diff --git a/app/__pycache__/models.cpython-311.pyc b/app/__pycache__/models.cpython-311.pyc
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diff --git a/app/__pycache__/schemas.cpython-311.pyc b/app/__pycache__/schemas.cpython-311.pyc
index c8267b2..7cafdde 100644
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diff --git a/app/api/__pycache__/tasks.cpython-311.pyc b/app/api/__pycache__/tasks.cpython-311.pyc
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diff --git a/app/api/tasks.py b/app/api/tasks.py
index 4c816be..72be69c 100644
--- a/app/api/tasks.py
+++ b/app/api/tasks.py
@@ -2,11 +2,13 @@
 定时任务接口 - 创建/启动/停止/删除/列表
 """
 import logging
+from typing import Optional
 
 from fastapi import APIRouter, Depends, HTTPException
 from sqlalchemy.orm import Session
 
 from app.database import get_db
+from app.models import ScheduledTask
 from app.schemas import (
     CreateTaskRequest,
     TaskInfo,
@@ -35,18 +37,23 @@ router = APIRouter(prefix="/tasks", tags=["定时任务"])
 def create_new_task(req: CreateTaskRequest, db: Session = Depends(get_db)):
     """
     创建并启动一个定时采集任务。
-    输入品种合约和轮询时长，自动开始定时获取数据。
+    输入品种合约和轮询时长,自动开始定时获取数据。
     """
+    # 将periods数组转为逗号分隔的字符串
+    periods_str = ",".join(req.periods) if isinstance(req.periods, list) else req.periods
+    
     task = create_task(
         db=db,
         symbol=req.symbol,
         data_type=req.data_type,
-        periods=req.periods,
+        periods=periods_str,
         interval_seconds=req.interval_seconds,
+        task_type=req.task_type,
+        run_time=req.run_time,
     )
 
     # 注册到调度器
-    job_id = add_job(task.id, task.interval_seconds)
+    job_id = add_job(task.id, task.interval_seconds, task.task_type, task.run_time)
     task.job_id = job_id
     db.commit()
     db.refresh(task)
@@ -56,30 +63,63 @@ def create_new_task(req: CreateTaskRequest, db: Session = Depends(get_db)):
 
 @router.get("", response_model=TaskListResponse)
 def list_all_tasks(db: Session = Depends(get_db)):
-    """列出所有定时任务"""
-    tasks = list_tasks(db)
+    """列出所有定时任务(未完成的)"""
+    tasks = db.query(ScheduledTask).filter(
+        ScheduledTask.is_finished == False
+    ).order_by(ScheduledTask.created_at.desc()).all()
     job_status = get_all_jobs()
 
     task_infos = []
     for t in tasks:
-        running = is_job_running(t.id) if t.enabled else False
-        task_infos.append(TaskInfo(
-            id=t.id,
-            symbol=t.symbol,
-            data_type=t.data_type,
-            periods=t.periods.split(",") if t.periods else [],
-            interval_seconds=t.interval_seconds,
-            enabled=t.enabled,
-            running=running,
-            last_run=t.last_run.isoformat() if t.last_run else None,
-            last_status=t.last_status,
-            created_at=t.created_at.isoformat(),
-            updated_at=t.updated_at.isoformat(),
-        ))
+        job_id = f"task_{t.id}"
+        job_info = job_status.get(job_id)
+        
+        task_infos.append(_to_task_info(t, job_info))
 
     return TaskListResponse(tasks=task_infos, total=len(task_infos))
 
 
+@router.get("/history", response_model=TaskListResponse)
+def list_finished_tasks(db: Session = Depends(get_db)):
+    """列出已完成的历史任务"""
+    tasks = db.query(ScheduledTask).filter(
+        ScheduledTask.is_finished == True
+    ).order_by(ScheduledTask.updated_at.desc()).all()
+
+    task_infos = []
+    for t in tasks:
+        task_infos.append(_to_task_info(t, None))
+
+    return TaskListResponse(tasks=task_infos, total=len(task_infos))
+
+
+@router.post("/{task_id}/rerun", response_model=TaskInfo)
+def rerun_task(task_id: int, db: Session = Depends(get_db)):
+    """重新执行已完成的任务"""
+    task = get_task(db, task_id)
+    if not task:
+        raise HTTPException(status_code=404, detail=f"任务 {task_id} 不存在")
+    
+    if not task.is_finished:
+        raise HTTPException(status_code=400, detail=f"任务 {task_id} 尚未完成，无法重新执行")
+
+    # 重置任务状态
+    task.is_finished = False
+    task.enabled = True
+    task.last_run = None
+    task.last_status = None
+    db.commit()
+    db.refresh(task)
+
+    # 重新注册到调度器
+    job_id = add_job(task.id, task.interval_seconds, task.task_type, task.run_time)
+    task.job_id = job_id
+    db.commit()
+    db.refresh(task)
+
+    return _to_task_info(task)
+
+
 @router.post("/{task_id}/stop", response_model=TaskInfo)
 def stop_task(task_id: int, db: Session = Depends(get_db)):
     """停止定时任务（从调度器移除，但保留配置）"""
@@ -101,7 +141,7 @@ def start_task(task_id: int, db: Session = Depends(get_db)):
         raise HTTPException(status_code=404, detail=f"任务 {task_id} 不存在")
 
     enable_task(db, task_id)
-    add_job(task.id, task.interval_seconds)
+    add_job(task.id, task.interval_seconds, task.task_type, task.run_time)
     db.refresh(task)
 
     return _to_task_info(task)
@@ -139,23 +179,29 @@ def update_interval(
     # 如果任务正在运行，更新调度器
     if task.enabled and is_job_running(task_id):
         remove_job(task_id)
-        add_job(task.id, task.interval_seconds)
+        add_job(task.id, task.interval_seconds, task.task_type, task.run_time)
 
     return _to_task_info(task)
 
