diff --git a/.DS_Store b/.DS_Store
index 638d98b..c8199df 100644
Binary files a/.DS_Store and b/.DS_Store differ
diff --git a/src/recruitment/entities/recruiment.entity.ts b/src/recruitment/entities/recruiment.entity.ts
index 35c9ce6..08ba730 100644
--- a/src/recruitment/entities/recruiment.entity.ts
+++ b/src/recruitment/entities/recruiment.entity.ts
@@ -27,7 +27,8 @@ export class RecruitmentEntity {
   @Column({
     name: 'user_name',
     nullable: false,
-    type: 'string'
+    type: 'varchar',
+    length: 100
   })
   userName: string;