diff --git a/src/modules/10_registry/01_Information/05_Educations.vue b/src/modules/10_registry/01_Information/05_Educations.vue
index 435c123..2fb6e5d 100644
--- a/src/modules/10_registry/01_Information/05_Educations.vue
+++ b/src/modules/10_registry/01_Information/05_Educations.vue
@@ -78,10 +78,14 @@ const columns = ref<QTableProps["columns"]>([
     align: "left",
     label: "ตั้งแต่",
     sortable: true,
-    field: "startDate",
     headerStyle: "font-size: 14px",
     style: "font-size: 14px",
-    format: (v) => date2Thai(v),
+    field: (v) =>
+      v.startDate
+        ? v.isDate
+          ? date2Thai(v.startDate)
+          : new Date(v.startDate).getFullYear() + 543
+        : "-",
     sort: (a: string, b: string) =>
       a.localeCompare(b, undefined, { numeric: true, sensitivity: "base" }),
   },
@@ -91,7 +95,11 @@ const columns = ref<QTableProps["columns"]>([
     label: "ถึง",
     sortable: true,
     field: (v) =>
-      v.isDate ? date2Thai(v.endDate) : new Date(v.endDate).getFullYear() + 543,
+      v.endDate
+        ? v.isDate
+          ? date2Thai(v.endDate)
+          : new Date(v.endDate).getFullYear() + 543
+        : "-",
     headerStyle: "font-size: 14px",
     style: "font-size: 14px",
     sort: (a: string, b: string) =>
@@ -291,9 +299,11 @@ const columnsHistory = ref<QTableProps["columns"]>([
     label: "ตั้งแต่",
     sortable: true,
     field: (v) =>
-      v.isDate
-        ? date2Thai(v.startDate)
-        : new Date(v.startDate).getFullYear() + 543,
+      v.startDate
+        ? v.isDate
+          ? date2Thai(v.startDate)
+          : new Date(v.startDate).getFullYear() + 543
+        : "-",
     headerStyle: "font-size: 14px",
     style: "font-size: 14px",
     sort: (a: string, b: string) =>
@@ -305,7 +315,11 @@ const columnsHistory = ref<QTableProps["columns"]>([
     label: "ถึง",
     sortable: true,
     field: (v) =>
-      v.isDate ? date2Thai(v.endDate) : new Date(v.endDate).getFullYear() + 543,
+      v.endDate
+        ? v.isDate
+          ? date2Thai(v.endDate)
+          : new Date(v.endDate).getFullYear() + 543
+        : "-",
     headerStyle: "font-size: 14px",
     style: "font-size: 14px",
     sort: (a: string, b: string) =>