 
-def _to_task_info(task) -> TaskInfo:
+def _to_task_info(task, job_info: Optional[dict] = None) -> TaskInfo:
     """ORM -> Pydantic"""
+    next_run = None
+    if job_info and job_info.get("next_run_time"):
+        next_run = job_info["next_run_time"]
+    
     return TaskInfo(
         id=task.id,
         symbol=task.symbol,
         data_type=task.data_type,
         periods=task.periods.split(",") if task.periods else [],
         interval_seconds=task.interval_seconds,
+        task_type=task.task_type if hasattr(task, 'task_type') else 'interval',
         enabled=task.enabled,
         running=is_job_running(task.id),
         last_run=task.last_run.isoformat() if task.last_run else None,
         last_status=task.last_status,
+        next_run=next_run,
         created_at=task.created_at.isoformat(),
         updated_at=task.updated_at.isoformat(),
     )
diff --git a/app/models.py b/app/models.py
index 1e0fa98..d3a9a0b 100644
--- a/app/models.py
+++ b/app/models.py
@@ -37,7 +37,10 @@ class ScheduledTask(Base):
     data_type = Column(String(16), nullable=False, default="futures", comment="数据类型")
     periods = Column(String(256), nullable=False, comment="周期列表(逗号分隔), 如 5min,15min,60min")
     interval_seconds = Column(Integer, nullable=False, default=300, comment="轮询间隔(秒)")
+    task_type = Column(String(16), nullable=False, default="interval", comment="任务类型: interval, daily, once")
+    run_time = Column(String(8), nullable=True, comment="执行时间，格式 HH:MM")
     enabled = Column(Boolean, nullable=False, default=True, comment="是否启用")
+    is_finished = Column(Boolean, nullable=False, default=False, comment="是否已完成(仅一次任务执行完成后为True)")
     job_id = Column(String(64), nullable=True, unique=True, comment="APScheduler job_id")
     last_run = Column(DateTime, nullable=True, comment="最后执行时间")
     last_status = Column(String(16), nullable=True, comment="最后状态: success/failed")
diff --git a/app/schemas.py b/app/schemas.py
index 6545c4b..a868980 100644
--- a/app/schemas.py
+++ b/app/schemas.py
@@ -70,9 +70,9 @@ class CreateTaskRequest(BaseModel):
     """创建定时任务请求"""
     symbol: str = Field(..., description="品种合约代码")
     data_type: str = Field(default="futures", description="数据类型")
-    periods: List[str] = Field(
-        default=["5min", "15min", "30min", "60min", "daily"],
-        description="需要定时获取的周期"
+    periods: str = Field(
+        default="5min,15min,30min,60min,daily",
+        description="需要定时获取的周期，逗号分隔"
     )
     interval_seconds: int = Field(
         default=300,
@@ -80,6 +80,8 @@ class CreateTaskRequest(BaseModel):
         le=86400,
         description="轮询间隔（秒），范围 30~86400"
     )
+    task_type: str = Field(default="interval", description="任务类型: interval, daily, once")
+    run_time: Optional[str] = Field(default=None, description="执行时间，格式 HH:MM")
 
 
 class TaskInfo(BaseModel):
@@ -89,10 +91,12 @@ class TaskInfo(BaseModel):
     data_type: str
     periods: List[str]
     interval_seconds: int
+    task_type: str = Field(default="interval", description="任务类型: interval, daily, once")
     enabled: bool
     running: bool = Field(description="当前是否正在运行")
     last_run: Optional[str] = None
     last_status: Optional[str] = None
+    next_run: Optional[str] = Field(default=None, description="下次执行时间")
     created_at: str
     updated_at: str
 
diff --git a/app/services/__pycache__/cache.cpython-311.pyc b/app/services/__pycache__/cache.cpython-311.pyc
index 4c85702..8c19002 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/__pycache__/scheduler.cpython-311.pyc b/app/services/__pycache__/scheduler.cpython-311.pyc
index 0bb9be2..5e1f5a2 100644
Binary files a/app/services/__pycache__/scheduler.cpython-311.pyc and b/app/services/__pycache__/scheduler.cpython-311.pyc differ
diff --git a/app/services/cache.py b/app/services/cache.py
index de9eea8..423a4c0 100644
--- a/app/services/cache.py
+++ b/app/services/cache.py
@@ -177,16 +177,20 @@ def create_task(
     db: Session,
     symbol: str,
     data_type: str,
-    periods: List[str],
+    periods: str,
     interval_seconds: int,
+    task_type: str = "interval",
+    run_time: Optional[str] = None,
 ) -> ScheduledTask:
     """创建定时任务配置"""
     existing = db.query(ScheduledTask).filter_by(
         symbol=symbol, data_type=data_type
     ).first()
     if existing:
-        existing.periods = ",".join(periods)
+        existing.periods = periods
         existing.interval_seconds = interval_seconds
+        existing.task_type = task_type
+        existing.run_time = run_time
         existing.enabled = True
         existing.updated_at = datetime.now()
         db.commit()
@@ -196,8 +200,10 @@ def create_task(
     task = ScheduledTask(
         symbol=symbol,
         data_type=data_type,
-        periods=",".join(periods),
+        periods=periods,
         interval_seconds=interval_seconds,
+        task_type=task_type,
+        run_time=run_time,
         enabled=True,
     )
     db.add(task)
diff --git a/app/services/scheduler.py b/app/services/scheduler.py
index a451834..a385ee5 100644
--- a/app/services/scheduler.py
+++ b/app/services/scheduler.py
@@ -2,11 +2,14 @@
 调度服务 - APScheduler 管理定时采集任务
 """
 import logging
-from datetime import datetime
+import re
+from datetime import datetime, timedelta
 from typing import Dict, Optional
 
 from apscheduler.schedulers.background import BackgroundScheduler
 from apscheduler.triggers.interval import IntervalTrigger
+from apscheduler.triggers.cron import CronTrigger
+from apscheduler.triggers.date import DateTrigger
 from apscheduler.executors.pool import ThreadPoolExecutor
 from sqlalchemy.orm import Session
 
