feat:增加记忆提取能力
This commit is contained in:
@@ -1,9 +1,8 @@
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import time
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import json
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import re
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import random
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import asyncio
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from typing import List, Dict, Any, Optional, Tuple
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from typing import List, Dict, Any, Optional, Tuple, Set
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from src.common.logger import get_logger
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from src.config.config import global_config, model_config
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from src.chat.utils.prompt_builder import Prompt, global_prompt_manager
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@@ -11,9 +10,8 @@ from src.plugin_system.apis import llm_api
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from src.common.database.database_model import ThinkingBack, Jargon
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from json_repair import repair_json
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from src.memory_system.retrieval_tools import get_tool_registry, init_all_tools
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from src.memory_system.retrieval_tools.query_lpmm_knowledge import query_lpmm_knowledge
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from src.llm_models.payload_content.message import MessageBuilder, RoleType, Message
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from src.jargon.jargon_utils import parse_chat_id_list, chat_id_list_contains, contains_bot_self_name
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from src.jargon.jargon_utils import parse_chat_id_list, chat_id_list_contains
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logger = get_logger("memory_retrieval")
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@@ -104,11 +102,10 @@ def init_memory_retrieval_prompt():
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**重要限制:**
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- 最大查询轮数:{max_iterations}轮(当前第{current_iteration}轮,剩余{remaining_iterations}轮)
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- 必须尽快得出答案,避免不必要的查询
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- 思考要简短,直接切入要点
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- 必须严格使用检索到的信息回答问题,不要编造信息
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当前问题:{question}
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当前需要解答的问题:{question}
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已收集的信息:
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{collected_info}
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@@ -118,18 +115,17 @@ def init_memory_retrieval_prompt():
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- 当前信息是否足够回答问题?
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- **如果信息足够且能找到明确答案**,在思考中直接给出答案,格式为:found_answer(answer="你的答案内容")
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- **如果需要尝试搜集更多信息,进一步调用工具,进入第二步行动环节
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- **如果已有信息不足或无法找到答案**,在思考中给出:not_enough_info(reason="信息不足或无法找到答案的原因")
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- **如果已有信息不足或无法找到答案,决定结束查询**,在思考中给出:not_enough_info(reason="结束查询的原因")
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**第二步:行动(Action)**
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- 如果涉及过往事件,可以使用聊天记录查询工具查询过往事件
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- 如果涉及概念,可以用jargon查询,或根据关键词检索聊天记录
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- 如果涉及过往事件,或者查询某个过去可能提到过的概念,或者某段时间发生的事件。可以使用聊天记录查询工具查询过往事件
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- 如果涉及人物,可以使用人物信息查询工具查询人物信息
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- 如果不确定查询类别,也可以使用lpmm知识库查询
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- 如果信息不足且需要继续查询,说明最需要查询什么,并输出为纯文本说明,然后调用相应工具查询(可并行调用多个工具)
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- 如果没有可靠信息,且查询时间充足,或者不确定查询类别,也可以使用lpmm知识库查询,作为辅助信息
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- 如果信息不足需要使用tool,说明需要查询什么,并输出为纯文本说明,然后调用相应工具查询(可并行调用多个工具)
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**重要规则:**
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- **只有在检索到明确、有关的信息并得出答案时,才使用found_answer**
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- **如果信息不足、无法确定、找不到相关信息,必须使用not_enough_info,不要使用found_answer**
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- **如果信息不足、无法确定、找不到相关信息导致的无法回答问题,决定结束查询,必须使用not_enough_info,不要使用found_answer**
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- 答案必须在思考中给出,格式为 found_answer(answer="...") 或 not_enough_info(reason="...")
