diff --git a/es/triggers/extraFile.js b/es/triggers/extraFile.js
index ff3b0c30a..bf004e575 100644
--- a/es/triggers/extraFile.js
+++ b/es/triggers/extraFile.js
@@ -84,9 +84,11 @@ const triggers = [
                 assert(data.origin, `启用分片上传的extraFile必须指定origin`);
                 assert(data.chunkInfo?.chunkSize, `启用分片上传的extraFile必须指定chunkInfo.chunkSize`);
                 assert(data.size, `启用分片上传的extraFile必须指定size`);
-                assert(data.chunkInfo?.chunkSize > 100 * 1024, `chunkInfo.chunkSize必须大于100KB`);
-                assert(data.chunkInfo?.chunkSize < 1 * 1024 * 1024 * 1024, `chunkInfo.chunkSize必须小于1GB`);
+                assert(data.chunkInfo?.chunkSize >= 100 * 1024, `chunkInfo.chunkSize必须大于100KB`);
+                assert(data.chunkInfo?.chunkSize <= 1 * 1024 * 1024 * 1024, `chunkInfo.chunkSize必须小于1GB`);
                 assert(data.chunkInfo?.partCount && data.chunkInfo.partCount > 0, `chunkInfo.partCount必须大于0`);
+                assert(!data.chunkInfo?.merged, `chunkInfo.merged必须为false`);
+                assert(data.chunkInfo?.partCount <= 100, `分片数量不能超过100`);
                 // 计算partCount 是否正确
                 const expectedPartCount = Math.ceil(data.size / data.chunkInfo.chunkSize);
                 assert(data.chunkInfo.partCount === expectedPartCount, `chunkInfo.partCount计算错误，预期值为${expectedPartCount}，但实际值为${data.chunkInfo.partCount}`);
diff --git a/es/utils/cos/common.d.ts b/es/utils/cos/common.d.ts
index 6551d3a4a..ab3f66777 100644
--- a/es/utils/cos/common.d.ts
+++ b/es/utils/cos/common.d.ts
@@ -1,6 +1,7 @@
 import { OpSchema } from '../../oak-app-domain/ExtraFile/Schema';
 import { UploadFn } from "../../types/Cos";
 import { EntityDict } from '../../oak-app-domain';
+export declare function isAbortError(error: any): boolean;
 /**
  * 分片上传通用方法，适用于所有类S3存储服务，如AWS，MinIO、阿里云OSS等
  * @param options 参数
diff --git a/es/utils/cos/common.js b/es/utils/cos/common.js
index ea3f2775a..85f20d7a9 100644
--- a/es/utils/cos/common.js
+++ b/es/utils/cos/common.js
@@ -1,7 +1,9 @@
-import { isOakException, OakUserException } from 'oak-domain/lib/types/Exception';
 import { sliceFile, cleanTempFiles } from '../files/slice';
 import assert from 'assert';
 import { OakUploadException } from '../../types/Exception';
+export function isAbortError(error) {
+    return error instanceof DOMException && error.name === 'AbortError';
+}
 /**
  * 分片上传通用方法，适用于所有类S3存储服务，如AWS，MinIO、阿里云OSS等
  * @param options 参数
@@ -62,7 +64,7 @@ export async function chunkUpload(options) {
                 console.error(`分片 ${part.partNumber} 上传第 ${attempt + 1} 次失败:`, err);
                 lastError = err;
                 // 如果是OakUserException说明是用户主动中止上传，不进行重试
-                if (isOakException(err, OakUserException)) {
+                if (isAbortError(err)) {
                     throw err;
                 }
                 if (attempt < retryTimes) {
@@ -88,7 +90,7 @@ export async function chunkUpload(options) {
                 await uploadPart(task.part, task.chunk);
             }
             catch (err) {
-                if (isOakException(err, OakUserException)) {
+                if (isAbortError(err)) {
                     // 用户主动中止上传，抛到上层再处理
                     console.log(`分片 ${task.part.partNumber} 上传被用户中止`);
                 }
diff --git a/lib/triggers/extraFile.js b/lib/triggers/extraFile.js
index 29649df26..03fb84513 100644
--- a/lib/triggers/extraFile.js
+++ b/lib/triggers/extraFile.js
@@ -87,9 +87,11 @@ const triggers = [
                 (0, assert_1.default)(data.origin, `启用分片上传的extraFile必须指定origin`);
