diff --git a/app/__pycache__/models.cpython-311.pyc b/app/__pycache__/models.cpython-311.pyc
index 4efde23..717c06d 100644
Binary files a/app/__pycache__/models.cpython-311.pyc and b/app/__pycache__/models.cpython-311.pyc differ
diff --git a/app/api/__pycache__/futures_analysis.cpython-311.pyc b/app/api/__pycache__/futures_analysis.cpython-311.pyc
index 0050bd3..3044ec9 100644
Binary files a/app/api/__pycache__/futures_analysis.cpython-311.pyc and b/app/api/__pycache__/futures_analysis.cpython-311.pyc differ
diff --git a/app/api/futures_analysis.py b/app/api/futures_analysis.py
index 1de767e..710c9b2 100644
--- a/app/api/futures_analysis.py
+++ b/app/api/futures_analysis.py
@@ -5,14 +5,16 @@ import json
 import logging
 from pathlib import Path
 from typing import Optional
+import threading
 
-from fastapi import APIRouter, Depends, HTTPException
+from fastapi import APIRouter, Depends, HTTPException, BackgroundTasks
 from sqlalchemy.orm import Session
 
 from app.database import get_db
 from app.analysis_db import get_analysis_db
 from app.analysis_models import FuturesAnalysis, WatchedSymbol, AIModelConfig, AnalysisSettings
-from app.services.cache import get_cached_data, get_latest_cached
+from app.services.cache import get_cached_data, get_latest_cached, save_market_data
+from app.services.collector import fetch_symbol_data
 
 logger = logging.getLogger(__name__)
 router = APIRouter(prefix="/futures", tags=["期货智析"])
@@ -687,3 +689,100 @@ def delete_ai_model(model_id: int, adb: Session = Depends(get_analysis_db)):
     except Exception as e:
         adb.rollback()
         return {"success": False, "message": str(e)}
+
+
+# ==================== 数据刷新接口 ====================
+
+from app.services.cache import needs_refresh, get_symbol_timestamp
+
+refresh_lock = threading.Lock()
+refresh_status = {"running": False, "progress": 0, "total": 0, "message": ""}
+REFRESH_THRESHOLD = 300  # 5分钟阈值
+
+
+def _refresh_single_symbol_sync(db: Session, symbol: str) -> dict:
+    """同步刷新单个品种数据（会等待采集完成）"""
+    try:
+        # 先检查是否需要刷新
+        if not needs_refresh(db, symbol, "futures", REFRESH_THRESHOLD):
+            last_refresh = get_symbol_timestamp(db, symbol, "futures")
+            return {
+                "success": True,
+                "message": f"{symbol} 数据仍然新鲜，无需刷新",
+                "last_refresh": last_refresh.isoformat() if last_refresh else None,
+                "refreshed": False
+            }
+        
+        # 需要刷新，执行采集
+        logger.info(f"开始刷新 {symbol} 数据...")
+        result = fetch_symbol_data(symbol, "futures")
+        
+        if result.get("timeframes"):
+            save_market_data(db, symbol, result)
+            logger.info(f"{symbol} 数据刷新完成")
+            return {
+                "success": True,
+                "message": f"{symbol} 数据已更新",
+                "refreshed": True
+            }
+        return {"success": False, "message": f"{symbol} 未获取到数据", "refreshed": False}
+    except Exception as e:
+        logger.error(f"刷新 {symbol} 失败: {e}")
+        return {"success": False, "message": f"{symbol} 刷新失败: {str(e)}", "refreshed": False}
+
+
+@router.post("/refresh/{symbol}")
+def refresh_single_symbol_api(symbol: str, db: Session = Depends(get_db)):
+    """刷新单个品种合约数据（同步执行，检查时间戳）"""
+    if refresh_lock.locked():
+        return {"success": False, "message": "数据刷新中，请稍后再试"}
+    
+    try:
+        refresh_lock.acquire()
+        result = _refresh_single_symbol_sync(db, symbol)
+        return result
+    finally:
+        refresh_lock.release()
+
+
+@router.post("/refresh-all")
+def refresh_all_symbols_api(background_tasks: BackgroundTasks):
+    """刷新所有品种合约数据（异步执行）"""
+    global refresh_status
+    
+    if refresh_lock.locked():
+        return {"success": False, "message": "数据刷新中，请稍后再试"}
+    
+    # 从配置加载所有品种
+    config = _load_symbols_config()
+    futures_config = config.get("futures", {})
+    symbols = list(futures_config.values())
+    
+    def refresh_all_task():
+        global refresh_status
+        
+        # 在后台任务内部创建新的数据库会话
+        local_db = next(get_db())
+        
+        try:
+            with refresh_lock:
+                refresh_status = {"running": True, "progress": 0, "total": len(symbols), "message": "开始刷新..."}
+            
+            for i, symbol in enumerate(symbols):
+                refresh_status["message"] = f"正在刷新 {symbol} ({i + 1}/{len(symbols)})"
+                refresh_status["progress"] = i + 1
+                _refresh_single_symbol_sync(local_db, symbol)
+            
+            with refresh_lock:
+                refresh_status = {"running": False, "progress": len(symbols), "total": len(symbols), "message": "全部刷新完成"}
+        finally:
+            local_db.close()
+    
+    background_tasks.add_task(refresh_all_task)
+    return {"success": True, "message": "开始刷新所有品种数据...", "count": len(symbols)}
+
+
+@router.get("/refresh-status")
+def get_refresh_status():
+    """获取刷新状态"""
+    return {"success": True, "data": refresh_status}
diff --git a/app/models.py b/app/models.py
index d3a9a0b..553a28f 100644
--- a/app/models.py
+++ b/app/models.py
@@ -28,6 +28,20 @@ class MarketData(Base):
         return f"<MarketData {self.symbol} {self.period} candles={self.candle_count}>"
 