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""",
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name="memory_retrieval_react_prompt_head",
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@@ -278,6 +274,7 @@ async def _retrieve_concepts_with_jargon(concepts: List[str], chat_id: str) -> s
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def _match_jargon_from_text(chat_text: str, chat_id: str) -> List[str]:
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"""直接在聊天文本中匹配已知的jargon,返回出现过的黑话列表"""
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print(chat_text)
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if not chat_text or not chat_text.strip():
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return []
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@@ -297,8 +294,6 @@ def _match_jargon_from_text(chat_text: str, chat_id: str) -> List[str]:
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if not content:
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continue
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if contains_bot_self_name(content):
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continue
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if not global_config.jargon.all_global and not jargon.is_global:
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chat_id_list = parse_chat_id_list(jargon.chat_id)
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@@ -325,7 +320,12 @@ def _match_jargon_from_text(chat_text: str, chat_id: str) -> List[str]:
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async def _react_agent_solve_question(
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question: str, chat_id: str, max_iterations: int = 5, timeout: float = 30.0, initial_info: str = ""
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question: str,
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chat_id: str,
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max_iterations: int = 5,
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timeout: float = 30.0,
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initial_info: str = "",
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initial_jargon_concepts: Optional[List[str]] = None,
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) -> Tuple[bool, str, List[Dict[str, Any]], bool]:
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"""使用ReAct架构的Agent来解决问题
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@@ -335,12 +335,19 @@ async def _react_agent_solve_question(
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max_iterations: 最大迭代次数
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timeout: 超时时间(秒)
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initial_info: 初始信息(如概念检索结果),将作为collected_info的初始值
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initial_jargon_concepts: 预先已解析过的黑话列表,避免重复解释
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Returns:
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Tuple[bool, str, List[Dict[str, Any]], bool]: (是否找到答案, 答案内容, 思考步骤列表, 是否超时)
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"""
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start_time = time.time()
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collected_info = initial_info if initial_info else ""
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seen_jargon_concepts: Set[str] = set()
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if initial_jargon_concepts:
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for concept in initial_jargon_concepts:
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concept = (concept or "").strip()
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if concept:
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seen_jargon_concepts.add(concept)
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thinking_steps = []
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is_timeout = False
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conversation_messages: List[Message] = []
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@@ -577,7 +584,7 @@ async def _react_agent_solve_question(
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step["observations"] = ["从LLM输出内容中检测到found_answer"]
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thinking_steps.append(step)
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logger.info(
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f"ReAct Agent 第 {iteration + 1} 次迭代 从LLM输出内容中检测到found_answer: {found_answer_content[:100]}..."
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f"ReAct Agent 第 {iteration + 1} 次迭代 找到关于问题{question}的答案: {found_answer_content}"
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)
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return True, found_answer_content, thinking_steps, False
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@@ -588,7 +595,7 @@ async def _react_agent_solve_question(
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step["observations"] = ["从LLM输出内容中检测到not_enough_info"]
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thinking_steps.append(step)
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logger.info(
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f"ReAct Agent 第 {iteration + 1} 次迭代 从LLM输出内容中检测到not_enough_info: {not_enough_info_reason[:100]}..."
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f"ReAct Agent 第 {iteration + 1} 次迭代 无法找到关于问题{question}的答案,原因: {not_enough_info_reason}"
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)
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return False, not_enough_info_reason, thinking_steps, False
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@@ -617,7 +624,7 @@ async def _react_agent_solve_question(
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if response and response.strip():
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# 如果响应不为空,记录思考过程,继续下一轮迭代
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step["observations"] = [f"思考完成,但未调用工具。响应: {response}"]
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logger.info(f"ReAct Agent 第 {iteration + 1} 次迭代 思考完成但未调用工具: {response[:100]}...")
