u

projects/textbook/src/modules/nav-author/components/textbook-pertain/textbook-pertain.component.ts

@@ -314,7 +314,7 @@ export class TextbookPertainComponent implements OnInit {
         this.authorList.splice(idx + 1, 0, {
           name: '',
           unit: '',
-          birth: '',
+          birth: new Date('December 1, 1975 00:00:00'),
           nationality: '',
           job: '',
           title: '',
@@ -347,7 +347,7 @@ export class TextbookPertainComponent implements OnInit {
             {
               name: '',
               unit: '',
-              birth: '',
+              birth: new Date('December 1, 1975 00:00:00'),
               nationality: '',
               job: '',
               title: '',