 
+class SymbolTimestamp(Base):
+    """合约数据时间戳表 - 记录每个合约的最新数据时间"""
+    __tablename__ = "symbol_timestamps"
+
+    id = Column(Integer, primary_key=True, autoincrement=True)
+    symbol = Column(String(32), nullable=False, unique=True, index=True, comment="品种合约代码")
+    data_type = Column(String(16), nullable=False, default="futures", comment="数据类型")
+    last_refresh_at = Column(DateTime, nullable=False, default=datetime.now, comment="最后刷新时间")
+    refresh_count = Column(Integer, default=0, comment="刷新次数")
+
+    def __repr__(self):
+        return f"<SymbolTimestamp {self.symbol} last_refresh={self.last_refresh_at}>"
+
+
 class ScheduledTask(Base):
     """定时任务配置表"""
     __tablename__ = "scheduled_tasks"
diff --git a/app/services/__pycache__/cache.cpython-311.pyc b/app/services/__pycache__/cache.cpython-311.pyc
index 9e6ef0a..61545ad 100644
Binary files a/app/services/__pycache__/cache.cpython-311.pyc and b/app/services/__pycache__/cache.cpython-311.pyc differ
diff --git a/app/services/cache.py b/app/services/cache.py
index 423a4c0..f6c8533 100644
--- a/app/services/cache.py
+++ b/app/services/cache.py
@@ -8,7 +8,7 @@ from typing import Dict, List, Optional
 
 from sqlalchemy.orm import Session
 
-from app.models import MarketData, ScheduledTask
+from app.models import MarketData, ScheduledTask, SymbolTimestamp
 from app.config import CACHE_TTL_SECONDS
 
 logger = logging.getLogger(__name__)
@@ -67,7 +67,7 @@ def check_cache_status(
 
 def save_market_data(db: Session, symbol: str, data: Dict) -> MarketData:
     """
-    保存采集结果到缓存。
+    保存采集结果到缓存，并同步更新合约时间戳。
 
     Args:
         symbol: 品种代码
@@ -105,6 +105,9 @@ def save_market_data(db: Session, symbol: str, data: Dict) -> MarketData:
             )
             db.add(record)
 
+    # 更新合约时间戳
+    update_symbol_timestamp(db, symbol, data.get("type", "futures"), now)
+
     db.commit()
     logger.info(f"缓存已更新: {symbol}, {len(data.get('timeframes', {}))} 个周期")
 
@@ -115,6 +118,58 @@ def save_market_data(db: Session, symbol: str, data: Dict) -> MarketData:
     ).order_by(MarketData.fetched_at.desc()).first()
 