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logger.info(f"ReAct Agent 第 {iteration + 1} 次迭代 思考完成但未调用工具: {response}")
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# 继续下一轮迭代,让LLM有机会在思考中给出found_answer或继续查询
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collected_info += f"思考: {response}"
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thinking_steps.append(step)
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@@ -681,14 +688,29 @@ async def _react_agent_solve_question(
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logger.error(f"ReAct Agent 第 {iteration + 1} 次迭代 工具 {i + 1} 执行异常: {observation}")
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observation_text = observation if isinstance(observation, str) else str(observation)
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stripped_observation = observation_text.strip()
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step["observations"].append(observation_text)
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collected_info += f"\n{observation_text}\n"
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if observation_text.strip():
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if stripped_observation:
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tool_builder = MessageBuilder()
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tool_builder.set_role(RoleType.Tool)
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tool_builder.add_text_content(observation_text)
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tool_builder.add_tool_call(tool_call_item.call_id)
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conversation_messages.append(tool_builder.build())
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jargon_concepts = _match_jargon_from_text(stripped_observation, chat_id)
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if jargon_concepts:
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jargon_info = ""
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new_concepts = []
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for concept in jargon_concepts:
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normalized_concept = concept.strip()
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if normalized_concept and normalized_concept not in seen_jargon_concepts:
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new_concepts.append(normalized_concept)
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seen_jargon_concepts.add(normalized_concept)
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if new_concepts:
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jargon_info = await _retrieve_concepts_with_jargon(new_concepts, chat_id)
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if jargon_info:
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collected_info += f"\n{jargon_info}\n"
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logger.info(f"工具输出触发黑话解析: {new_concepts}")
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# logger.info(f"ReAct Agent 第 {iteration + 1} 次迭代 工具 {i+1} 执行结果: {observation_text}")
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thinking_steps.append(step)
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@@ -758,83 +780,6 @@ def _get_recent_query_history(chat_id: str, time_window_seconds: float = 300.0)
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return ""
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def _get_cached_memories(chat_id: str, time_window_seconds: float = 300.0) -> List[str]:
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"""获取最近一段时间内缓存的记忆(只返回找到答案的记录)
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Args:
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chat_id: 聊天ID
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time_window_seconds: 时间窗口(秒),默认300秒(5分钟)
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Returns:
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List[str]: 格式化的记忆列表,每个元素格式为 "问题:xxx\n答案:xxx"
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"""
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try:
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current_time = time.time()
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start_time = current_time - time_window_seconds
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# 查询最近时间窗口内找到答案的记录,按更新时间倒序
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records = (
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ThinkingBack.select()
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.where(
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(ThinkingBack.chat_id == chat_id)
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& (ThinkingBack.update_time >= start_time)
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& (ThinkingBack.found_answer == 1)
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)
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.order_by(ThinkingBack.update_time.desc())
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.limit(5) # 最多返回5条最近的记录
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)
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if not records.exists():
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return []
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cached_memories = []
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for record in records:
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if record.answer:
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cached_memories.append(f"问题:{record.question}\n答案:{record.answer}")
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return cached_memories
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except Exception as e:
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logger.error(f"获取缓存记忆失败: {e}")
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return []
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def _query_thinking_back(chat_id: str, question: str) -> Optional[Tuple[bool, str]]:
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"""从thinking_back数据库中查询是否有现成的答案
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Args:
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chat_id: 聊天ID
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question: 问题
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Returns:
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Optional[Tuple[bool, str]]: 如果找到记录,返回(found_answer, answer),否则返回None
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found_answer: 是否找到答案(True表示found_answer=1,False表示found_answer=0)
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answer: 答案内容
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"""
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try:
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# 查询相同chat_id和问题的所有记录(包括found_answer为0和1的)
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# 按更新时间倒序,获取最新的记录
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records = (
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ThinkingBack.select()
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.where((ThinkingBack.chat_id == chat_id) & (ThinkingBack.question == question))
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.order_by(ThinkingBack.update_time.desc())
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.limit(1)
