diff --git a/src/components/Data.jsx b/src/components/Data.jsx
index b931c0b..00d022d 100644
--- a/src/components/Data.jsx
+++ b/src/components/Data.jsx
@@ -38,13 +38,13 @@ export const TableExportBtn = (props) => {
   useEffect(() => {
     const r1 = props.columns.reduce((r, v) => ({
       ...r,
-      ...(v.children ? v.children.reduce((rc, vc) => ({
+      ...(v.children ? v.children.reduce((rc, vc, ci) => ({
         ...rc,
-        ...(vc?.titleX ? {[`${v?.titleX || v.title},${vc.titleX}`]: vc.titleX } : {[v?.titleX || v.title]: `${vc?.titleX || vc?.title || ''}`}),
+        ...(vc?.titleX ? {[`${v?.titleX || v.title},${vc.titleX}`]: vc.titleX } : {[(v?.titleX || v.title) + (ci || '')]: `${vc?.titleX || vc?.title || ''}`}),
       }), {}) : {})
     }), {});
     const flatCols = props.columns.flatMap((v, k) =>
-      v.children ? v.children.map((vc) => ({ ...vc, title: `${v?.titleX || v.title}` + (vc?.titleX ? `,${vc.titleX}` : '') })) : v
+      v.children ? v.children.map((vc, ci) => ({ ...vc, title: `${v?.titleX || v.title}` + (vc?.titleX ? `,${vc.titleX}` : (ci || '')) })) : v
     );
       // .filter((c) => c.dataIndex)
       // !['string', 'number'].includes(typeof vc.title) ? `${v?.titleX || v.title}` : `${v?.titleX || v.title}-${vc.title || ''}`