 
+def update_symbol_timestamp(db: Session, symbol: str, data_type: str, refresh_time: datetime) -> None:
+    """更新或创建合约时间戳记录"""
+    timestamp_record = db.query(SymbolTimestamp).filter_by(
+        symbol=symbol,
+        data_type=data_type
+    ).first()
+
+    if timestamp_record:
+        timestamp_record.last_refresh_at = refresh_time
+        timestamp_record.refresh_count += 1
+    else:
+        timestamp_record = SymbolTimestamp(
+            symbol=symbol,
+            data_type=data_type,
+            last_refresh_at=refresh_time,
+            refresh_count=1
+        )
+        db.add(timestamp_record)
+    
+    db.commit()
+
+
+def get_symbol_timestamp(db: Session, symbol: str, data_type: str = "futures") -> Optional[datetime]:
+    """获取合约最后刷新时间"""
+    record = db.query(SymbolTimestamp).filter_by(
+        symbol=symbol,
+        data_type=data_type
+    ).first()
+    return record.last_refresh_at if record else None
+
+
+def needs_refresh(db: Session, symbol: str, data_type: str = "futures", threshold_seconds: int = 300) -> bool:
+    """
+    检查合约是否需要刷新（数据是否超过阈值时间）
+    
+    Args:
+        db: 数据库会话
+        symbol: 品种代码
+        data_type: 数据类型
+        threshold_seconds: 阈值时间（秒），默认300秒（5分钟）
+        
+    Returns:
+        True 表示需要刷新，False 表示数据仍然新鲜
+    """
+    last_refresh = get_symbol_timestamp(db, symbol, data_type)
+    if last_refresh is None:
+        return True  # 从未刷新过，需要刷新
+    
+    age = (datetime.now() - last_refresh).total_seconds()
+    return age > threshold_seconds
+
+
 def get_latest_cached(
     db: Session,
     symbol: str,
diff --git a/app/static/futures_analysis.css b/app/static/futures_analysis.css
index b07bfe5..3e5106e 100644
--- a/app/static/futures_analysis.css
+++ b/app/static/futures_analysis.css
@@ -1694,6 +1694,37 @@ body.theme-minimal .watch-btn.active {
     background: rgba(236, 126, 0, 0.15);
 }
 
+/* 卡片刷新按钮 */
+.card-refresh-btn {
+    width: 32px;
+    height: 32px;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    background: none;
+    border: 1px solid var(--border-color);
+    border-radius: 8px;
+    color: var(--text-muted);
+    cursor: pointer;
+    transition: all 0.2s;
+    font-size: 12px;
+}
+
+.card-refresh-btn:hover {
+    border-color: var(--cyan);
+    color: var(--cyan);
+    background: rgba(6, 182, 212, 0.1);
+}
+
+body.theme-minimal .card-refresh-btn {
+    border-radius: 9999px;
+    background: var(--bg-card);
+}
+
+body.theme-minimal .card-refresh-btn:hover {
+    background: rgba(6, 182, 212, 0.1);
+}
+
 /* ============================================
    价格关键位标签
    ============================================ */
@@ -1725,6 +1756,201 @@ body.theme-minimal .level-tag {
     border-radius: 9999px;
 }
 