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)
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if records.exists():
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record = records.get()
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found_answer = bool(record.found_answer)
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answer = record.answer or ""
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logger.info(f"在thinking_back中找到记录,问题: {question[:50]}...,found_answer: {found_answer}")
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return found_answer, answer
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return None
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except Exception as e:
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logger.error(f"查询thinking_back失败: {e}")
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return None
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def _store_thinking_back(
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chat_id: str, question: str, context: str, found_answer: bool, answer: str, thinking_steps: List[Dict[str, Any]]
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) -> None:
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@@ -886,14 +831,21 @@ def _store_thinking_back(
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logger.error(f"存储思考过程失败: {e}")
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async def _process_single_question(question: str, chat_id: str, context: str, initial_info: str = "") -> Optional[str]:
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"""处理单个问题的查询(包含缓存检查逻辑)
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async def _process_single_question(
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question: str,
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chat_id: str,
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context: str,
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initial_info: str = "",
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initial_jargon_concepts: Optional[List[str]] = None,
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) -> Optional[str]:
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"""处理单个问题的查询
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Args:
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question: 要查询的问题
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chat_id: 聊天ID
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context: 上下文信息
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initial_info: 初始信息(如概念检索结果),将传递给ReAct Agent
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initial_jargon_concepts: 已经处理过的黑话概念列表,用于ReAct阶段的去重
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Returns:
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Optional[str]: 如果找到答案,返回格式化的结果字符串,否则返回None
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@@ -904,74 +856,33 @@ async def _process_single_question(question: str, chat_id: str, context: str, in
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question_initial_info = initial_info or ""
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# 预先进行一次LPMM知识库查询,作为后续ReAct Agent的辅助信息
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if global_config.lpmm_knowledge.enable:
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try:
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lpmm_result = await query_lpmm_knowledge(question, limit=2)
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if lpmm_result and lpmm_result.startswith("你从LPMM知识库中找到"):
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if question_initial_info:
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question_initial_info += "\n"
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question_initial_info += f"【LPMM知识库预查询】\n{lpmm_result}"
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logger.info(f"LPMM预查询命中,问题: {question[:50]}...")
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else:
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logger.info(f"LPMM预查询未命中或未找到信息,问题: {question[:50]}...")
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except Exception as e:
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logger.error(f"LPMM预查询失败,问题: {question[:50]}... 错误: {e}")
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# 直接使用ReAct Agent查询(不再从thinking_back获取缓存)
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logger.info(f"使用ReAct Agent查询,问题: {question[:50]}...")
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# 先检查thinking_back数据库中是否有现成答案
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cached_result = _query_thinking_back(chat_id, question)
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should_requery = False
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found_answer, answer, thinking_steps, is_timeout = await _react_agent_solve_question(
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question=question,
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chat_id=chat_id,
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max_iterations=global_config.memory.max_agent_iterations,
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timeout=120.0,
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initial_info=question_initial_info,
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initial_jargon_concepts=initial_jargon_concepts,
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)
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if cached_result:
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cached_found_answer, cached_answer = cached_result
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if cached_found_answer: # found_answer == 1 (True)
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# found_answer == 1:20%概率重新查询
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if random.random() < 0.5:
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should_requery = True
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logger.info(f"found_answer=1,触发20%概率重新查询,问题: {question[:50]}...")
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if not should_requery and cached_answer:
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logger.info(f"从thinking_back缓存中获取答案,问题: {question[:50]}...")
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return f"问题:{question}\n答案:{cached_answer}"
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elif not cached_answer:
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should_requery = True
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logger.info(f"found_answer=1 但缓存答案为空,重新查询,问题: {question[:50]}...")
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else:
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# found_answer == 0:不使用缓存,直接重新查询
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should_requery = True
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logger.info(f"thinking_back存在但未找到答案,忽略缓存重新查询,问题: {question[:50]}...")
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# 如果没有缓存答案或需要重新查询,使用ReAct Agent查询
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if not cached_result or should_requery:
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if should_requery:
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logger.info(f"概率触发重新查询,使用ReAct Agent查询,问题: {question[:50]}...")
