diff --git a/src/entity/emr/emr_registration_outpatient.ts b/src/entity/emr/emr_registration_outpatient.ts
index 6764d6e..eae542f 100644
--- a/src/entity/emr/emr_registration_outpatient.ts
+++ b/src/entity/emr/emr_registration_outpatient.ts
@@ -15,6 +15,7 @@ import { Room } from "../room";
 import { User } from "../users";
 import { DoctorSchedule } from "../doctor_schedule";
 import { EmrInternalConsultation } from "./emr_internal_consultation";
+import { ScheduleSeries } from "../schedule_series";
 // import { RegistrationOutPatientStatus } from "../../enum/registrationOutPatientStatus";
 
 /**
@@ -43,6 +44,10 @@ export class EmrRegistrationOutpatient {
     @JoinColumn()
     doctor_schedule: DoctorSchedule | null;
 
+    @ManyToOne(() => ScheduleSeries, { onDelete: "SET NULL", nullable: true })
+    @JoinColumn({ name: "schedule_series_id" })
+    schedule_series: ScheduleSeries | null;
+
     @Column({ nullable: true, length: 64 })
     practice_hour: string;
 
diff --git a/src/entity/schedule_series.ts b/src/entity/schedule_series.ts
index f361d7a..88413a1 100644
--- a/src/entity/schedule_series.ts
+++ b/src/entity/schedule_series.ts
@@ -50,6 +50,9 @@ export class ScheduleSeries {
     @Column({ type: "time", nullable: false })
     end_time_local: string;
 
+    @Column({ type: "int", nullable: true })
+    quota: number;
+
     @Column({ nullable: true, type: "text" })
     recurrence_rule: string;