diff --git a/plugin.xml b/plugin.xml
index 0821aa9..9883cd0 100644
--- a/plugin.xml
+++ b/plugin.xml
@@ -5,12 +5,13 @@
     <main-package>com.fanruan.fs</main-package>
     <active>yes</active>
     <hidden>no</hidden>
-    <version>1.3.9</version>
+    <version>1.4.0</version>
     <env-version>10.0~10.0</env-version>
     <jartime>2023-03-14</jartime>
     <vendor>richie</vendor>
     <description><![CDATA[使用支持S3协议的云存储文件系统作为文件服务器。]]></description>
     <change-notes><![CDATA[
+        [2023-08-08]支持分片上传，模板保存问题修复。 <br/>
         [2023-06-30]修复默认配置获取错误的问题，过滤有问题的路径。 <br/>
         [2023-03-28]第三方组件升级。 <br/>
         [2023-01-03]优化写文件性能; 修复文件太多显示不全的问题。<br/>
diff --git a/src/main/java/com/fanruan/fs/s3/repository/core/S3ResourceRepository.java b/src/main/java/com/fanruan/fs/s3/repository/core/S3ResourceRepository.java
index 21e5d7b..f82d7ad 100644
--- a/src/main/java/com/fanruan/fs/s3/repository/core/S3ResourceRepository.java
+++ b/src/main/java/com/fanruan/fs/s3/repository/core/S3ResourceRepository.java
@@ -7,25 +7,33 @@ import com.amazonaws.auth.BasicAWSCredentials;
 import com.amazonaws.client.builder.AwsClientBuilder;
 import com.amazonaws.services.s3.AmazonS3;
 import com.amazonaws.services.s3.AmazonS3ClientBuilder;
+import com.amazonaws.services.s3.model.CompleteMultipartUploadRequest;
 import com.amazonaws.services.s3.model.DeleteObjectsRequest;
 import com.amazonaws.services.s3.model.GetObjectRequest;
+import com.amazonaws.services.s3.model.InitiateMultipartUploadRequest;
+import com.amazonaws.services.s3.model.InitiateMultipartUploadResult;
 import com.amazonaws.services.s3.model.ListObjectsRequest;
 import com.amazonaws.services.s3.model.ObjectListing;
 import com.amazonaws.services.s3.model.ObjectMetadata;
+import com.amazonaws.services.s3.model.PartETag;
 import com.amazonaws.services.s3.model.PutObjectRequest;
 import com.amazonaws.services.s3.model.S3Object;
 import com.amazonaws.services.s3.model.S3ObjectSummary;
+import com.amazonaws.services.s3.model.UploadPartRequest;
+import com.amazonaws.services.s3.model.UploadPartResult;
 import com.amazonaws.util.IOUtils;
 import com.fanruan.api.log.LogKit;
 import com.fanruan.api.util.StringKit;
 import com.fr.io.repository.FineFileEntry;
 import com.fr.io.repository.base.BaseResourceRepository;
+import com.fr.io.utils.ResourceIOUtils;
 import com.fr.stable.Filter;
 import com.fr.stable.StringUtils;
 import com.fr.third.org.apache.commons.io.output.NullOutputStream;
 import com.fr.workspace.resource.ResourceIOException;
 
 import java.io.ByteArrayInputStream;
+import java.io.IOException;
 import java.io.InputStream;
 import java.net.URL;
 import java.net.URLConnection;
@@ -41,6 +49,10 @@ public class S3ResourceRepository extends BaseResourceRepository {
 
     private static final int PAGE_SIZE = 1000;
 
+    private static final int PART_SIZE = 5 * 1024 * 1024;
+
+    private static final int MULTIPART_UPLOAD_LIMIT = 20 * PART_SIZE;
+
     private static final String DELIMITER = "/";
     public static final String HTTP = "http:";
 
@@ -67,7 +79,6 @@ public class S3ResourceRepository extends BaseResourceRepository {
         if (config.getEndPoint().startsWith(HTTP)) {
             clientConfiguration.setProtocol(Protocol.HTTP);
         }
-        clientConfiguration.setProtocol(Protocol.HTTP);
         amazonS3ClientBuilder = amazonS3ClientBuilder.withClientConfiguration(clientConfiguration);
         this.s3 = amazonS3ClientBuilder.build();
         this.bucket = config.getBucket();
@@ -142,22 +153,71 @@ public class S3ResourceRepository extends BaseResourceRepository {
 
