diff --git a/oss-client/src/main/java/cn/axzo/oss/client/controller/WebFileController.java b/oss-client/src/main/java/cn/axzo/oss/client/controller/WebFileController.java
index 5235b96..f6d3e1d 100644
--- a/oss-client/src/main/java/cn/axzo/oss/client/controller/WebFileController.java
+++ b/oss-client/src/main/java/cn/axzo/oss/client/controller/WebFileController.java
@@ -140,6 +140,7 @@ public class WebFileController {
                 .fileName(fileName)
                 .tgtFileKey(tgtFileKey)
                 .fileContent(file.getInputStream())
+                .file(file)
                 .uploadId(uploadId)
                 .build();
         MultipartUploadFileResponse response = fileService.multipartUploadFile(dto);
diff --git a/oss-integration/src/main/java/cn/axzo/oss/integration/s3/base/BaseS3Service.java b/oss-integration/src/main/java/cn/axzo/oss/integration/s3/base/BaseS3Service.java
index e5c5080..d50f17e 100644
--- a/oss-integration/src/main/java/cn/axzo/oss/integration/s3/base/BaseS3Service.java
+++ b/oss-integration/src/main/java/cn/axzo/oss/integration/s3/base/BaseS3Service.java
@@ -63,5 +63,5 @@ public interface BaseS3Service {
 
   String multipartUploadComplete(String bucketName, String tgtFileKey, String uploadId, List<PartETag> partETags);
 
-  List<PartETag> multipartUploadFile(String bucketName, String tgtFileKey, String uploadId, InputStream inputStream);
+  List<PartETag> multipartUploadFile(String bucketName, String tgtFileKey, String uploadId, MultipartFile file);
 }
diff --git a/oss-integration/src/main/java/cn/axzo/oss/integration/s3/impl/AliOssServiceImpl.java b/oss-integration/src/main/java/cn/axzo/oss/integration/s3/impl/AliOssServiceImpl.java
index bcaef8e..84385ed 100644
--- a/oss-integration/src/main/java/cn/axzo/oss/integration/s3/impl/AliOssServiceImpl.java
+++ b/oss-integration/src/main/java/cn/axzo/oss/integration/s3/impl/AliOssServiceImpl.java
@@ -196,7 +196,7 @@ public class AliOssServiceImpl implements AliOssService {
     }
 
     @Override
-    public List<PartETag> multipartUploadFile(String bucketName, String tgtFileKey, String uploadId, InputStream inputStream) {
+    public List<PartETag> multipartUploadFile(String bucketName, String tgtFileKey, String uploadId, MultipartFile file) {
         OSS client = aliOssClient.getClient();
         try {
             List<PartETag> partETags =  new ArrayList<PartETag>();
@@ -204,7 +204,7 @@ public class AliOssServiceImpl implements AliOssService {
             final long partSize = 10 * 1024 * 1024L;   //1 MB。
 
             // 根据上传的数据大小计算分片数。以本地文件为例，说明如何通过File.length()获取上传数据的大小。
-            long fileLength = inputStream.available();
+            long fileLength = file.getSize();
             int partCount = (int) (fileLength / partSize);
             if (fileLength % partSize != 0) {
                 partCount++;
@@ -223,6 +223,9 @@ public class AliOssServiceImpl implements AliOssService {
                 // 分片文件
                 //InputStream inputStream = new ByteArrayInputStream(fileContent);
                 //inputStream.skip(startPos);
+                // 跳过已经上传的分片。
+                InputStream inputStream = file.getInputStream();
+                inputStream.skip(startPos);
                 partRequest.setInputStream(inputStream);
                 // 分片大小。除了最后一个分片没有大小限制，其他的分片最小为100 KB。
                 partRequest.setPartSize(curPartSize);
diff --git a/oss-manager-api/pom.xml b/oss-manager-api/pom.xml
index c76ed1c..8b81202 100644
--- a/oss-manager-api/pom.xml
+++ b/oss-manager-api/pom.xml
@@ -22,6 +22,10 @@
 			<groupId>cn.axzo.oss</groupId>
 			<artifactId>oss-dal</artifactId>
 		</dependency>
-	</dependencies>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-web</artifactId>
+        </dependency>
+    </dependencies>
 
 </project>
diff --git a/oss-manager-api/src/main/java/cn/axzo/oss/manager/api/FileManager.java b/oss-manager-api/src/main/java/cn/axzo/oss/manager/api/FileManager.java
index e6d7c57..81220fb 100644
--- a/oss-manager-api/src/main/java/cn/axzo/oss/manager/api/FileManager.java
+++ b/oss-manager-api/src/main/java/cn/axzo/oss/manager/api/FileManager.java
@@ -3,6 +3,7 @@ package cn.axzo.oss.manager.api;
 import cn.axzo.oss.manager.api.dto.PartETag;
 import cn.axzo.oss.manager.api.dto.request.MultipartUploadDto;
 import cn.axzo.oss.manager.api.dto.request.MultipartUploadFileDto;
+import org.springframework.web.multipart.MultipartFile;
 
 import java.io.InputStream;
 import java.util.List;
@@ -48,5 +49,5 @@ public interface FileManager {
 