@@ -54,6 +57,14 @@ def job_handler(task_id: int):
             save_market_data(db, task.symbol, result)
             update_task_status(db, task_id, "success")
             logger.info(f"[定时任务] {task.symbol} 采集成功")
+            
+            # 如果是一次性任务，标记为已完成并从调度器移除
+            if task.task_type == "once":
+                task.is_finished = True
+                task.enabled = False
+                db.commit()
+                remove_job(task_id)
+                logger.info(f"[定时任务] {task.symbol} 一次性任务已完成")
         else:
             update_task_status(db, task_id, "failed")
             logger.error(f"[定时任务] {task.symbol} 采集失败: {result.get('error')}")
@@ -82,10 +93,16 @@ def stop_scheduler():
         logger.info("调度器已停止")
 
 
-def add_job(task_id: int, interval_seconds: int) -> str:
+def add_job(task_id: int, interval_seconds: int, task_type: str = "interval", run_time: Optional[str] = None) -> str:
     """
     添加定时任务到调度器。
 
+    Args:
+        task_id: 任务ID
+        interval_seconds: 间隔秒数
+        task_type: 任务类型 (interval, daily, once)
+        run_time: 执行时间，格式 HH:MM (用于daily和once类型)
+
     Returns:
         job_id
     """
@@ -95,15 +112,50 @@ def add_job(task_id: int, interval_seconds: int) -> str:
     if scheduler.get_job(job_id):
         scheduler.remove_job(job_id)
 
+    # 根据任务类型选择trigger
+    try:
+        if task_type == "daily" and run_time:
+            # 每天定时执行 - 验证run_time格式
+            if not re.match(r'^\d{2}:\d{2}$', run_time):
+                raise ValueError(f"run_time格式错误: {run_time}, 应为 HH:MM")
+            
+            hour, minute = map(int, run_time.split(":"))
+            if not (0 <= hour <= 23 and 0 <= minute <= 59):
+                raise ValueError(f"run_time值无效: {run_time}, 小时应为0-23, 分钟应为0-59")
+            
+            trigger = CronTrigger(hour=hour, minute=minute, timezone="Asia/Shanghai")
+            
+        elif task_type == "once" and run_time:
+            # 仅执行一次 - 验证run_time格式
+            if not re.match(r'^\d{2}:\d{2}$', run_time):
+                raise ValueError(f"run_time格式错误: {run_time}, 应为 HH:MM")
+            
+            hour, minute = map(int, run_time.split(":"))
+            if not (0 <= hour <= 23 and 0 <= minute <= 59):
+                raise ValueError(f"run_time值无效: {run_time}, 小时应为0-23, 分钟应为0-59")
+            
+            now = datetime.now()
+            run_dt = now.replace(hour=hour, minute=minute, second=0, microsecond=0)
+            if run_dt <= now:
+                # 如果时间已过，设置为明天（使用timedelta避免月末日期计算错误）
+                run_dt = run_dt + timedelta(days=1)
+            trigger = DateTrigger(run_date=run_dt, timezone="Asia/Shanghai")
+        else:
+            # 默认：间隔执行
+            trigger = IntervalTrigger(seconds=interval_seconds)
+    except ValueError as e:
+        logger.error(f"任务 {task_id} 时间配置错误: {e}, 使用默认间隔触发器")
+        trigger = IntervalTrigger(seconds=interval_seconds)
+
     scheduler.add_job(
         func=job_handler,
-        trigger=IntervalTrigger(seconds=interval_seconds),
+        trigger=trigger,
         args=[task_id],
         id=job_id,
         name=f"auto_collect_{task_id}",
         replace_existing=True,
     )
-    logger.info(f"已添加定时任务: job_id={job_id}, interval={interval_seconds}s")
+    logger.info(f"已添加定时任务: job_id={job_id}, type={task_type}, trigger={trigger}")
     return job_id
 
 
diff --git a/app/static/index.html b/app/static/index.html
index e66d5ba..db74328 100644
--- a/app/static/index.html
+++ b/app/static/index.html
@@ -924,29 +924,16 @@
                 <div class="card">
                     <div class="card-header">
                         <div>
-                            <div class="card-title">批量创建定时任务</div>
-                            <div class="card-subtitle">为配置中的所有品种自动创建定时采集任务</div>
+                            <div class="card-title">定时任务管理</div>
+                            <div class="card-subtitle">创建、管理和监控定时数据采集任务</div>
                         </div>
-                    </div>
-                    <div class="form-row">
-                        <div class="form-group">
-                            <label class="form-label">数据类型</label>
-                            <select class="form-select" id="taskDataType">
-                                <option value="futures">期货</option>
-                                <option value="stock">股票</option>
-                            </select>
-                        </div>
-                        <div class="form-group">
-                            <label class="form-label">采集周期</label>
-                            <input class="form-input" id="taskPeriods" value="5min,15min,60min">
-                        </div>
-                        <div class="form-group">
-                            <label class="form-label">轮询间隔（秒）</label>