     @Override
     public void write(String path, byte[] data) {
-        ObjectMetadata metadata;
-        try {
-            metadata = s3.getObjectMetadata(bucket, path);
-        } catch (Exception e) {
-            metadata = new ObjectMetadata();
-            String mimeType = URLConnection.guessContentTypeFromName(path);
-            if (mimeType != null) {
-                metadata.setContentType(mimeType);
+        int length = data.length;
+        if (length > MULTIPART_UPLOAD_LIMIT) {
+            multipartUpload(path, new ByteArrayInputStream(data));
+        } else {
+            ObjectMetadata metadata;
+            try {
+                metadata = s3.getObjectMetadata(bucket, path);
+            } catch (Exception e) {
+                metadata = new ObjectMetadata();
+                String mimeType = URLConnection.guessContentTypeFromName(path);
+                if (mimeType != null) {
+                    metadata.setContentType(mimeType);
+                }
             }
+            if (metadata != null) {
+                metadata.setContentLength(length);
+            }
+            s3.putObject(bucket, path, new ByteArrayInputStream(data), metadata);
         }
-        if (metadata != null) {
-            metadata.setContentLength(data.length);
-        }
-        s3.putObject(bucket, path, new ByteArrayInputStream(data), metadata);
     }
 
+    @Override
+    public void write(String path, InputStream inputStream) throws ResourceIOException {
+        multipartUpload(path, inputStream);
+    }
+
+    private void multipartUpload(String path, InputStream inputStream) {
+        try {
+            // Step 1: 初始化分片上传
+            InitiateMultipartUploadRequest initRequest = new InitiateMultipartUploadRequest(bucket, path);
+            InitiateMultipartUploadResult initResponse = s3.initiateMultipartUpload(initRequest);
+            String uploadId = initResponse.getUploadId();
+
+            // Step 2: 分片上传文件
+            List<PartETag> partETags = new ArrayList<>();
+            byte[] buffer = new byte[PART_SIZE];
+            int bytesRead;
+            int partNumber = 1;
+
+            while ((bytesRead = inputStream.read(buffer)) > 0) {
+                // 创建上传请求
+                UploadPartRequest uploadRequest = new UploadPartRequest()
+                        .withBucketName(bucket)
+                        .withKey(path)
+                        .withUploadId(uploadId)
+                        .withPartNumber(partNumber)
+                        .withInputStream(new ByteArrayInputStream(buffer, 0, bytesRead))
+                        .withPartSize(bytesRead);
+
+                // 上传分片
+                UploadPartResult uploadResult = s3.uploadPart(uploadRequest);
+                partETags.add(uploadResult.getPartETag());
+
+                partNumber++;
+            }
+
+            // Step 3: 完成分片上传
+            CompleteMultipartUploadRequest compRequest = new CompleteMultipartUploadRequest(bucket, path, uploadId, partETags);
+            s3.completeMultipartUpload(compRequest);
+        } catch (IOException e) {
+            throw new ResourceIOException(e);
+        } finally {
+            ResourceIOUtils.close(inputStream);
+        }
+    }
 
     @Override
     public boolean createFile(String path) {
@@ -331,19 +391,16 @@ public class S3ResourceRepository extends BaseResourceRepository {
 
     @Override
     public boolean isDirectory(String path) {
-
-        if (path.endsWith(DELIMITER) && exist(path)) {
-            return true;
-        }
-        ObjectListing listing = s3.listObjects(bucket, path);
-        if (listing.getObjectSummaries().isEmpty()) {
-            return false;
-        }
-        if (listing.getObjectSummaries().size() > 1) {
-            return true;
+        if (path.endsWith(DELIMITER)) {
+            return exist(path);
         } else {
-            S3ObjectSummary summary = listing.getObjectSummaries().get(0);
-            return !StringKit.equals(listing.getPrefix(), summary.getKey());
+            ObjectListing listing = s3.listObjects(bucket, path);
+            List<S3ObjectSummary> objectSummaries = listing.getObjectSummaries();
+            if (objectSummaries.isEmpty()) {
+                return false;
+            }
+            String dirFormat = path + DELIMITER;
+            return objectSummaries.stream().anyMatch(s3ObjectSummary -> StringUtils.equals(s3ObjectSummary.getKey(), dirFormat));
         }
     }