diff --git a/client/packages/lowcoder/src/comps/comps/tableComp/tableComp.tsx b/client/packages/lowcoder/src/comps/comps/tableComp/tableComp.tsx
index f050997a0..52b1acf4a 100644
--- a/client/packages/lowcoder/src/comps/comps/tableComp/tableComp.tsx
+++ b/client/packages/lowcoder/src/comps/comps/tableComp/tableComp.tsx
@@ -99,11 +99,15 @@ export class TableImplComp extends TableInitComp implements IContainer {
   }
 
   downloadData(fileName: string) {
+    // displayData already contains only visible columns (filtered in transformDispalyData)
+    const displayData = (this as any).exposingValues["displayData"];
+    const delimiter = this.children.toolbar.children.columnSeparator.getView();
+
     saveDataAsFile({
-      data: (this as any).exposingValues["displayData"],
+      data: displayData,
       filename: fileName,
       fileType: "csv",
-      delimiter: this.children.toolbar.children.columnSeparator.getView(),
+      delimiter,
     });
   }
 
diff --git a/client/packages/lowcoder/src/comps/comps/tableComp/tableUtils.tsx b/client/packages/lowcoder/src/comps/comps/tableComp/tableUtils.tsx
index fdc5c775d..edb26ca61 100644
--- a/client/packages/lowcoder/src/comps/comps/tableComp/tableUtils.tsx
+++ b/client/packages/lowcoder/src/comps/comps/tableComp/tableUtils.tsx
@@ -209,7 +209,8 @@ export function transformDispalyData(
   return oriDisplayData.map((row) => {
     const transData = _(row)
       .omit(OB_ROW_ORI_INDEX)
-      .mapKeys((value, key) => dataIndexTitleDict[key] || key)
+      .pickBy((value, key) => key in dataIndexTitleDict) // Only include columns in the dictionary
+      .mapKeys((value, key) => dataIndexTitleDict[key])
       .value();
     if (Array.isArray(row[COLUMN_CHILDREN_KEY])) {
       return {