-                            <input class="form-input" type="number" id="taskInterval" value="300" min="30" max="86400">
-                        </div>
-                        <div class="form-group">
-                            <button class="btn btn-warning" id="btnBatchTasks" onclick="batchCreateTasks()" style="height: 42px;">
-                                <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><circle cx="12" cy="12" r="10"/><polyline points="12 6 12 12 16 14"/></svg>
+                        <div style="display: flex; gap: 12px;">
+                            <button class="btn btn-outline" onclick="showHistoryTasks()">
+                                <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" style="width:16px;height:16px"><circle cx="12" cy="12" r="10"/><polyline points="12 6 12 12 16 14"/></svg>
+                                历史任务
+                            </button>
+                            <button class="btn btn-warning" onclick="openCreateTaskModal()">
+                                <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" style="width:16px;height:16px"><line x1="12" y1="5" x2="12" y2="19"/><line x1="5" y1="12" x2="19" y2="12"/></svg>
                                 批量创建任务
                             </button>
                         </div>
@@ -956,15 +943,53 @@
                 <div class="card">
                     <div class="card-header">
                         <div class="card-title">任务列表</div>
-                        <button class="btn btn-outline btn-sm" onclick="loadTasks()">
+                        <div style="display: flex; gap: 12px;">
+                            <button class="btn btn-danger btn-sm" onclick="batchDeleteTasks()" id="btnBatchDeleteTasks" style="display: none;">
+                                <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" style="width:14px;height:14px"><polyline points="3 6 5 6 21 6"/><path d="M19 6v14a2 2 0 0 1-2 2H7a2 2 0 0 1-2-2V6m3 0V4a2 2 0 0 1 2-2h4a2 2 0 0 1 2 2v2"/></svg>
+                                批量删除
+                            </button>
+                            <button class="btn btn-outline btn-sm" onclick="loadTasks()">
+                                <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><polyline points="23 4 23 10 17 10"/><path d="M20.49 15a9 9 0 1 1-2.12-9.36L23 10"/></svg>
+                                刷新
+                            </button>
+                        </div>
+                    </div>
+                    <div class="table-container" id="taskTable">
+                        <div class="empty-state">
+                            <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><circle cx="12" cy="12" r="10"/><polyline points="12 6 12 12 16 14"/></svg>
+                            <p>暂无定时任务</p>
+                        </div>
+                    </div>
+                </div>
+            </div>
+
+            <!-- History Tasks -->
+            <div class="page" id="page-history-tasks" style="display: none;">
+                <div class="card">
+                    <div class="card-header">
+                        <div>
+                            <div class="card-title">历史任务</div>
+                            <div class="card-subtitle">查看已完成的任务记录</div>
+                        </div>
+                        <button class="btn btn-outline" onclick="showActiveTasks()">
+                            <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" style="width:16px;height:16px"><path d="M3 12h18M3 6h18M3 18h18"/></svg>
+                            返回任务列表
+                        </button>
+                    </div>
+                </div>
+
+                <div class="card">
+                    <div class="card-header">
+                        <div class="card-title">已完成任务列表</div>
+                        <button class="btn btn-outline btn-sm" onclick="loadHistoryTasks()">
                             <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><polyline points="23 4 23 10 17 10"/><path d="M20.49 15a9 9 0 1 1-2.12-9.36L23 10"/></svg>
                             刷新
                         </button>
                     </div>
-                    <div class="table-container" id="taskTable">
+                    <div class="table-container" id="historyTaskTable">
                         <div class="empty-state">
                             <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><circle cx="12" cy="12" r="10"/><polyline points="12 6 12 12 16 14"/></svg>
-                            <p>暂无定时任务</p>
+                            <p>暂无历史任务</p>
                         </div>
                     </div>
                 </div>
@@ -1047,6 +1072,150 @@
         </div>
     </div>
 
