读

src/do_tool/tool_can_use/get_memory.py

@@ -14,10 +14,10 @@ class GetMemoryTool(BaseTool):
     parameters = {
         "type": "object",
         "properties": {
-            "text": {"type": "string", "description": "要查询的相关文本"},
+            "topic": {"type": "string", "description": "要查询的相关主题,用逗号隔开"},
             "max_memory_num": {"type": "integer", "description": "最大返回记忆数量"},
         },
-        "required": ["text"],
+        "required": ["topic"],
     }
 
     async def execute(self, function_args: Dict[str, Any], message_txt: str = "") -> Dict[str, Any]:
@@ -31,12 +31,15 @@ class GetMemoryTool(BaseTool):
             Dict: 工具执行结果
         """
         try:
-            text = function_args.get("text", message_txt)
+            topic = function_args.get("topic", message_txt)
             max_memory_num = function_args.get("max_memory_num", 2)
+            
+            # 将主题字符串转换为列表
+            topic_list = topic.split(",")
 
             # 调用记忆系统
-            related_memory = await HippocampusManager.get_instance().get_memory_from_text(
-                text=text, max_memory_num=max_memory_num, max_memory_length=2, max_depth=3, fast_retrieval=False
+            related_memory = await HippocampusManager.get_instance().get_memory_from_topic(
+                valid_keywords=topic_list, max_memory_num=max_memory_num, max_memory_length=2, max_depth=3
             )
 
             memory_info = ""
@@ -47,7 +50,7 @@ class GetMemoryTool(BaseTool):
             if memory_info:
                 content = f"你记得这些事情: {memory_info}"
             else:
-                content = f"你不太记得有关{text}的记忆，你对此不太了解"
+                content = f"你不太记得有关{topic}的记忆，你对此不太了解"
 
             return {"name": "get_memory", "content": content}
         except Exception as e: