diff --git a/backend/app/models/__init__.py b/backend/app/models/__init__.py
index 343c160..04b74c8 100644
--- a/backend/app/models/__init__.py
+++ b/backend/app/models/__init__.py
@@ -9,7 +9,7 @@ from .logs import PlatformLog
 from .alert import AlertRule, AlertRecord, NotificationChannel
 from .pricing import ModelPricing, TenantBilling
 from .scheduled_task import ScheduledTask, TaskLog, ScriptVar, Secret
-from .notification_channel import NotificationChannel
+from .notification_channel import TaskNotifyChannel
 
 __all__ = [
     "Tenant",
@@ -31,5 +31,5 @@ __all__ = [
     "TaskLog",
     "ScriptVar",
     "Secret",
-    "NotificationChannel"
+    "TaskNotifyChannel"
 ]
diff --git a/backend/app/models/notification_channel.py b/backend/app/models/notification_channel.py
index d4f8342..313eb6c 100644
--- a/backend/app/models/notification_channel.py
+++ b/backend/app/models/notification_channel.py
@@ -1,12 +1,12 @@
-"""通知渠道模型"""
+"""任务通知渠道模型"""
 from datetime import datetime
 from sqlalchemy import Column, Integer, String, Enum, Boolean, DateTime
 from ..database import Base
 
 
-class NotificationChannel(Base):
-    """通知渠道表"""
-    __tablename__ = "platform_notification_channels"
+class TaskNotifyChannel(Base):
+    """任务通知渠道表（用于定时任务推送）"""
+    __tablename__ = "platform_task_notify_channels"
     
     id = Column(Integer, primary_key=True, autoincrement=True)
     tenant_id = Column(String(50), nullable=False)
diff --git a/backend/app/routers/notification_channels.py b/backend/app/routers/notification_channels.py
index b8432cc..84932b9 100644
--- a/backend/app/routers/notification_channels.py
+++ b/backend/app/routers/notification_channels.py
@@ -6,7 +6,7 @@ from sqlalchemy.orm import Session
 from sqlalchemy import desc
 
 from ..database import get_db
-from ..models.notification_channel import NotificationChannel
+from ..models.notification_channel import TaskNotifyChannel
 
 
 router = APIRouter(prefix="/api/notification-channels", tags=["notification-channels"])
@@ -42,17 +42,17 @@ async def list_channels(
     db: Session = Depends(get_db)
 ):
     """获取通知渠道列表"""
-    query = db.query(NotificationChannel)
+    query = db.query(TaskNotifyChannel)
     
     if tenant_id:
-        query = query.filter(NotificationChannel.tenant_id == tenant_id)
+        query = query.filter(TaskNotifyChannel.tenant_id == tenant_id)
     if channel_type:
-        query = query.filter(NotificationChannel.channel_type == channel_type)
+        query = query.filter(TaskNotifyChannel.channel_type == channel_type)
     if is_enabled is not None:
-        query = query.filter(NotificationChannel.is_enabled == is_enabled)
+        query = query.filter(TaskNotifyChannel.is_enabled == is_enabled)
     
     total = query.count()
-    items = query.order_by(desc(NotificationChannel.created_at)).offset((page - 1) * size).limit(size).all()
+    items = query.order_by(desc(TaskNotifyChannel.created_at)).offset((page - 1) * size).limit(size).all()
     
