diff --git a/apps/nestjs-backend/src/features/import/open-api/import.class.ts b/apps/nestjs-backend/src/features/import/open-api/import.class.ts
index 2169f5877..7e038875f 100644
--- a/apps/nestjs-backend/src/features/import/open-api/import.class.ts
+++ b/apps/nestjs-backend/src/features/import/open-api/import.class.ts
@@ -2,7 +2,7 @@ import { BadRequestException } from '@nestjs/common';
 import { getUniqName, FieldType } from '@teable/core';
 import type { IValidateTypes, IAnalyzeVo } from '@teable/openapi';
 import { SUPPORTEDTYPE, importTypeMap } from '@teable/openapi';
-import { zip, toString, intersection } from 'lodash';
+import { zip, toString, intersection, chunk as chunkArray } from 'lodash';
 import fetch from 'node-fetch';
 import sizeof from 'object-sizeof';
 import Papa from 'papaparse';
@@ -317,10 +317,20 @@ export class ExcelImporter extends Importer {
 
     if (options && chunk) {
       const { skipFirstNLines, key } = options;
-      if (skipFirstNLines) {
-        parseResult[key].splice(0, 1);
+
+      const parseResults = chunkArray(parseResult[key], Importer.MAX_CHUNK_LENGTH);
+
+      for (let i = 0; i < parseResults.length; i++) {
+        const currentChunk = parseResults[i];
+        if (i === 0 && skipFirstNLines) {
+          currentChunk.splice(0, 1);
+        }
+        try {
+          await chunk({ [key]: currentChunk });
+        } catch (e) {
+          onError?.((e as Error)?.message || Importer.DEFAULT_ERROR_MESSAGE);
+        }
       }
-      await chunk(parseResult);
       onFinished?.();
     }
 
diff --git a/apps/nestjs-backend/src/features/table/open-api/table-open-api.service.ts b/apps/nestjs-backend/src/features/table/open-api/table-open-api.service.ts
index 3d588a5e7..f1a290136 100644
--- a/apps/nestjs-backend/src/features/table/open-api/table-open-api.service.ts
+++ b/apps/nestjs-backend/src/features/table/open-api/table-open-api.service.ts
@@ -30,6 +30,7 @@ import type {
   ITableVo,
   IUpdateOrderRo,
 } from '@teable/openapi';
+import { nanoid } from 'nanoid';
 import { ThresholdConfig, IThresholdConfig } from '../../../configs/threshold.config';
 import { InjectDbProvider } from '../../../db-provider/db.provider';
 import { IDbProvider } from '../../../db-provider/db.provider.interface';
@@ -117,7 +118,22 @@ export class TableOpenApiService {
         )
       );
     }
-    return fields;
+
+    const repeatedDbFieldNames = fields
+      .map((f) => f.dbFieldName)
+      .filter((value, index, self) => self.indexOf(value) !== index);
+
+    // generator dbFieldName may repeat, this is fix it.
+    return fields.map((f) => {
+      const newField = { ...f };
+      const { dbFieldName } = newField;
+
+      if (repeatedDbFieldNames.includes(dbFieldName)) {
+        newField.dbFieldName = `${dbFieldName}_${nanoid(3)}`;
+      }
+
+      return newField;
+    });
   }
 
   async createTable(baseId: string, tableRo: ICreateTableWithDefault): Promise<ITableFullVo> {