     String multipartUploadComplete(String bucketName, String tgtFileKey, String uploadId, List<PartETag> partETags);
 
-    List<PartETag> multipartUploadFile(String bucketName, String tgtFileKey, InputStream inputStream, MultipartUploadFileDto dto);
+    List<PartETag> multipartUploadFile(String bucketName, String tgtFileKey, MultipartFile file, MultipartUploadFileDto dto);
 }
diff --git a/oss-manager-api/src/main/java/cn/axzo/oss/manager/api/dto/request/MultipartUploadFileDto.java b/oss-manager-api/src/main/java/cn/axzo/oss/manager/api/dto/request/MultipartUploadFileDto.java
index dcd17da..8e332ad 100644
--- a/oss-manager-api/src/main/java/cn/axzo/oss/manager/api/dto/request/MultipartUploadFileDto.java
+++ b/oss-manager-api/src/main/java/cn/axzo/oss/manager/api/dto/request/MultipartUploadFileDto.java
@@ -4,6 +4,7 @@ import lombok.AllArgsConstructor;
 import lombok.Builder;
 import lombok.Data;
 import lombok.NoArgsConstructor;
+import org.springframework.web.multipart.MultipartFile;
 
 import javax.validation.constraints.NotBlank;
 import java.io.File;
@@ -34,6 +35,8 @@ public class MultipartUploadFileDto {
 
     private InputStream fileContent;
 
+    private MultipartFile file;
+
     /**
      * oss上传时的上传id
      */
diff --git a/oss-manager/src/main/java/cn/axzo/oss/manager/impl/FileManagerImpl.java b/oss-manager/src/main/java/cn/axzo/oss/manager/impl/FileManagerImpl.java
index 5734f51..7aec062 100644
--- a/oss-manager/src/main/java/cn/axzo/oss/manager/impl/FileManagerImpl.java
+++ b/oss-manager/src/main/java/cn/axzo/oss/manager/impl/FileManagerImpl.java
@@ -10,6 +10,7 @@ import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.collections4.CollectionUtils;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
+import org.springframework.web.multipart.MultipartFile;
 
 import java.io.ByteArrayInputStream;
 import java.io.InputStream;
@@ -72,8 +73,8 @@ public class FileManagerImpl implements FileManager {
     }
 
     @Override
-    public List<PartETag> multipartUploadFile(String bucketName, String tgtFileKey, InputStream inputStream, MultipartUploadFileDto dto) {
-        List<com.aliyun.oss.model.PartETag> partETags = aliOssService.multipartUploadFile(bucketName, tgtFileKey, dto.getUploadId(), dto.getFileContent());
+    public List<PartETag> multipartUploadFile(String bucketName, String tgtFileKey, MultipartFile file, MultipartUploadFileDto dto) {
+        List<com.aliyun.oss.model.PartETag> partETags = aliOssService.multipartUploadFile(bucketName, tgtFileKey, dto.getUploadId(), file);
         return BeanConvertUtil.copyList(partETags, PartETag.class);
     }
 
diff --git a/oss-service/src/main/java/cn/axzo/oss/service/impl/FileServiceImpl.java b/oss-service/src/main/java/cn/axzo/oss/service/impl/FileServiceImpl.java
index 2a11d63..5be20cf 100644
--- a/oss-service/src/main/java/cn/axzo/oss/service/impl/FileServiceImpl.java
+++ b/oss-service/src/main/java/cn/axzo/oss/service/impl/FileServiceImpl.java
@@ -182,13 +182,13 @@ public class FileServiceImpl implements FileService {
     }
 
     @Override
-    public MultipartUploadFileResponse multipartUploadFile(MultipartUploadFileDto dto) throws IOException {
+    public MultipartUploadFileResponse multipartUploadFile(MultipartUploadFileDto dto) {
         FileUploadConfig fileUploadConfig = getFileUploadConfig(dto.getAppCode(), dto.getBizScene());
         // 判断容量
-        isFileConform(fileUploadConfig, dto.getFileContent().available(), dto.getFileName());
+        isFileConform(fileUploadConfig, (int)dto.getFile().getSize(), dto.getFileName());
 
         List<PartETag> partETags = fileManager.multipartUploadFile(fileUploadConfig.getBucketName(),
-                dto.getTgtFileKey(), dto.getFileContent(), dto);
+                dto.getTgtFileKey(), dto.getFile(), dto);
         MultipartUploadFileResponse response = MultipartUploadFileResponse.builder()
                 .uploadId(dto.getUploadId())
                 .partETags(partETags)