                 (0, assert_1.default)(data.chunkInfo?.chunkSize, `启用分片上传的extraFile必须指定chunkInfo.chunkSize`);
                 (0, assert_1.default)(data.size, `启用分片上传的extraFile必须指定size`);
-                (0, assert_1.default)(data.chunkInfo?.chunkSize > 100 * 1024, `chunkInfo.chunkSize必须大于100KB`);
-                (0, assert_1.default)(data.chunkInfo?.chunkSize < 1 * 1024 * 1024 * 1024, `chunkInfo.chunkSize必须小于1GB`);
+                (0, assert_1.default)(data.chunkInfo?.chunkSize >= 100 * 1024, `chunkInfo.chunkSize必须大于100KB`);
+                (0, assert_1.default)(data.chunkInfo?.chunkSize <= 1 * 1024 * 1024 * 1024, `chunkInfo.chunkSize必须小于1GB`);
                 (0, assert_1.default)(data.chunkInfo?.partCount && data.chunkInfo.partCount > 0, `chunkInfo.partCount必须大于0`);
+                (0, assert_1.default)(!data.chunkInfo?.merged, `chunkInfo.merged必须为false`);
+                (0, assert_1.default)(data.chunkInfo?.partCount <= 100, `分片数量不能超过100`);
                 // 计算partCount 是否正确
                 const expectedPartCount = Math.ceil(data.size / data.chunkInfo.chunkSize);
                 (0, assert_1.default)(data.chunkInfo.partCount === expectedPartCount, `chunkInfo.partCount计算错误，预期值为${expectedPartCount}，但实际值为${data.chunkInfo.partCount}`);
diff --git a/lib/utils/cos/common.d.ts b/lib/utils/cos/common.d.ts
index 6551d3a4a..ab3f66777 100644
--- a/lib/utils/cos/common.d.ts
+++ b/lib/utils/cos/common.d.ts
@@ -1,6 +1,7 @@
 import { OpSchema } from '../../oak-app-domain/ExtraFile/Schema';
 import { UploadFn } from "../../types/Cos";
 import { EntityDict } from '../../oak-app-domain';
+export declare function isAbortError(error: any): boolean;
 /**
  * 分片上传通用方法，适用于所有类S3存储服务，如AWS，MinIO、阿里云OSS等
  * @param options 参数
diff --git a/lib/utils/cos/common.js b/lib/utils/cos/common.js
index 7a225b1bb..3fc90cff6 100644
--- a/lib/utils/cos/common.js
+++ b/lib/utils/cos/common.js
@@ -1,11 +1,14 @@
 "use strict";
 Object.defineProperty(exports, "__esModule", { value: true });
+exports.isAbortError = isAbortError;
 exports.chunkUpload = chunkUpload;
 const tslib_1 = require("tslib");
-const Exception_1 = require("oak-domain/lib/types/Exception");
 const slice_1 = require("../files/slice");
 const assert_1 = tslib_1.__importDefault(require("assert"));
-const Exception_2 = require("../../types/Exception");
+const Exception_1 = require("../../types/Exception");
+function isAbortError(error) {
+    return error instanceof DOMException && error.name === 'AbortError';
+}
 /**
  * 分片上传通用方法，适用于所有类S3存储服务，如AWS，MinIO、阿里云OSS等
  * @param options 参数
@@ -60,13 +63,13 @@ async function chunkUpload(options) {
                     (0, assert_1.default)(part.etag, `无法获取分片 ${part.partNumber} 的 ETag`);
                     return;
                 }
-                throw new Exception_2.OakUploadException(`分片 ${part.partNumber} 上传失败`);
+                throw new Exception_1.OakUploadException(`分片 ${part.partNumber} 上传失败`);
             }
             catch (err) {
                 console.error(`分片 ${part.partNumber} 上传第 ${attempt + 1} 次失败:`, err);
                 lastError = err;
                 // 如果是OakUserException说明是用户主动中止上传，不进行重试
-                if ((0, Exception_1.isOakException)(err, Exception_1.OakUserException)) {
+                if (isAbortError(err)) {
                     throw err;
                 }
                 if (attempt < retryTimes) {
@@ -75,7 +78,7 @@ async function chunkUpload(options) {
                 }
             }
         }