+    <!-- Create Task Modal -->
+    <div class="modal-overlay" id="createTaskModal">
+        <div class="modal">
+            <div class="modal-header">
+                <div class="modal-title">批量创建定时任务</div>
+                <button class="modal-close" onclick="closeCreateTaskModal()">
+                    <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" style="width: 24px; height: 24px;">
+                        <line x1="18" y1="6" x2="6" y2="18"/><line x1="6" y1="6" x2="18" y2="18"/>
+                    </svg>
+                </button>
+            </div>
+            <div class="modal-body">
+                <div class="form-group">
+                    <label class="form-label">数据类型</label>
+                    <select class="form-select" id="taskDataType">
+                        <option value="futures">期货</option>
+                        <option value="stock">股票</option>
+                    </select>
+                </div>
+                
+                <div style="margin-bottom: 16px;">
+                    <div style="position: relative; margin-bottom: 12px;">
+                        <input class="form-input" id="taskSymbolSearch" placeholder="搜索合约..." style="width: 100%; padding-left: 36px;" oninput="filterTaskSymbols(this.value)">
+                        <svg style="position: absolute; left: 10px; top: 50%; transform: translateY(-50%); width: 16px; height: 16px; color: var(--gray-400);" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><circle cx="11" cy="11" r="8"/><line x1="21" y1="21" x2="16.65" y2="16.65"/></svg>
+                    </div>
+                    <label style="display: flex; align-items: center; cursor: pointer; margin-bottom: 12px;">
+                        <input type="checkbox" id="taskSelectAll" onchange="toggleTaskSelectAll()" style="margin-right: 8px; width: 18px; height: 18px; cursor: pointer;">
+                        <span style="font-weight: 500;">全选</span>
+                    </label>
+                    <span id="taskSelectedCount" style="color: var(--gray-500); font-size: 14px;">已选择 0 个合约</span>
+                    <div class="symbol-select-list" id="taskSymbolList" style="max-height: 200px; margin-top: 12px;"></div>
+                </div>
+
+                <div class="form-group">
+                    <label class="form-label">采集周期</label>
+                    <input class="form-input" id="taskPeriods" value="5min,15min,60min" placeholder="如: 5min,15min,60min">
+                </div>
+
+                <div class="form-group">
+                    <label class="form-label">任务类型</label>
+                    <select class="form-select" id="taskType" onchange="onTaskTypeChange()">
+                        <option value="daily">每天定时执行</option>
+                        <option value="once">仅执行一次</option>
+                        <option value="interval" selected>指定周期循环</option>
+                    </select>
+                </div>
+
+                <div id="taskIntervalGroup" class="form-group">
+                    <label class="form-label">轮询间隔（秒）</label>
+                    <input class="form-input" type="number" id="taskInterval" value="300" min="30" max="86400">
+                </div>
+
+                <div id="taskTimeGroup" class="form-group" style="display: none;">
+                    <label class="form-label">执行时间</label>
+                    <input class="form-input" type="time" id="taskTime" value="09:00">
+                </div>
+            </div>
+            <div class="modal-footer">
+                <button class="btn btn-outline" onclick="closeCreateTaskModal()">取消</button>
+                <button class="btn btn-warning" onclick="confirmCreateTasks()">
+                    <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" style="width: 16px; height: 16px;"><circle cx="12" cy="12" r="10"/><polyline points="12 6 12 12 16 14"/></svg>
+                    创建任务
+                </button>
+            </div>
+        </div>
+    </div>
+
+    <!-- Task Detail Modal -->
+    <div class="modal-overlay" id="taskDetailModal">
+        <div class="modal">
+            <div class="modal-header">
+                <div class="modal-title">任务详情</div>
+                <button class="modal-close" onclick="closeTaskDetailModal()">
+                    <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" style="width: 24px; height: 24px;">
+                        <line x1="18" y1="6" x2="6" y2="18"/><line x1="6" y1="6" x2="18" y2="18"/>
+                    </svg>
+                </button>
+            </div>
+            <div class="modal-body" id="taskDetailContent"></div>
+            <div class="modal-footer">
+                <button class="btn btn-outline" onclick="closeTaskDetailModal()">关闭</button>
+                <button class="btn btn-primary" id="btnEditTask" onclick="">
+                    <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" style="width: 16px; height: 16px;"><path d="M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7"/><path d="M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z"/></svg>
+                    修改
+                </button>
+            </div>
+        </div>
+    </div>
+
+    <!-- Edit Task Modal -->
+    <div class="modal-overlay" id="editTaskModal">
+        <div class="modal">
+            <div class="modal-header">
+                <div class="modal-title">修改任务</div>
+                <button class="modal-close" onclick="closeEditTaskModal()">
+                    <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" style="width: 24px; height: 24px;">
+                        <line x1="18" y1="6" x2="6" y2="18"/><line x1="6" y1="6" x2="18" y2="18"/>
+                    </svg>
+                </button>
+            </div>
+            <div class="modal-body">
+                <input type="hidden" id="editTaskId">
+                <div class="form-group">
+                    <label class="form-label">品种代码</label>
+                    <input class="form-input" id="editTaskSymbol" readonly style="background: var(--gray-100);">
+                </div>
+                <div class="form-group">
+                    <label class="form-label">数据类型</label>
+                    <select class="form-select" id="editTaskDataType">
+                        <option value="futures">期货</option>
+                        <option value="stock">股票</option>
+                    </select>
+                </div>
+                <div class="form-group">
+                    <label class="form-label">采集周期</label>
+                    <input class="form-input" id="editTaskPeriods" placeholder="如: 5min,15min,60min">
+                </div>
+                <div class="form-group">
+                    <label class="form-label">任务类型</label>
+                    <select class="form-select" id="editTaskType" onchange="onEditTaskTypeChange()">
+                        <option value="daily">每天定时执行</option>
+                        <option value="once">仅执行一次</option>
+                        <option value="interval">指定周期循环</option>
+                    </select>
+                </div>
+                <div id="editTaskIntervalGroup" class="form-group">
+                    <label class="form-label">轮询间隔（秒）</label>
+                    <input class="form-input" type="number" id="editTaskInterval" value="300" min="30" max="86400">
+                </div>
+                <div id="editTaskTimeGroup" class="form-group" style="display: none;">
+                    <label class="form-label">执行时间</label>
+                    <input class="form-input" type="time" id="editTaskTime" value="09:00">
+                </div>
+            </div>
+            <div class="modal-footer">
+                <button class="btn btn-outline" onclick="closeEditTaskModal()">取消</button>
+                <button class="btn btn-primary" onclick="saveEditTask()">
+                    <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" style="width: 16px; height: 16px;"><path d="M19 21H5a2 2 0 0 1-2-2V5a2 2 0 0 1 2-2h11l5 5v11a2 2 0 0 1-2 2z"/><polyline points="17 21 17 13 7 13 7 21"/><polyline points="7 3 7 8 15 8"/></svg>
+                    保存
+                </button>
+            </div>
+        </div>
+    </div>
+
     <script src="https://cdn.jsdelivr.net/npm/echarts@5.4.3/dist/echarts.min.js"></script>
     <script>
         const API = '/api/v1';
@@ -1055,6 +1224,10 @@
         let currentSearchTerm = '';
         let selectedSymbolsForFetch = [];
         let modalSymbolsData = [];
+        let taskSymbolsData = [];
+        let selectedTaskSymbols = [];
+        let currentTaskId = null;
+        let allTasks = [];
 
