diff --git a/backend/app/api/schedules.py b/backend/app/api/schedules.py
index f924e9db..228ed217 100644
--- a/backend/app/api/schedules.py
+++ b/backend/app/api/schedules.py
@@ -618,7 +618,10 @@ async def trigger_options(event: str | None = None, q: str | None = None, select
     async def page(model: Any, *conds: Any) -> tuple[list[Any], bool]:
         query = select(model).where(*conds)
         if words:
-            query = query.where(model.name.contains(words, autoescape=True))
+            # 名字里含这几个字，不分大小写：PostgreSQL 上 LIKE 分 ASCII 大小写、SQLite 不分，一律 ilike（转义同 runs._like）
+            from app.api.runs import _like
+
+            query = query.where(model.name.ilike(f"%{_like(words)}%", escape="\\"))
         rows = list((await session.execute(query.order_by(model.name, model.id).limit(limit + 1))).scalars())
         more = len(rows) > limit
         rows = rows[:limit]
diff --git a/backend/tests/test_schedule_events_scale.py b/backend/tests/test_schedule_events_scale.py
index 547701a0..081f8f2a 100644
--- a/backend/tests/test_schedule_events_scale.py
+++ b/backend/tests/test_schedule_events_scale.py
@@ -169,3 +169,19 @@ async def test_a_window_ending_where_another_fire_already_is_still_fires():
     assert len(await fires(sid)) == 2
     assert [d.status for d in await deliveries(sid)] == ["fired", "fired"]
     assert TriggerDelivery is not None
+
+
+async def test_trigger_option_search_ignores_case_and_takes_wildcards_literally(client):
+    """按名字查不分大小写（PostgreSQL 上 LIKE 分 ASCII 大小写、SQLite 不分：一律 ilike），% 和 _ 按字面匹配、不当通配符。"""
+    async with SessionLocal() as session:
+        session.add_all([Workflow(name=n, graph={"nodes": [], "edges": []})
+                         for n in ("Weekly_Report 样例", "WeeklyXReport 样例", "满 100% 样例", "满 1000 样例")])
+        await session.commit()
+
+    async def names(q: str) -> list[str]:
+        r = await client.get("/api/schedules/trigger-options", params={"event": "workflow.finished", "q": q})
+        assert r.status_code == 200, r.text
+        return [o["name"] for o in r.json()["events"][0]["objects"]]
+
+    assert await names("weekly_report") == ["Weekly_Report 样例"], "大小写不分；_ 不匹配任意一个字"
+    assert await names("100%") == ["满 100% 样例"], "% 不匹配任意几个字"