-        throw lastError || new Exception_2.OakUploadException(`分片 ${part.partNumber} 上传失败`);
+        throw lastError || new Exception_1.OakUploadException(`分片 ${part.partNumber} 上传失败`);
     };
     // 并行上传控制
     const uploadTasks = pendingParts.map((part) => ({
@@ -92,7 +95,7 @@ async function chunkUpload(options) {
                 await uploadPart(task.part, task.chunk);
             }
             catch (err) {
-                if ((0, Exception_1.isOakException)(err, Exception_1.OakUserException)) {
+                if (isAbortError(err)) {
                     // 用户主动中止上传，抛到上层再处理
                     console.log(`分片 ${task.part.partNumber} 上传被用户中止`);
                 }
diff --git a/src/triggers/extraFile.ts b/src/triggers/extraFile.ts
index 6fbc9012e..99282c97d 100644
--- a/src/triggers/extraFile.ts
+++ b/src/triggers/extraFile.ts
@@ -106,9 +106,11 @@ const triggers: Trigger<EntityDict, 'extraFile', BRC<EntityDict>>[] = [
                 assert(data.origin, `启用分片上传的extraFile必须指定origin`);
                 assert(data.chunkInfo?.chunkSize, `启用分片上传的extraFile必须指定chunkInfo.chunkSize`);
                 assert(data.size, `启用分片上传的extraFile必须指定size`);
-                assert(data.chunkInfo?.chunkSize > 100 * 1024, `chunkInfo.chunkSize必须大于100KB`);
-                assert(data.chunkInfo?.chunkSize < 1 * 1024 * 1024 * 1024, `chunkInfo.chunkSize必须小于1GB`);
+                assert(data.chunkInfo?.chunkSize >= 100 * 1024, `chunkInfo.chunkSize必须大于100KB`);
+                assert(data.chunkInfo?.chunkSize <= 1 * 1024 * 1024 * 1024, `chunkInfo.chunkSize必须小于1GB`);
                 assert(data.chunkInfo?.partCount && data.chunkInfo.partCount > 0, `chunkInfo.partCount必须大于0`);
+                assert(!data.chunkInfo?.merged, `chunkInfo.merged必须为false`);
+                assert(data.chunkInfo?.partCount <= 100, `分片数量不能超过100`);
 
                 // 计算partCount 是否正确
                 const expectedPartCount = Math.ceil(data.size! / data.chunkInfo!.chunkSize);
diff --git a/src/utils/cos/common.ts b/src/utils/cos/common.ts
index f236abba0..ae03febd0 100644
--- a/src/utils/cos/common.ts
+++ b/src/utils/cos/common.ts
@@ -1,4 +1,3 @@
-import { isOakException, OakUserException } from 'oak-domain/lib/types/Exception';
 import { sliceFile, cleanTempFiles } from '../files/slice';
 import { OpSchema } from '../../oak-app-domain/ExtraFile/Schema';
 import { UploadFn } from "../../types/Cos";
@@ -6,6 +5,10 @@ import { EntityDict } from '../../oak-app-domain';
 import assert from 'assert';
 import { OakUploadException } from '../../types/Exception';
 
+export function isAbortError(error: any): boolean {
+    return error instanceof DOMException && error.name === 'AbortError';
+}
+
 /**
  * 分片上传通用方法，适用于所有类S3存储服务，如AWS，MinIO、阿里云OSS等
  * @param options 参数
@@ -97,7 +100,7 @@ export async function chunkUpload(
                 console.error(`分片 ${part.partNumber} 上传第 ${attempt + 1} 次失败:`, err);
                 lastError = err;
                 // 如果是OakUserException说明是用户主动中止上传，不进行重试
-                if (isOakException(err, OakUserException)) {
+                if (isAbortError(err)) {
                     throw err;
                 }
                 if (attempt < retryTimes) {
@@ -125,7 +128,7 @@ export async function chunkUpload(
             try {
                 await uploadPart(task.part, task.chunk);
             } catch (err) {
-                if (isOakException(err, OakUserException)) {
+                if (isAbortError(err)) {
                     // 用户主动中止上传，抛到上层再处理
                     console.log(`分片 ${task.part.partNumber} 上传被用户中止`);
                 }