         // Navigation
         function navigateTo(page) {
@@ -2005,6 +2178,481 @@
             loadTasks();
         }
 
+        // Task Management
+        function openCreateTaskModal() {
+            const dataType = document.getElementById('taskDataType').value;
+            taskSymbolsData = Object.entries(currentConfig[dataType] || {}).map(([name, code]) => ({ name, code }));
+            
+            renderTaskSymbols();
+            document.getElementById('taskSelectAll').checked = true;
+            updateTaskSelectedCount();
+            
+            document.getElementById('createTaskModal').classList.add('active');
+        }
+
+        function closeCreateTaskModal() {
+            document.getElementById('createTaskModal').classList.remove('active');
+        }
+
+        function renderTaskSymbols(filterText = '') {
+            const listContainer = document.getElementById('taskSymbolList');
+            const filterLower = filterText.toLowerCase();
+            
+            const filteredSymbols = filterText
+                ? taskSymbolsData.filter(s => 
+                    s.name.toLowerCase().includes(filterLower) || 
+                    s.code.toLowerCase().includes(filterLower)
+                  )
+                : taskSymbolsData;
+            
+            let html = '';
+            filteredSymbols.forEach(({ name, code }) => {
+                html += `
+                    <label class="symbol-select-item">
+                        <input type="checkbox" value="${code}" data-name="${name}" checked onchange="updateTaskSelectedCount()">
+                        <div class="symbol-select-info">
+                            <div class="symbol-select-name">${name}</div>
+                            <div class="symbol-select-code">${code}</div>
+                        </div>
+                    </label>
+                `;
+            });
+            
+            if (filteredSymbols.length === 0) {
+                html = `<div class="empty-state" style="padding: 20px;"><p>未找到匹配的合约</p></div>`;
+            }
+            
+            listContainer.innerHTML = html;
+            updateTaskSelectedCount();
+        }
+
+        function filterTaskSymbols(searchTerm) {
+            renderTaskSymbols(searchTerm.trim());
+        }
+
+        function toggleTaskSelectAll() {
+            const selectAll = document.getElementById('taskSelectAll').checked;
+            const checkboxes = document.querySelectorAll('#taskSymbolList input[type="checkbox"]');
+            checkboxes.forEach(cb => cb.checked = selectAll);
+            updateTaskSelectedCount();
+        }
+
+        function updateTaskSelectedCount() {
+            const checkboxes = document.querySelectorAll('#taskSymbolList input[type="checkbox"]:checked');
+            const count = checkboxes.length;
+            const total = document.querySelectorAll('#taskSymbolList input[type="checkbox"]').length;
+            document.getElementById('taskSelectedCount').textContent = `已选择 ${count}/${total} 个合约`;
+            
+            const selectAll = document.getElementById('taskSelectAll');
+            if (count === total) {
+                selectAll.checked = true;
+            } else if (count === 0) {
+                selectAll.checked = false;
+            } else {
+                selectAll.checked = false;
+            }
+        }
+
+        function onTaskTypeChange() {
+            const taskType = document.getElementById('taskType').value;
+            document.getElementById('taskIntervalGroup').style.display = taskType === 'interval' ? 'block' : 'none';
+            document.getElementById('taskTimeGroup').style.display = (taskType === 'daily' || taskType === 'once') ? 'block' : 'none';
+        }
+
+        async function confirmCreateTasks() {
+            const checkboxes = document.querySelectorAll('#taskSymbolList input[type="checkbox"]:checked');
+            
+            if (checkboxes.length === 0) {
+                showToast('请至少选择一个合约', 'error');
+                return;
+            }
+
+            const dataType = document.getElementById('taskDataType').value;
+            const periods = document.getElementById('taskPeriods').value;
+            const taskType = document.getElementById('taskType').value;
+            const interval = document.getElementById('taskInterval').value;
+            const time = document.getElementById('taskTime').value;
+
+            let intervalSeconds = parseInt(interval);
+            if (taskType === 'daily') {
+                intervalSeconds = 86400; // 24小时
+            }
+
+            const selectedSymbols = Array.from(checkboxes).map(cb => cb.value);
+
+            closeCreateTaskModal();
+
+            addLog(`批量创建定时任务: ${dataType}, ${selectedSymbols.length}个合约, 类型: ${taskType}`);
+
+            try {
+                let createdCount = 0;
+                for (const symbol of selectedSymbols) {
+                    const body = {
+                        symbol: symbol,
+                        data_type: dataType,
+                        periods: periods,
+                        interval_seconds: intervalSeconds,
+                        task_type: taskType
+                    };
+
+                    if (taskType === 'daily' || taskType === 'once') {
+                        body.run_time = time;
+                    }
+
+                    const res = await fetch(`${API}/tasks`, {
+                        method: 'POST',
+                        headers: { 'Content-Type': 'application/json' },
+                        body: JSON.stringify(body),
+                    });
+                    const data = await res.json();
+
+                    if (data.success) {
+                        createdCount++;
+                    }
+                }
+
+                showToast(`成功创建 ${createdCount} 个定时任务`, 'success');
+                loadTasks();
+            } catch (e) {
+                showToast(`创建任务失败: ${e.message}`, 'error');
+            }
+        }
+
+        async function loadTasks() {
+            try {
+                const res = await fetch(`${API}/tasks`);
+                const data = await res.json();
+                allTasks = data.tasks || [];
+
+                if (!allTasks.length) {
+                    document.getElementById('taskTable').innerHTML = '<div class="empty-state"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><circle cx="12" cy="12" r="10"/><polyline points="12 6 12 12 16 14"/></svg><p>暂无定时任务</p></div>';
+                    document.getElementById('btnBatchDeleteTasks').style.display = 'none';
+                    return;
+                }
+
+                let html = `
+                    <div style="margin-bottom: 12px; display: flex; align-items: center; gap: 12px;">
+                        <label style="display: flex; align-items: center; cursor: pointer;">
+                            <input type="checkbox" id="selectAllTasks" onchange="toggleSelectAllTasks()" style="margin-right: 8px; width: 18px; height: 18px; cursor: pointer;">
+                            <span style="font-weight: 500;">全选</span>
+                        </label>
+                        <span id="taskSelectedTaskCount" style="color: var(--gray-500); font-size: 14px;">已选择 0 个任务</span>
+                    </div>
+                    <table>
+                        <thead><tr><th><input type="checkbox" style="width: 18px; height: 18px; cursor: pointer;" onchange="toggleSelectAllTasks()"></th><th>ID</th><th>品种</th><th>周期</th><th>类型</th><th>状态</th><th>最后执行</th><th>下次执行</th><th>操作</th></tr></thead>
+                        <tbody>
+                `;
+
+                for (const t of allTasks) {
+                    const statusBadge = t.running
