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diff --git a/backend/main.py b/backend/main.py
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+++ b/backend/main.py
@@ -0,0 +1,49 @@
+from contextlib import asynccontextmanager
+from fastapi import FastAPI
+from fastapi.staticfiles import StaticFiles
+from fastapi.middleware.cors import CORSMiddleware
+import os
+
+from backend.database import init_db
+from backend.routers import channels, notify, history
+
+@asynccontextmanager
+async def lifespan(app: FastAPI):
+    # Startup
+    await init_db()
+    yield
+    # Shutdown
+
+app = FastAPI(
+    title="Apprise Notify Center",
+    description="多通道通知中心 - 支持 80+ 种通知服务",
+    version="1.0.0",
+    lifespan=lifespan
+)
+
+# CORS
+app.add_middleware(
+    CORSMiddleware,
+    allow_origins=["*"],
+    allow_credentials=True,
+    allow_methods=["*"],
+    allow_headers=["*"],
+)
+
+# 注册路由
+app.include_router(channels.router)
+app.include_router(notify.router)
+app.include_router(history.router)
+
+# 静态文件（前端）
+frontend_path = os.path.join(os.path.dirname(__file__), "..", "frontend")
+if os.path.exists(frontend_path):
+    app.mount("/", StaticFiles(directory=frontend_path, html=True), name="frontend")
+
+@app.get("/api/health")
+async def health_check():
+    return {"status": "ok"}
+
+if __name__ == "__main__":
+    import uvicorn
+    uvicorn.run("backend.main:app", host="0.0.0.0", port=8000, reload=True)
diff --git a/backend/routers/__init__.py b/backend/routers/__init__.py
new file mode 100644
index 0000000..9c8ddfa
--- /dev/null
+++ b/backend/routers/__init__.py
@@ -0,0 +1 @@
+# routers package
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diff --git a/backend/routers/__pycache__/notify.cpython-310.pyc b/backend/routers/__pycache__/notify.cpython-310.pyc
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diff --git a/backend/routers/channels.py b/backend/routers/channels.py
new file mode 100644
index 0000000..1ba7f6d
--- /dev/null
+++ b/backend/routers/channels.py
@@ -0,0 +1,82 @@
+from typing import List
+from fastapi import APIRouter, Depends, HTTPException
+from sqlalchemy.ext.asyncio import AsyncSession
+from backend.database import get_db
+from backend import crud
+from backend.schemas import Channel, ChannelCreate, ChannelUpdate, ChannelList
+
+router = APIRouter(prefix="/api/channels", tags=["channels"])
+
+@router.get("", response_model=ChannelList)
+async def list_channels(
+    skip: int = 0,
+    limit: int = 100,
+    db: AsyncSession = Depends(get_db)
+):
+    """获取所有通道列表"""
+    channels = await crud.get_channels(db, skip=skip, limit=limit)
+    total = len(channels)
+    return {"channels": channels, "total": total}
+
+@router.get("/{channel_id}", response_model=Channel)
+async def get_channel(channel_id: int, db: AsyncSession = Depends(get_db)):
+    """获取单个通道详情"""
+    channel = await crud.get_channel(db, channel_id)
+    if not channel:
+        raise HTTPException(status_code=404, detail="Channel not found")
+    return channel
+
+@router.post("", response_model=Channel, status_code=201)
+async def create_channel(
+    channel: ChannelCreate,
+    db: AsyncSession = Depends(get_db)
+):
+    """创建新通道"""
+    existing = await crud.get_channel_by_name(db, channel.name)
+    if existing:
+        raise HTTPException(status_code=400, detail="Channel name already exists")
+    
+    return await crud.create_channel(db, channel.model_dump())
+
+@router.put("/{channel_id}", response_model=Channel)
+async def update_channel(
+    channel_id: int,
+    channel: ChannelUpdate,
+    db: AsyncSession = Depends(get_db)
+):
+    """更新通道"""
+    if channel.name:
+        existing = await crud.get_channel_by_name(db, channel.name)
+        if existing and existing.id != channel_id:
+            raise HTTPException(status_code=400, detail="Channel name already exists")
+    
+    updated = await crud.update_channel(db, channel_id, channel.model_dump(exclude_unset=True))
+    if not updated:
+        raise HTTPException(status_code=404, detail="Channel not found")
+    return updated
+
+@router.delete("/{channel_id}")
+async def delete_channel(channel_id: int, db: AsyncSession = Depends(get_db)):
+    """删除通道"""
+    success = await crud.delete_channel(db, channel_id)
+    if not success:
+        raise HTTPException(status_code=404, detail="Channel not found")
+    return {"message": "Channel deleted successfully"}
+
+@router.post("/{channel_id}/test")
+async def test_channel(channel_id: int, db: AsyncSession = Depends(get_db)):
+    """测试通道配置"""
+    from backend.notify_service import NotifyService