+/* ============================================
+   Toast 提示
+   ============================================ */
+.toast-container {
+    position: fixed;
+    top: 80px;
+    right: 24px;
+    z-index: 2000;
+    display: flex;
+    flex-direction: column;
+    gap: 10px;
+}
+
+.toast {
+    display: flex;
+    align-items: center;
+    gap: 10px;
+    padding: 14px 20px;
+    background: var(--bg-card);
+    border: 1px solid var(--border-color);
+    border-radius: 12px;
+    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
+    backdrop-filter: blur(10px);
+    animation: slideIn 0.3s ease-out;
+    min-width: 280px;
+    max-width: 400px;
+}
+
+@keyframes slideIn {
+    from {
+        opacity: 0;
+        transform: translateX(100%);
+    }
+    to {
+        opacity: 1;
+        transform: translateX(0);
+    }
+}
+
+@keyframes slideOut {
+    from {
+        opacity: 1;
+        transform: translateX(0);
+    }
+    to {
+        opacity: 0;
+        transform: translateX(100%);
+    }
+}
+
+.toast.removing {
+    animation: slideOut 0.3s ease-in forwards;
+}
+
+.toast-icon {
+    width: 24px;
+    height: 24px;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    border-radius: 50%;
+    font-size: 12px;
+    flex-shrink: 0;
+}
+
+.toast.success .toast-icon {
+    background: rgba(16, 185, 129, 0.15);
+    color: var(--green);
+}
+
+.toast.info .toast-icon {
+    background: rgba(6, 182, 212, 0.15);
+    color: var(--cyan);
+}
+
+.toast.warning .toast-icon {
+    background: rgba(245, 158, 11, 0.15);
+    color: var(--amber);
+}
+
+.toast.error .toast-icon {
+    background: rgba(239, 68, 68, 0.15);
+    color: var(--red);
+}
+
+.toast-content {
+    flex: 1;
+}
+
+.toast-title {
+    font-size: 13px;
+    font-weight: 600;
+    color: var(--text-primary);
+    margin-bottom: 2px;
+}
+
+.toast-message {
+    font-size: 12px;
+    color: var(--text-secondary);
+}
+
+body.theme-minimal .toast {
+    background: #ffffff;
+    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
+}
+
+/* ============================================
+   刷新按钮
+   ============================================ */
+.refresh-all-btn {
+    display: flex;
+    align-items: center;
+    gap: 8px;
+    padding: 10px 20px;
+    background: var(--cyan);
+    border: none;
+    border-radius: 9999px;
+    color: white;
+    font-size: 13px;
+    font-weight: 500;
+    cursor: pointer;
+    transition: all 0.2s;
+}
+
+.refresh-all-btn:hover {
+    background: var(--cyan-glow);
+    transform: translateY(-1px);
+}
+
+.refresh-all-btn:disabled {
+    opacity: 0.5;
+    cursor: not-allowed;
+}
+
+.refresh-all-btn i {
+    font-size: 14px;
+}
+
+.refresh-all-btn.spinning i {
+    animation: spin 1s linear infinite;
+}
+
+@keyframes spin {
+    from { transform: rotate(0deg); }
+    to { transform: rotate(360deg); }
+}
+
+.filter-actions {
+    display: flex;
+    align-items: center;
+    gap: 12px;
+}
+
+/* 详情页面刷新按钮 */
+.detail-actions {
+    display: flex;
+    align-items: center;
+    gap: 12px;
+    margin-bottom: 16px;
+}
+
+.refresh-btn {
+    display: flex;
+    align-items: center;
+    gap: 8px;
+    padding: 8px 16px;
+    background: var(--bg-card);
+    border: 1px solid var(--border-color);
+    border-radius: 8px;
+    color: var(--text-secondary);
+    font-size: 13px;
+    cursor: pointer;
+    transition: all 0.2s;
+}
+
+.refresh-btn:hover {
+    background: var(--bg-card-hover);
+    color: var(--text-primary);
+    border-color: var(--border-glow);
+}
+
+.refresh-btn:disabled {
+    opacity: 0.5;
+    cursor: not-allowed;
+}
+
+body.theme-minimal .refresh-btn {
+    background: var(--bg-secondary);
+    border-radius: 9999px;
+}
+
+body.theme-minimal .refresh-all-btn {
+    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
+}
+
 /* ============================================
    历史分析记录
    ============================================ */
diff --git a/app/static/futures_analysis.html b/app/static/futures_analysis.html
index 4a33e53..c1e1662 100644
--- a/app/static/futures_analysis.html
+++ b/app/static/futures_analysis.html
@@ -62,6 +62,9 @@
             </div>
         </header>
 
+        <!-- Toast 提示容器 -->
+        <div class="toast-container" id="toast-container"></div>
+
         <!-- 主内容区 -->
         <main class="main-content">
             <!-- 品种列表视图 -->
@@ -114,7 +117,12 @@
                             <span>金融</span>
                         </button>
                     </div>
-                    <div class="sort-select">
+                    <div class="filter-actions">
+                        <button class="refresh-all-btn" id="refresh-all-btn" title="刷新全部品种">
+                            <i class="fas fa-sync-alt"></i>
+                            <span>刷新全部</span>
+                        </button>
+                        <div class="sort-select">
                         <select id="sort-select">
                             <option value="trend_score">趋势评分</option>
                             <option value="success_rate">成功率</option>
@@ -122,6 +130,7 @@
                             <option value="name">名称</option>
                         </select>
                     </div>
+                    </div>
                 </div>
 