     return {
         "total": total,
@@ -63,7 +63,7 @@ async def list_channels(
 @router.get("/{channel_id}")
 async def get_channel(channel_id: int, db: Session = Depends(get_db)):
     """获取渠道详情"""
-    channel = db.query(NotificationChannel).filter(NotificationChannel.id == channel_id).first()
+    channel = db.query(TaskNotifyChannel).filter(TaskNotifyChannel.id == channel_id).first()
     if not channel:
         raise HTTPException(status_code=404, detail="渠道不存在")
     return format_channel(channel)
@@ -72,7 +72,7 @@ async def get_channel(channel_id: int, db: Session = Depends(get_db)):
 @router.post("")
 async def create_channel(data: ChannelCreate, db: Session = Depends(get_db)):
     """创建通知渠道"""
-    channel = NotificationChannel(
+    channel = TaskNotifyChannel(
         tenant_id=data.tenant_id,
         channel_name=data.channel_name,
         channel_type=data.channel_type,
@@ -91,7 +91,7 @@ async def create_channel(data: ChannelCreate, db: Session = Depends(get_db)):
 @router.put("/{channel_id}")
 async def update_channel(channel_id: int, data: ChannelUpdate, db: Session = Depends(get_db)):
     """更新通知渠道"""
-    channel = db.query(NotificationChannel).filter(NotificationChannel.id == channel_id).first()
+    channel = db.query(TaskNotifyChannel).filter(TaskNotifyChannel.id == channel_id).first()
     if not channel:
         raise HTTPException(status_code=404, detail="渠道不存在")
     
@@ -113,7 +113,7 @@ async def update_channel(channel_id: int, data: ChannelUpdate, db: Session = Dep
 @router.delete("/{channel_id}")
 async def delete_channel(channel_id: int, db: Session = Depends(get_db)):
     """删除通知渠道"""
-    channel = db.query(NotificationChannel).filter(NotificationChannel.id == channel_id).first()
+    channel = db.query(TaskNotifyChannel).filter(TaskNotifyChannel.id == channel_id).first()
     if not channel:
         raise HTTPException(status_code=404, detail="渠道不存在")
     
@@ -127,7 +127,7 @@ async def test_channel(channel_id: int, db: Session = Depends(get_db)):
     """测试通知渠道"""
     import httpx
     
-    channel = db.query(NotificationChannel).filter(NotificationChannel.id == channel_id).first()
+    channel = db.query(TaskNotifyChannel).filter(TaskNotifyChannel.id == channel_id).first()
     if not channel:
         raise HTTPException(status_code=404, detail="渠道不存在")
     
@@ -166,7 +166,7 @@ async def test_channel(channel_id: int, db: Session = Depends(get_db)):
 
 # ==================== Helpers ====================
 
-def format_channel(channel: NotificationChannel) -> dict:
+def format_channel(channel: TaskNotifyChannel) -> dict:
     """格式化渠道数据"""
     return {
         "id": channel.id,
diff --git a/backend/app/services/scheduler.py b/backend/app/services/scheduler.py
index b8f80a8..7558ffe 100644
--- a/backend/app/services/scheduler.py
+++ b/backend/app/services/scheduler.py
@@ -10,7 +10,7 @@ from sqlalchemy.orm import Session
 
 from ..database import SessionLocal
 from ..models.scheduled_task import ScheduledTask, TaskLog
-from ..models.notification_channel import NotificationChannel
+from ..models.notification_channel import TaskNotifyChannel
 from .script_executor import ScriptExecutor
 
 
@@ -260,9 +260,9 @@ class SchedulerService:
         # 发送到通知渠道
         for channel_id in channel_ids:
             try:
-                channel = db.query(NotificationChannel).filter(
-                    NotificationChannel.id == channel_id,
-                    NotificationChannel.is_enabled == True
+                channel = db.query(TaskNotifyChannel).filter(
+                    TaskNotifyChannel.id == channel_id,
+                    TaskNotifyChannel.is_enabled == True
                 ).first()
                 
                 if not channel:
@@ -280,7 +280,7 @@ class SchedulerService:
             except Exception as e:
                 print(f"发送企微应用消息失败: {e}")
     
-    async def _send_to_channel(self, channel: NotificationChannel, content: str, title: str):
+    async def _send_to_channel(self, channel: TaskNotifyChannel, content: str, title: str):
         """发送消息到通知渠道"""
         if channel.channel_type == 'dingtalk_bot':
             payload = {