+    
+    service = NotifyService()
+    result = await service.send_notification(
+        db, channel_id, "测试通知", "这是一条测试消息", "normal"
+    )
+    
+    if result["status"] == "sent":
+        return {"success": True, "message": "Test notification sent successfully"}
+    else:
+        raise HTTPException(
+            status_code=400, 
+            detail=f"Test failed: {result.get('error_msg', 'Unknown error')}"
+        )
diff --git a/backend/routers/history.py b/backend/routers/history.py
new file mode 100644
index 0000000..2dc9d49
--- /dev/null
+++ b/backend/routers/history.py
@@ -0,0 +1,41 @@
+from typing import Optional
+from fastapi import APIRouter, Depends, Query
+from sqlalchemy.ext.asyncio import AsyncSession
+from backend.database import get_db
+from backend import crud
+from backend.schemas import Notification
+
+router = APIRouter(prefix="/api/notifications", tags=["history"])
+
+@router.get("")
+async def list_notifications(
+    skip: int = Query(0, ge=0),
+    limit: int = Query(100, ge=1, le=1000),
+    channel_id: Optional[int] = None,
+    status: Optional[str] = Query(None, enum=["pending", "sent", "failed"]),
+    db: AsyncSession = Depends(get_db)
+):
+    """获取通知历史记录"""
+    notifications = await crud.get_notifications(db, skip, limit, channel_id, status)
+    return {
+        "notifications": notifications,
+        "skip": skip,
+        "limit": limit
+    }
+
+@router.get("/{notification_id}")
+async def get_notification(notification_id: int, db: AsyncSession = Depends(get_db)):
+    """获取单条通知详情"""
+    from sqlalchemy import select
+    from backend.models import Notification
+    
+    result = await db.execute(
+        select(Notification).where(Notification.id == notification_id)
+    )
+    notification = result.scalar_one_or_none()
+    
+    if not notification:
+        from fastapi import HTTPException
+        raise HTTPException(status_code=404, detail="Notification not found")
+    
+    return notification
diff --git a/backend/routers/notify.py b/backend/routers/notify.py
new file mode 100644
index 0000000..742ca61
--- /dev/null
+++ b/backend/routers/notify.py
@@ -0,0 +1,82 @@
+from typing import Optional, List
+from fastapi import APIRouter, Depends, Query, HTTPException
+from sqlalchemy.ext.asyncio import AsyncSession
+from backend.database import get_db
+from backend.schemas import NotifyRequest, NotifyResponse
+from backend.notify_service import NotifyService
+
+router = APIRouter(prefix="/api", tags=["notify"])
+
+@router.post("/notify", response_model=NotifyResponse)
+async def send_notification(
+    request: NotifyRequest,
+    db: AsyncSession = Depends(get_db)
+):
+    """发送通知到指定通道或按标签发送"""
+    if not request.channels and not request.tags:
+        raise HTTPException(
+            status_code=400, 
+            detail="Either 'channels' or 'tags' must be provided"
+        )
+    
+    service = NotifyService()
+    results = await service.send_to_channels(
+        db,
+        request.channels,
+        request.tags,
+        request.title,
+        request.body,
+        request.priority
+    )
+    
+    total = len(results)
+    sent = sum(1 for r in results if r["status"] == "sent")
+    failed = sum(1 for r in results if r["status"] == "failed")
+    
+    return {
+        "success": sent == total,
+        "results": results,
+        "total": total,
+        "sent": sent,
+        "failed": failed
+    }
+
+@router.get("/notify")
+async def send_notification_get(
+    channels: Optional[str] = Query(None, description="通道名称，多个用逗号分隔"),
+    tags: Optional[str] = Query(None, description="标签，多个用逗号分隔"),
+    title: Optional[str] = Query(None),
+    body: str = Query(..., description="消息内容"),
+    priority: str = Query("normal"),
+    db: AsyncSession = Depends(get_db)
+):
+    """通过 GET 请求发送通知（方便脚本调用）"""
+    channel_list = channels.split(",") if channels else None
+    tag_list = tags.split(",") if tags else None
+    
+    if not channel_list and not tag_list:
+        raise HTTPException(
+            status_code=400,
+            detail="Either 'channels' or 'tags' must be provided"
+        )
+    
+    service = NotifyService()
+    results = await service.send_to_channels(
+        db,
+        channel_list,
+        tag_list,
+        title,
+        body,
+        priority
+    )
+    
+    total = len(results)
+    sent = sum(1 for r in results if r["status"] == "sent")
+    
+    return {
+        "success": sent == total,
+        "results": results,
+        "total": total,
+        "sent": sent,
+        "failed": total - sent
+    }