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else:
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logger.info(f"未找到缓存答案,使用ReAct Agent查询,问题: {question[:50]}...")
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found_answer, answer, thinking_steps, is_timeout = await _react_agent_solve_question(
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question=question,
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# 存储查询历史到数据库(超时时不存储)
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if not is_timeout:
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_store_thinking_back(
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||||
chat_id=chat_id,
|
||||
max_iterations=global_config.memory.max_agent_iterations,
|
||||
timeout=120.0,
|
||||
initial_info=question_initial_info,
|
||||
question=question,
|
||||
context=context,
|
||||
found_answer=found_answer,
|
||||
answer=answer,
|
||||
thinking_steps=thinking_steps,
|
||||
)
|
||||
else:
|
||||
logger.info(f"ReAct Agent超时,不存储到数据库,问题: {question[:50]}...")
|
||||
|
||||
# 存储到数据库(超时时不存储)
|
||||
if not is_timeout:
|
||||
_store_thinking_back(
|
||||
chat_id=chat_id,
|
||||
question=question,
|
||||
context=context,
|
||||
found_answer=found_answer,
|
||||
answer=answer,
|
||||
thinking_steps=thinking_steps,
|
||||
)
|
||||
else:
|
||||
logger.info(f"ReAct Agent超时,不存储到数据库,问题: {question[:50]}...")
|
||||
|
||||
if found_answer and answer:
|
||||
return f"问题:{question}\n答案:{answer}"
|
||||
if found_answer and answer:
|
||||
return f"问题:{question}\n答案:{answer}"
|
||||
|
||||
return None
|
||||
|
||||
@@ -1036,19 +947,20 @@ async def build_memory_retrieval_prompt(
|
||||
|
||||
# 解析概念列表和问题列表
|
||||
_, questions = _parse_questions_json(response)
|
||||
logger.info(f"解析到 {len(questions)} 个问题: {questions}")
|
||||
if questions:
|
||||
logger.info(f"解析到 {len(questions)} 个问题: {questions}")
|
||||
|
||||
# 使用匹配逻辑自动识别聊天中的黑话概念
|
||||
concepts = _match_jargon_from_text(message, chat_id)
|
||||
if concepts:
|
||||
logger.info(f"黑话匹配命中 {len(concepts)} 个概念: {concepts}")
|
||||
else:
|
||||
logger.info("黑话匹配未命中任何概念")
|
||||
logger.debug("黑话匹配未命中任何概念")
|
||||
|
||||
# 对匹配到的概念进行jargon检索,作为初始信息
|
||||
initial_info = ""
|
||||
if concepts:
|
||||
logger.info(f"开始对 {len(concepts)} 个概念进行jargon检索")
|
||||
# logger.info(f"开始对 {len(concepts)} 个概念进行jargon检索")
|
||||
concept_info = await _retrieve_concepts_with_jargon(concepts, chat_id)
|
||||
if concept_info:
|
||||
initial_info += concept_info
|
||||
@@ -1056,25 +968,11 @@ async def build_memory_retrieval_prompt(
|
||||
else:
|
||||
logger.info("概念检索未找到任何结果")
|
||||
|
||||
# 获取缓存的记忆(与question时使用相同的时间窗口和数量限制)
|
||||
cached_memories = _get_cached_memories(chat_id, time_window_seconds=300.0)
|
||||
|
||||
if not questions:
|
||||
logger.debug("模型认为不需要检索记忆或解析失败")
|
||||
# 即使没有当次查询,也返回缓存的记忆和概念检索结果
|
||||
all_results = []
|
||||
if initial_info:
|
||||
