diff --git a/backend/app/services/ledger_test.go b/backend/app/services/ledger_test.go
index 9a48900..27d9230 100644
--- a/backend/app/services/ledger_test.go
+++ b/backend/app/services/ledger_test.go
@@ -364,5 +364,23 @@ func (s *LedgerTestSuite) Test_AdminLedgerPage() {
 			So(err, ShouldBeNil)
 			So(pager.Total, ShouldEqual, 1)
 		})
+
+		Convey("按 biz_ref_type + biz_ref_id 过滤", func() {
+			bizRefType := "order"
+			pager, err := Ledger.AdminLedgerPage(ctx, tenantID, &dto.AdminLedgerListFilter{
+				BizRefType: &bizRefType,
+				BizRefID:   lo.ToPtr(int64(777)),
+			})
+			So(err, ShouldBeNil)
+			So(pager.Total, ShouldEqual, 1)
+		})
+
+		Convey("按 order_id 过滤", func() {
+			pager, err := Ledger.AdminLedgerPage(ctx, tenantID, &dto.AdminLedgerListFilter{
+				OrderID: lo.ToPtr(int64(777)),
+			})
+			So(err, ShouldBeNil)
+			So(pager.Total, ShouldEqual, 1)
+		})
 	})
 }