                 <!-- 统计概览 -->
@@ -165,10 +174,16 @@
             <!-- 详情分析视图 -->
             <div id="detail-view" class="view">
                 <!-- 返回按钮 -->
-                <button class="back-btn" id="back-btn">
-                    <i class="fas fa-arrow-left"></i>
-                    <span>返回</span>
-                </button>
+                <div class="detail-actions">
+                    <button class="back-btn" id="back-btn">
+                        <i class="fas fa-arrow-left"></i>
+                        <span>返回</span>
+                    </button>
+                    <button class="refresh-btn" id="refresh-symbol-btn" title="刷新合约数据">
+                        <i class="fas fa-sync-alt"></i>
+                        <span>刷新数据</span>
+                    </button>
+                </div>
 
                 <!-- 品种标题区 -->
                 <div class="detail-header">
diff --git a/app/static/futures_analysis.js b/app/static/futures_analysis.js
index 877740b..c0a6db5 100644
--- a/app/static/futures_analysis.js
+++ b/app/static/futures_analysis.js
@@ -70,6 +70,16 @@ function initEventListeners() {
         }
     });
     
+    // 刷新全部按钮
+    document.getElementById('refresh-all-btn').addEventListener('click', refreshAllSymbols);
+    
+    // 详情页刷新按钮
+    document.getElementById('refresh-symbol-btn').addEventListener('click', function() {
+        if (currentSymbol) {
+            refreshSingleSymbol(currentSymbol);
+        }
+    });
+    
     const savedTheme = localStorage.getItem('futures-theme');
     if (savedTheme === 'dark') {
         document.body.classList.remove('theme-minimal');
@@ -321,6 +331,9 @@ function renderFuturesGrid(data) {
                     <span><span class="label">支撑</span> <span class="up">${formatNumber(item.support)}</span></span>
                 </div>
                 <div style="display:flex;align-items:center;gap:8px;">
+                    <button class="card-refresh-btn" onclick="event.stopPropagation(); refreshSingleSymbol('${item.symbol}', this)" title="刷新数据">
+                        <i class="fas fa-sync-alt"></i>
+                    </button>
                     <button class="watch-btn ${isWatched ? 'active' : ''}" onclick="toggleWatch('${item.symbol}', '${item.name}', event)" title="${isWatched ? '取消自选' : '加入自选'}">
                         <i class="fas fa-star"></i>
                     </button>
@@ -925,3 +938,169 @@ function calcEMA(data, period) {
     