all_results.append(initial_info.strip())
|
||||
if cached_memories:
|
||||
all_results.extend(cached_memories)
|
||||
|
||||
if all_results:
|
||||
retrieved_memory = "\n\n".join(all_results)
|
||||
end_time = time.time()
|
||||
logger.info(f"无当次查询,返回缓存记忆和概念检索结果,耗时: {(end_time - start_time):.3f}秒")
|
||||
return f"你回忆起了以下信息:\n{retrieved_memory}\n如果与回复内容相关,可以参考这些回忆的信息。\n"
|
||||
else:
|
||||
return ""
|
||||
logger.debug("模型认为不需要检索记忆或解析失败,不返回任何查询结果")
|
||||
end_time = time.time()
|
||||
logger.info(f"无当次查询,不返回任何结果,耗时: {(end_time - start_time):.3f}秒")
|
||||
return ""
|
||||
|
||||
# 第二步:并行处理所有问题(使用配置的最大迭代次数/120秒超时)
|
||||
max_iterations = global_config.memory.max_agent_iterations
|
||||
@@ -1082,7 +980,13 @@ async def build_memory_retrieval_prompt(
|
||||
|
||||
# 并行处理所有问题,将概念检索结果作为初始信息传递
|
||||
question_tasks = [
|
||||
_process_single_question(question=question, chat_id=chat_id, context=message, initial_info=initial_info)
|
||||
_process_single_question(
|
||||
question=question,
|
||||
chat_id=chat_id,
|
||||
context=message,
|
||||
initial_info=initial_info,
|
||||
initial_jargon_concepts=concepts,
|
||||
)
|
||||
for question in questions
|
||||
]
|
||||
|
||||
@@ -1090,37 +994,23 @@ async def build_memory_retrieval_prompt(
|
||||
results = await asyncio.gather(*question_tasks, return_exceptions=True)
|
||||
|
||||
# 收集所有有效结果
|
||||
all_results = []
|
||||
current_questions = set() # 用于去重,避免缓存和当次查询重复
|
||||
question_results: List[str] = []
|
||||
for i, result in enumerate(results):
|
||||
if isinstance(result, Exception):
|
||||
logger.error(f"处理问题 '{questions[i]}' 时发生异常: {result}")
|
||||
elif result is not None:
|
||||
all_results.append(result)
|
||||
# 提取问题用于去重
|
||||
if result.startswith("问题:"):
|
||||
question = result.split("\n")[0].replace("问题:", "").strip()
|
||||
current_questions.add(question)
|
||||
|
||||
# 将缓存的记忆添加到结果中(排除当次查询已包含的问题,避免重复)
|
||||
for cached_memory in cached_memories:
|
||||
if cached_memory.startswith("问题:"):
|
||||
question = cached_memory.split("\n")[0].replace("问题:", "").strip()
|
||||
# 只有当次查询中没有相同问题时,才添加缓存记忆
|
||||
if question not in current_questions:
|
||||
all_results.append(cached_memory)
|
||||
logger.debug(f"添加缓存记忆: {question[:50]}...")
|
||||
question_results.append(result)
|
||||
|
||||
end_time = time.time()
|
||||
|
||||
if all_results:
|
||||
retrieved_memory = "\n\n".join(all_results)
|
||||
if question_results:
|
||||
retrieved_memory = "\n\n".join(question_results)
|
||||
logger.info(
|
||||
f"记忆检索成功,耗时: {(end_time - start_time):.3f}秒,包含 {len(all_results)} 条记忆(含缓存)"
|
||||
f"记忆检索成功,耗时: {(end_time - start_time):.3f}秒,包含 {len(question_results)} 条记忆"
|
||||
)
|
||||
return f"你回忆起了以下信息:\n{retrieved_memory}\n如果与回复内容相关,可以参考这些回忆的信息。\n"
|
||||
else:
|
||||
logger.debug("所有问题均未找到答案,且无缓存记忆")
|
||||
logger.debug("所有问题均未找到答案")
|
||||
return ""
|
||||
|
||||
except Exception as e:
|
||||
|
||||
Reference in New Issue
Block a user