diff --git a/requirement.txt b/requirement.txt
index 5f87406..1d89496 100644
--- a/requirement.txt
+++ b/requirement.txt
@@ -1,95 +1,44 @@
-# ============================================================================
-# AI Agent 项目依赖 - 生产环境锁定版本
-# 生成时间: 2026-04-20
-# Python 版本: 3.13+
-# ============================================================================
+# Core
+pydantic==2.12.5
+python-dotenv==1.2.2
+typing-extensions==4.15.0
 
-# Core Utilities (核心工具库)
-pypdf==6.10.0
-pandas==3.0.2
-requests==2.33.1
-beautifulsoup4==4.14.3
-numpy==2.4.4
-lxml==6.1.0
-pillow==12.2.0
-PyYAML==6.0.3
-
-# LangChain Ecosystem (LangChain 生态系统 - 核心框架)
+# LangChain
 langchain==1.2.15
 langchain-community==0.4.1
 langchain-core==1.2.28
 langchain-openai==1.1.12
-langchain-text-splitters==1.1.1
 langchain-qdrant==1.1.0
-langchain-classic==1.0.3
-langchain-experimental==0.4.1
-
-# Vector Database (向量数据库客户端)
-qdrant-client==1.17.1
-
-# Memory Layer (记忆层)
-mem0ai==1.0.11
-
-# LangGraph (工作流编排)
 langgraph==1.1.6
 langgraph-checkpoint-postgres==3.0.5
 
-# ZhipuAI Integration (智谱 AI SDK)
-zhipuai==2.1.5.20250825
-openai==2.32.0
+# Vector DB
+qdrant-client==1.17.1
 
-# Backend Framework (后端框架)
+# Memory
+mem0ai==1.0.11
+
+# Backend
 fastapi==0.135.3
 uvicorn[standard]==0.44.0
 
-# Frontend Framework (前端框架)
-streamlit==1.56.0
-altair==6.0.0
-
-# Database Driver (数据库驱动)
-psycopg[binary,pool]==3.3.3
+# Database
 asyncpg==0.31.0
-sqlalchemy==2.0.49
+psycopg[binary]==3.3.3
 
-# Data Validation (数据验证)
-pydantic==2.12.5
-
-# Environment & Type Support (环境变量和类型支持)
-python-dotenv==1.2.2
-typing-extensions==4.15.0
-
-# HTTP Client (HTTP 客户端)
+# HTTP
 httpx==0.28.1
-httpx-sse==0.4.3
 aiohttp==3.13.5
-aiofiles==25.1.0
 
-# Document Processing (文档处理)
-unstructured==0.22.21
-
-# NLP (自然语言处理)
-spacy==3.8.14
-
-# ML/Embeddings (机器学习/向量嵌入)
-torch==2.11.0
-sentence-transformers==5.4.1
-transformers==5.5.4
-tokenizers==0.22.2
-scikit-learn==1.8.0
-scipy==1.17.1
-tiktoken==0.12.0
-huggingface-hub==1.11.0
-
-# Utilities (工具库)
-rich==15.0.0
+# Utilities
 tenacity==9.1.4
-tqdm==4.67.3
-watchdog==6.0.0
-websockets==16.0
-gitpython==3.1.46
+rich==15.0.0
+PyYAML==6.0.3
 
-# ============================================================================
-# 注意:
-# 1. 此文件包含项目直接依赖的精确版本
-# 2. 升级依赖前请在测试环境验证兼容性
-# ============================================================================
+# Document Processing
+unstructured==0.22.21
+pypdf==6.10.0
+beautifulsoup4==4.14.3
+lxml==6.1.0
+pandas==3.0.2        # 若需Excel保留，否则移除
+spacy==3.8.14         # unstructured 可能依赖
\ No newline at end of file