     return result;
 }
+
+// ==================== Toast 提示 ====================
+
+function showToast(type, title, message, duration = 3000) {
+    const container = document.getElementById('toast-container');
+    
+    const iconMap = {
+        success: 'fas fa-check',
+        info: 'fas fa-info',
+        warning: 'fas fa-exclamation',
+        error: 'fas fa-times'
+    };
+    
+    const toast = document.createElement('div');
+    toast.className = `toast ${type}`;
+    toast.innerHTML = `
+        <div class="toast-icon"><i class="${iconMap[type]}"></i></div>
+        <div class="toast-content">
+            <div class="toast-title">${title}</div>
+            <div class="toast-message">${message}</div>
+        </div>
+    `;
+    
+    container.appendChild(toast);
+    
+    setTimeout(() => {
+        toast.classList.add('removing');
+        setTimeout(() => toast.remove(), 300);
+    }, duration);
+}
+
+// ==================== 数据刷新功能 ====================
+
+let isRefreshing = false;
+
+async function refreshAllSymbols() {
+    if (isRefreshing) return;
+    
+    const btn = document.getElementById('refresh-all-btn');
+    btn.disabled = true;
+    btn.classList.add('spinning');
+    isRefreshing = true;
+    
+    showToast('info', '开始刷新', '正在同步所有品种数据...');
+    
+    try {
+        const response = await fetch(`${API_BASE}/refresh-all`, { method: 'POST' });
+        const data = await response.json();
+        
+        if (data.success) {
+            pollRefreshStatus();
+        } else {
+            showToast('error', '刷新失败', data.message || '请稍后重试');
+            resetRefreshButton(btn);
+        }
+    } catch (error) {
+        console.error('刷新全部失败:', error);
+        showToast('error', '刷新失败', '网络错误，请稍后重试');
+        resetRefreshButton(btn);
+    }
+}
+
+async function pollRefreshStatus() {
+    const btn = document.getElementById('refresh-all-btn');
+    
+    try {
+        const response = await fetch(`${API_BASE}/refresh-status`);
+        const data = await response.json();
+        
+        if (data.success && data.data) {
+            const status = data.data;
+            
+            if (!status.running) {
+                resetRefreshButton(btn);
+                
+                await loadFuturesList();
+                
+                if (currentSymbol) {
+                    await loadFuturesDetail(currentSymbol);
+                    await loadKlineData(currentSymbol, currentPeriod);
+                }
+                
+                showToast('success', '刷新完成', `已同步 ${status.total} 个品种数据`);
+            } else {
+                btn.innerHTML = `<i class="fas fa-sync-alt"></i><span>刷新中 ${status.progress}/${status.total}</span>`;
+                setTimeout(pollRefreshStatus, 2000);
+            }
+        }
+    } catch (error) {
+        console.error('获取刷新状态失败:', error);
+        resetRefreshButton(btn);
+    }
+}
+
+function resetRefreshButton(btn) {
+    btn.disabled = false;
+    btn.classList.remove('spinning');
+    btn.innerHTML = '<i class="fas fa-sync-alt"></i><span>刷新全部</span>';
+    isRefreshing = false;
+}
+
+async function refreshSingleSymbol(symbol, btnElement = null) {
+    // 优先使用传入的按钮元素，其次尝试从事件获取，最后使用详情页按钮
+    let btn = btnElement;
+    if (!btn) {
+        try {
+            const evt = event;
+            if (evt && evt.target) {
+                const cardBtn = evt.target.closest('.card-refresh-btn');
+                if (cardBtn) {
+                    btn = cardBtn;
+                }
+            }
+        } catch (e) {
+            // event 不存在时忽略
+        }
+    }
+    if (!btn) {
+        btn = document.getElementById('refresh-symbol-btn');
+    }
+    
+    if (!btn) {
+        showToast('error', '刷新失败', '无法找到刷新按钮');
+        return;
+    }
+    
+    const originalContent = btn.innerHTML;
+    btn.disabled = true;
+    btn.innerHTML = '<i class="fas fa-spinner fa-spin"></i>';
+    
+    showToast('info', '检查数据', `正在检查 ${symbol} 数据新鲜度...`);
+    
+    try {
+        const response = await fetch(`${API_BASE}/refresh/${symbol}`, { method: 'POST' });
+        const data = await response.json();
+        
+        if (data.success) {
+            if (data.refreshed) {
+                btn.innerHTML = '<i class="fas fa-check"></i>';
+                
+                await loadFuturesDetail(symbol);
+                await loadKlineData(symbol, currentPeriod);
+                await loadFuturesList();
+                
+                showToast('success', '数据已更新', `${symbol} 最新数据已同步`);
+            } else {
+                btn.innerHTML = '<i class="fas fa-check"></i>';
+                showToast('success', '数据新鲜', `${symbol} 数据仍在有效期内，无需刷新`);
+            }
+            
+            setTimeout(() => {
+                btn.disabled = false;
+                btn.innerHTML = originalContent;
+            }, 1000);
+        } else {
+            showToast('error', '刷新失败', data.message || '请稍后重试');
+            btn.disabled = false;
+            btn.innerHTML = originalContent;
+        }
+    } catch (error) {
+        console.error('刷新失败:', error);
+        showToast('error', '刷新失败', '网络错误，请稍后重试');
+        btn.disabled = false;
+        btn.innerHTML = originalContent;
+    }
+}
diff --git a/data/buffer.db b/data/buffer.db
index b562d48..76db0f3 100644
Binary files a/data/buffer.db and b/data/buffer.db differ