diff --git a/src/api/routes/schedules.py b/src/api/routes/schedules.py
index c006b09..0b98486 100644
--- a/src/api/routes/schedules.py
+++ b/src/api/routes/schedules.py
@@ -8,7 +8,7 @@ from fastapi import APIRouter, Depends, HTTPException
 from sqlalchemy import select, delete
 
 from src.api.deps import require_admin
-from src.api.schemas import ScheduleIn, ScheduleOut
+from src.api.schemas import ScheduleIn, ScheduleUpdate, ScheduleOut
 from src.core.scheduler import scheduler
 from src.data.bzzoiro import ingest_bzzoiro_event_stats, ingest_bzzoiro_standings
 from src.data.sources import get_source
@@ -98,21 +98,25 @@ async def create_schedule(req: ScheduleIn, db: AsyncSession = Depends(get_db_rea
 
 
 @router.put("/schedules/{schedule_id}")
-async def update_schedule(schedule_id: str, req: ScheduleIn, db: AsyncSession = Depends(get_db_read)):
-    """更新定时任务。"""
+async def update_schedule(schedule_id: str, req: ScheduleUpdate, db: AsyncSession = Depends(get_db_read)):
+    """更新定时任务(部分更新)。"""
     stmt = select(Schedule).where(Schedule.id == schedule_id)
     sched = (await db.execute(stmt)).scalar_one_or_none()
     if sched is None:
         raise HTTPException(404, "定时任务不存在")
 
-    sched.task = req.task
-    sched.cron = req.cron
-    sched.leagues = ",".join(req.leagues) if req.leagues else None
-    sched.enabled = req.enabled
+    if req.task is not None:
+        sched.task = req.task
+    if req.cron is not None:
+        sched.cron = req.cron
+    if req.leagues is not None:
+        sched.leagues = ",".join(req.leagues) if req.leagues else None
+    if req.enabled is not None:
+        sched.enabled = req.enabled
     await db.commit()
 
-    # 更新调度器
-    scheduler.register(schedule_id, req.task, lambda: _run_scheduled_task(schedule_id), enabled=req.enabled)
+    # 更新调度器(使用最终值)
+    scheduler.register(schedule_id, sched.task, lambda: _run_scheduled_task(schedule_id), enabled=sched.enabled)
 
     return {"ok": True}
 
diff --git a/src/api/schemas.py b/src/api/schemas.py
index 0a581bd..9fc8993 100644
--- a/src/api/schemas.py
+++ b/src/api/schemas.py
@@ -129,6 +129,13 @@ class ScheduleIn(BaseModel):
     enabled: bool = True
 
 
+class ScheduleUpdate(BaseModel):
+    task: str | None = None
+    cron: str | None = None
+    leagues: list[str] | None = None
+    enabled: bool | None = None
+
+
 class ScheduleOut(BaseModel):
     id: str
     task: str