+                        ? '<span class="badge badge-success">运行中</span>'
+                        : t.enabled
+                            ? '<span class="badge badge-warning">已停止</span>'
+                            : '<span class="badge badge-gray">已禁用</span>';
+
+                    const taskTypeText = t.task_type === 'daily' ? '每天' : t.task_type === 'once' ? '一次' : '循环';
+                    const nextRunText = t.next_run ? new Date(t.next_run).toLocaleString() : '-';
+
+                    html += `<tr>
+                        <td><input type="checkbox" class="task-checkbox" value="${t.id}" onchange="updateSelectedTaskCount()" style="width: 18px; height: 18px; cursor: pointer;"></td>
+                        <td style="cursor: pointer; color: var(--primary);" onclick="showTaskDetail(${t.id})">${t.id}</td>
+                        <td><code style="color: var(--primary);">${t.symbol}</code></td>
+                        <td>${t.periods ? t.periods.join(', ') : '-'}</td>
+                        <td><span class="badge badge-gray">${taskTypeText}</span></td>
+                        <td>${statusBadge}</td>
+                        <td>${t.last_run ? new Date(t.last_run).toLocaleString() : '-'}</td>
+                        <td>${nextRunText}</td>
+                        <td>
+                            <button class="btn btn-primary btn-sm" onclick="showTaskDetail(${t.id})">详情</button>
+                            ${t.running
+                                ? `<button class="btn btn-warning btn-sm" onclick="stopTask(${t.id})">停止</button>`
+                                : `<button class="btn btn-success btn-sm" onclick="startTask(${t.id})">启动</button>`
+                            }
+                            <button class="btn btn-danger btn-sm" onclick="deleteTask(${t.id})">删除</button>
+                        </td>
+                    </tr>`;
+                }
+                html += '</tbody></table>';
+                document.getElementById('taskTable').innerHTML = html;
+                document.getElementById('btnBatchDeleteTasks').style.display = 'inline-flex';
+            } catch (e) {
+                addLog(`加载任务失败: ${e.message}`, 'error');
+            }
+        }
+
+        function toggleSelectAllTasks() {
+            const selectAll = document.getElementById('selectAllTasks').checked;
+            const checkboxes = document.querySelectorAll('.task-checkbox');
+            checkboxes.forEach(cb => cb.checked = selectAll);
+            updateSelectedTaskCount();
+        }
+
+        function updateSelectedTaskCount() {
+            const checkboxes = document.querySelectorAll('.task-checkbox:checked');
+            const count = checkboxes.length;
+            document.getElementById('taskSelectedTaskCount').textContent = `已选择 ${count} 个任务`;
+            document.getElementById('btnBatchDeleteTasks').disabled = count === 0;
+        }
+
+        async function batchDeleteTasks() {
+            const checkboxes = document.querySelectorAll('.task-checkbox:checked');
+            
+            if (checkboxes.length === 0) {
+                showToast('请至少选择一个任务', 'error');
+                return;
+            }
+
+            if (!confirm(`确定删除选中的 ${checkboxes.length} 个任务？`)) return;
+
+            const taskIds = Array.from(checkboxes).map(cb => cb.value);
+            let deletedCount = 0;
+
+            for (const id of taskIds) {
+                try {
+                    await fetch(`${API}/tasks/${id}`, { method: 'DELETE' });
+                    deletedCount++;
+                } catch (e) {
+                    console.error(`删除任务 ${id} 失败:`, e);
+                }
+            }
+
+            showToast(`成功删除 ${deletedCount} 个任务`, 'success');
+            loadTasks();
+        }
+
+        function showTaskDetail(id) {
+            const task = allTasks.find(t => t.id === id);
+            if (!task) return;
+
+            currentTaskId = id;
+
+            const taskTypeText = task.task_type === 'daily' ? '每天定时执行' : task.task_type === 'once' ? '仅执行一次' : '指定周期循环';
+            const statusText = task.running ? '运行中' : task.enabled ? '已停止' : '已禁用';
+
+            let html = `
+                <div style="display: grid; gap: 16px;">
+                    <div style="display: grid; grid-template-columns: 120px 1fr; gap: 12px;">
+                        <div style="color: var(--gray-500); font-weight: 500;">任务ID:</div>
+                        <div>${task.id}</div>
+                    </div>
+                    <div style="display: grid; grid-template-columns: 120px 1fr; gap: 12px;">
+                        <div style="color: var(--gray-500); font-weight: 500;">品种:</div>
+                        <div><code style="color: var(--primary);">${task.symbol}</code></div>
+                    </div>
+                    <div style="display: grid; grid-template-columns: 120px 1fr; gap: 12px;">
+                        <div style="color: var(--gray-500); font-weight: 500;">数据类型:</div>
+                        <div>${task.data_type === 'futures' ? '期货' : '股票'}</div>
+                    </div>
+                    <div style="display: grid; grid-template-columns: 120px 1fr; gap: 12px;">
+                        <div style="color: var(--gray-500); font-weight: 500;">采集周期:</div>
+                        <div>${task.periods ? task.periods.join(', ') : '-'}</div>
+                    </div>
+                    <div style="display: grid; grid-template-columns: 120px 1fr; gap: 12px;">
+                        <div style="color: var(--gray-500); font-weight: 500;">任务类型:</div>
+                        <div><span class="badge badge-info">${taskTypeText}</span></div>
+                    </div>
+                    <div style="display: grid; grid-template-columns: 120px 1fr; gap: 12px;">
+                        <div style="color: var(--gray-500); font-weight: 500;">轮询间隔:</div>
+                        <div>${task.interval_seconds}秒 (${Math.floor(task.interval_seconds / 60)}分钟)</div>
+                    </div>
+                    <div style="display: grid; grid-template-columns: 120px 1fr; gap: 12px;">
+                        <div style="color: var(--gray-500); font-weight: 500;">状态:</div>
+                        <div>${statusText}</div>
+                    </div>
+                    <div style="display: grid; grid-template-columns: 120px 1fr; gap: 12px;">
+                        <div style="color: var(--gray-500); font-weight: 500;">创建时间:</div>
+                        <div>${task.created_at ? new Date(task.created_at).toLocaleString() : '-'}</div>
+                    </div>
+                    <div style="display: grid; grid-template-columns: 120px 1fr; gap: 12px;">
+                        <div style="color: var(--gray-500); font-weight: 500;">最后执行:</div>
+                        <div>${task.last_run ? new Date(task.last_run).toLocaleString() : '尚未执行'}</div>
+                    </div>
+                    <div style="display: grid; grid-template-columns: 120px 1fr; gap: 12px;">
+                        <div style="color: var(--gray-500); font-weight: 500;">下次执行:</div>
+                        <div>${task.next_run ? new Date(task.next_run).toLocaleString() : '-'}</div>
+                    </div>
+                </div>
+            `;
+
+            document.getElementById('taskDetailContent').innerHTML = html;
+            document.getElementById('btnEditTask').setAttribute('onclick', `closeTaskDetailModal(); editTask(${id})`);
+            document.getElementById('taskDetailModal').classList.add('active');
+        }
+
+        function closeTaskDetailModal() {
+            document.getElementById('taskDetailModal').classList.remove('active');
+        }
+
+        function editTask(id) {
+            showToast('修改功能开发中...', 'info');
+        }
+
+        // History Tasks
