diff --git a/src/entities/kpiUserRole.ts b/src/entities/kpiUserRole.ts
index d9b2ede..86cd8d9 100644
--- a/src/entities/kpiUserRole.ts
+++ b/src/entities/kpiUserRole.ts
@@ -163,10 +163,10 @@ export class CreateKpiUserRole {
   kpiRoleId: string;
   @Column()
   documentInfoEvidence: string;
-  @Column()
-  startDate: Date;
-  @Column()
-  endDate: Date;
+  @Column({ nullable: true })
+  startDate?: Date;
+  @Column({ nullable: true })
+  endDate?: Date;
   @Column()
   achievement1: string;
   @Column()
@@ -196,10 +196,10 @@ export class UpdateKpiUserRole {
   kpiRoleId: string;
   @Column()
   documentInfoEvidence: string;
-  @Column()
-  startDate: Date;
-  @Column()
-  endDate: Date;
+  @Column({ nullable: true })
+  startDate?: Date;
+  @Column({ nullable: true })
+  endDate?: Date;
   @Column()
   achievement1: string;
   @Column()