Feat: Update docs

- 重构文档结构
- 更新文档内容
- 制定roadmap
- 提供中/EN 双语文档

docs/guides/README.md

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+# 📘 NOFX User Guides
+
+**Language:** [English](README.md) | [中文](README.zh-CN.md)
+
+Comprehensive guides to help you use NOFX effectively.
+
+---
+
+## 📚 Available Guides
+
+### 🔧 Basic Usage
+
+| Guide | Description | Status |
+|-------|-------------|--------|
+| [FAQ (English)](faq.en.md) | Frequently asked questions | ✅ Available |
+| [FAQ (中文)](faq.zh-CN.md) | 常见问题解答 | ✅ Available |
+| Configuration Guide | Advanced settings and options | 🚧 Coming Soon |
+| Trading Strategies | AI trading strategy examples | 🚧 Coming Soon |
+
+---
+
+## 🐛 Troubleshooting
+
+### Common Issues
+
+**Issue: TA-Lib not found**
+```bash
+# macOS
+brew install ta-lib
+
+# Ubuntu/Debian
+sudo apt-get install libta-lib0-dev
+```
+
+**Issue: Precision error**
+- System auto-handles LOT_SIZE from exchange
+- Check network connection
+- Verify exchange API is accessible
+
+**Issue: AI API timeout**
+- Check API key validity
+- Verify network connection
+- Check API balance/credits
+- Timeout is set to 120 seconds
+
+**Issue: Frontend can't connect**
+- Ensure backend is running (http://localhost:8080)
+- Check if port 8080 is available
+- Check browser console for errors
+
+---
+
+## 📖 Usage Tips
+
+### Best Practices
+
+**1. Risk Management**
+- Start with small amounts (100-500 USDT)
+- Use subaccounts for additional safety
+- Set reasonable leverage limits
+- Monitor daily loss limits
+
+**2. Performance Monitoring**
+- Check decision logs regularly
+- Analyze win rate and profit factor
+- Review AI reasoning (Chain of Thought)
+- Track equity curve trends
+
+**3. Configuration**
+- Test on testnet first
+- Gradually increase trading amounts
+- Adjust scan intervals (3-5 minutes recommended)
+- Use default coin list for beginners
+
+---
+
+## 🎯 Advanced Topics
+
+### Multi-Trader Competition
+Run multiple AI models simultaneously:
+- Qwen vs DeepSeek head-to-head
+- Compare performance in real-time
+- Identify best-performing strategies
+
+### Custom Coin Pools
+- Use external API for coin selection
+- Combine AI500 + OI Top data
+- Filter by liquidity and volume
+
+### Exchange Integration
+- Binance Futures (CEX)
+- Hyperliquid (DEX)
+- Aster DEX (Binance-compatible)
+
+---
+
+## 📊 Understanding Metrics
+
+### Key Performance Indicators
+
+**Win Rate**
+- Percentage of profitable trades
+- Target: >50% for consistent profit
+
+**Profit Factor**
+- Ratio of gross profit to gross loss
+- Target: >1.5 (1.5:1 or better)
+
+**Sharpe Ratio**
+- Risk-adjusted return measure
+- Higher is better (>1.0 is good)
+
+**Maximum Drawdown**
+- Largest peak-to-trough decline
+- Keep under 20% for safety
+
+---
+
+## 🔗 Related Documentation
+
+- [Getting Started (EN)](../getting-started/README.md) - Initial setup
+- [Getting Started (中文)](../getting-started/README.zh-CN.md) - 初始设置
+- [Community](../community/README.md) - Contributing and bounties
+- [FAQ (English)](faq.en.md) - Common questions
+- [FAQ (中文)](faq.zh-CN.md) - 常见问题
+
+---
+
+## 🆘 Need Help?
+
+**Can't find what you need?**
+- 💬 [Telegram Community](https://t.me/nofx_dev_community)
+- 🐛 [GitHub Issues](https://github.com/tinkle-community/nofx/issues)
+- 🐦 [Twitter @nofx_ai](https://x.com/nofx_ai)
+
+---
+
+[← Back to Documentation Home](../README.md)