diff --git a/src/modules/04_registryPerson/components/detail/PersonalInformation/05_Education.vue b/src/modules/04_registryPerson/components/detail/PersonalInformation/05_Education.vue
index e27628e6b..48cde1fab 100644
--- a/src/modules/04_registryPerson/components/detail/PersonalInformation/05_Education.vue
+++ b/src/modules/04_registryPerson/components/detail/PersonalInformation/05_Education.vue
@@ -78,9 +78,11 @@ const baseColumns = ref<QTableColumn[]>([
     sortable: true,
     field: "startDate",
     format(val, row) {
-      return row.isDate
-        ? date2Thai(row.startDate)
-        : (new Date(row.startDate).getFullYear() + 543).toString();
+      return row.startDate
+        ? row.isDate
+          ? date2Thai(row.startDate)
+          : (new Date(row.startDate).getFullYear() + 543).toString()
+        : "-";
     },
     headerStyle: "font-size: 14px",
     style: "font-size: 14px",
@@ -94,9 +96,11 @@ const baseColumns = ref<QTableColumn[]>([
     sortable: true,
     field: "endDate",
     format(val, row) {
-      return row.isDate
-        ? date2Thai(row.endDate)
-        : (new Date(row.endDate).getFullYear() + 543).toString();
+      return row.endDate
+        ? row.isDate
+          ? date2Thai(row.endDate)
+          : (new Date(row.endDate).getFullYear() + 543).toString()
+        : "-";
     },
     headerStyle: "font-size: 14px",
     style: "font-size: 14px",