+        function showHistoryTasks() {
+            document.getElementById('page-tasks').style.display = 'none';
+            document.getElementById('page-history-tasks').style.display = 'block';
+            loadHistoryTasks();
+        }
+
+        function showActiveTasks() {
+            document.getElementById('page-history-tasks').style.display = 'none';
+            document.getElementById('page-tasks').style.display = 'block';
+        }
+
+        async function loadHistoryTasks() {
+            try {
+                const res = await fetch(`${API}/tasks/history`);
+                const data = await res.json();
+                const historyTasks = data.tasks || [];
+
+                if (!historyTasks.length) {
+                    document.getElementById('historyTaskTable').innerHTML = '<div class="empty-state"><svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><circle cx="12" cy="12" r="10"/><polyline points="12 6 12 12 16 14"/></svg><p>暂无历史任务</p></div>';
+                    return;
+                }
+
+                let html = `<table>
+                    <thead><tr><th>ID</th><th>品种</th><th>周期</th><th>类型</th><th>状态</th><th>最后执行</th><th>完成时间</th><th>操作</th></tr></thead>
+                    <tbody>
+                `;
+
+                for (const t of historyTasks) {
+                    const statusBadge = t.last_status === 'success' 
+                        ? '<span class="badge badge-success">已完成</span>'
+                        : '<span class="badge badge-danger">失败</span>';
+
+                    const taskTypeText = t.task_type === 'daily' ? '每天' : t.task_type === 'once' ? '一次' : '循环';
+                    const finishedTime = t.updated_at ? new Date(t.updated_at).toLocaleString() : '-';
+
+                    html += `<tr>
+                        <td style="cursor: pointer; color: var(--primary);" onclick="showTaskDetail(${t.id})">${t.id}</td>
+                        <td><code style="color: var(--primary);">${t.symbol}</code></td>
+                        <td>${t.periods ? t.periods.join(', ') : '-'}</td>
+                        <td><span class="badge badge-gray">${taskTypeText}</span></td>
+                        <td>${statusBadge}</td>
+                        <td>${t.last_run ? new Date(t.last_run).toLocaleString() : '-'}</td>
+                        <td>${finishedTime}</td>
+                        <td>
+                            <button class="btn btn-success btn-sm" onclick="rerunTask(${t.id})">
+                                <svg viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" style="width:14px;height:14px"><polyline points="23 4 23 10 17 10"/><path d="M20.49 15a9 9 0 1 1-2.12-9.36L23 10"/></svg>
+                                重新执行
+                            </button>
+                            <button class="btn btn-primary btn-sm" onclick="openEditTaskModal(${t.id})">修改</button>
+                            <button class="btn btn-danger btn-sm" onclick="deleteTask(${t.id})">删除</button>
+                        </td>
+                    </tr>`;
+                }
+                html += '</tbody></table>';
+                document.getElementById('historyTaskTable').innerHTML = html;
+            } catch (e) {
+                addLog(`加载历史任务失败: ${e.message}`, 'error');
+            }
+        }
+
+        async function rerunTask(id) {
+            if (!confirm('确定重新执行此任务？')) return;
+
+            try {
+                const res = await fetch(`${API}/tasks/${id}/rerun`, { method: 'POST' });
+                const data = await res.json();
+
+                if (res.ok) {
+                    showToast('任务已重新开始执行', 'success');
+                    showActiveTasks();
+                    loadTasks();
+                } else {
+                    showToast(data.detail || '重新执行失败', 'error');
+                }
+            } catch (e) {
+                showToast(`重新执行失败: ${e.message}`, 'error');
+            }
+        }
+
+        // Edit Task
+        function openEditTaskModal(id) {
+            const task = allTasks.find(t => t.id === id);
+            if (!task) {
+                showToast('任务不存在', 'error');
+                return;
+            }
+
+            document.getElementById('editTaskId').value = id;
+            document.getElementById('editTaskSymbol').value = task.symbol;
+            document.getElementById('editTaskDataType').value = task.data_type;
+            document.getElementById('editTaskPeriods').value = task.periods ? task.periods.join(',') : '';
+            document.getElementById('editTaskType').value = task.task_type || 'interval';
+            document.getElementById('editTaskInterval').value = task.interval_seconds;
+            
+            // 如果有run_time则填充
+            if (task.run_time) {
+                document.getElementById('editTaskTime').value = task.run_time;
+            }
+
+            onEditTaskTypeChange();
+            document.getElementById('editTaskModal').classList.add('active');
+        }
+
+        function closeEditTaskModal() {
+            document.getElementById('editTaskModal').classList.remove('active');
+        }
+
+        function onEditTaskTypeChange() {
+            const taskType = document.getElementById('editTaskType').value;
+            document.getElementById('editTaskIntervalGroup').style.display = taskType === 'interval' ? 'block' : 'none';
+            document.getElementById('editTaskTimeGroup').style.display = (taskType === 'daily' || taskType === 'once') ? 'block' : 'none';
+        }
+
+        async function saveEditTask() {
+            const id = document.getElementById('editTaskId').value;
+            const dataType = document.getElementById('editTaskDataType').value;
+            const periods = document.getElementById('editTaskPeriods').value;
+            const taskType = document.getElementById('editTaskType').value;
+            const interval = document.getElementById('editTaskInterval').value;
+            const time = document.getElementById('editTaskTime').value;
+
+            let intervalSeconds = parseInt(interval);
+            if (taskType === 'daily') {
+                intervalSeconds = 86400;
+            }
+
+            const body = {
+                symbol: document.getElementById('editTaskSymbol').value,
+                data_type: dataType,
+                periods: periods,
+                interval_seconds: intervalSeconds,
+                task_type: taskType
+            };
+
+            if (taskType === 'daily' || taskType === 'once') {
+                body.run_time = time;
+            }
+
+            try {
+                // 先停止旧任务
+                await fetch(`${API}/tasks/${id}/stop`, { method: 'POST' });
+
+                // 删除旧任务
+                await fetch(`${API}/tasks/${id}`, { method: 'DELETE' });
+
+                // 创建新任务
+                const res = await fetch(`${API}/tasks`, {
+                    method: 'POST',
+                    headers: { 'Content-Type': 'application/json' },
+                    body: JSON.stringify(body),
+                });
+
+                if (res.ok) {
+                    showToast('任务修改成功', 'success');
+                    closeEditTaskModal();
+                    loadTasks();
+                } else {
+                    const data = await res.json();
+                    showToast(data.detail || '修改失败', 'error');
+                }
+            } catch (e) {
+                showToast(`修改失败: ${e.message}`, 'error');
+            }
+        }
+
         // Cache Status
         async function checkCacheStatus() {
             const symbol = document.getElementById('cacheSymbol').value.trim();
diff --git a/data/buffer.db b/data/buffer.db
index 896e99f..20cccf0 100644
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