update

src/pages/them-nghe-sy/AddArtist.ts

@@ -90,7 +90,7 @@ export default defineComponent({
     const artistCode: Ref<string> = ref('');
     const fullName: Ref<string> = ref('');
     const artistName: Ref<string | null | undefined> = ref();
-    const birthday: Ref<string | null | undefined> = ref('29/04/2021');
+    const birthday: Ref<string | null> = ref(null);
     const sex: Ref<number | undefined> = ref();
     const nationality: Ref<NationalityType | null> = ref(null);
     const qualification: Ref<QualificationType | null> = ref(null);