diff --git a/database/entity/Member.ts b/database/entity/Member.ts
index b038740..246c320 100644
--- a/database/entity/Member.ts
+++ b/database/entity/Member.ts
@@ -1,6 +1,7 @@
-import {Entity, PrimaryGeneratedColumn, Column, CreateDateColumn, UpdateDateColumn} from "typeorm"
+import {Entity, PrimaryGeneratedColumn, Column, CreateDateColumn, UpdateDateColumn, Unique} from "typeorm"
 
 @Entity({name: "Member", synchronize: true})
+@Unique("UQ_Member_userid_name", ['userid', 'name'])
 export class Member {
 
     @PrimaryGeneratedColumn()
diff --git a/database/migrations/1772830252670-update.ts b/database/migrations/1772830252670-update.ts
new file mode 100644
index 0000000..c35a943
--- /dev/null
+++ b/database/migrations/1772830252670-update.ts
@@ -0,0 +1,14 @@
+import { MigrationInterface, QueryRunner } from "typeorm";
+
+export class Update1772830252670 implements MigrationInterface {
+    name = 'Update1772830252670'
+
+    public async up(queryRunner: QueryRunner): Promise<void> {
+        await queryRunner.query(`ALTER TABLE "Member" ADD CONSTRAINT "UQ_Member_userid_name" UNIQUE ("userid", "name")`);
+    }
+
+    public async down(queryRunner: QueryRunner): Promise<void> {
+        await queryRunner.query(`ALTER TABLE "Member" DROP CONSTRAINT "UQ_Member_userid_name"`);
+    }
+
+}