diff --git a/plugin.xml b/plugin.xml
index 391efbf..0236b46 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>1.2.2</version>
+    <version>1.2.3</version>
     <env-version>10.0</env-version>
     <jartime>2020-01-27</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[
+        [2021-01-11]重写copy实现。<br/>
         [2020-12-16]修复远程设计新增、修改模板问题。<br/>
         [2020-10-29]修复连接不释放问题。<br/>
         [2020-08-17]修复key不存在时报错的问题。<br/>
diff --git a/src/main/java/com/fanruan/fs/s3/repository/core/S3RepositoryFactory.java b/src/main/java/com/fanruan/fs/s3/repository/core/S3RepositoryFactory.java
index 90e6600..0b7125e 100644
--- a/src/main/java/com/fanruan/fs/s3/repository/core/S3RepositoryFactory.java
+++ b/src/main/java/com/fanruan/fs/s3/repository/core/S3RepositoryFactory.java
@@ -5,10 +5,15 @@ 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.S3Object;
+import com.amazonaws.services.s3.model.S3ObjectInputStream;
 import com.fanruan.api.log.LogKit;
 import com.fr.io.base.provider.impl.ConfigRepositoryFactory;
 import com.fr.io.context.info.RepositoryProfile;
 import com.fr.io.repository.ResourceRepository;
+import com.fr.stable.AssistUtils;
+
+import java.io.IOException;
 
 /**
  * @author richie
@@ -18,6 +23,8 @@ import com.fr.io.repository.ResourceRepository;
 public class S3RepositoryFactory extends ConfigRepositoryFactory<S3Config> {
 
     static final String IDENTITY = "S3";
+    private static final String TEST_KEY = "test_key";
+    private static final String TEST_CONTENT = "test content";
 
     public S3RepositoryFactory() {
         super(IDENTITY);
@@ -40,16 +47,35 @@ public class S3RepositoryFactory extends ConfigRepositoryFactory<S3Config> {
             AmazonS3 s3 = AmazonS3ClientBuilder.standard()
                     .withEndpointConfiguration(new AwsClientBuilder.EndpointConfiguration(config.getEndPoint(), config.getRegion()))
                     .withCredentials(new AWSStaticCredentialsProvider(credentials)).build();
-            s3.listObjects(config.getBucket());
+            // listObjects方法存在问题,如果key中包含URL编码的内容,将会抛异常,修改为读写验证是否可用
+            s3.putObject(config.getBucket(), TEST_KEY, TEST_CONTENT);
+            try (S3Object object = s3.getObject(config.getBucket(), TEST_KEY)) {
+                final String content = getContent(object);
+                s3.deleteObject(config.getBucket(), TEST_KEY);
+                return AssistUtils.equals(TEST_CONTENT, content);
+            }
         } catch (Exception e) {
             LogKit.error(e.getMessage(), e);
             return false;
         }
-        return true;
     }
 
     @Override
     public ResourceRepository produce(String repoName, String workRoot, S3Config config) {
         return new S3ResourceRepository(repoName, workRoot, config);
     }
+
+    private String getContent(S3Object object) {
+        final StringBuilder stringBuilder = new StringBuilder();
+        try (S3ObjectInputStream objectContent = object.getObjectContent()) {
+            final byte[] bytes = new byte[4096];
+            int i = 0;
+            while ((i = objectContent.read(bytes)) > -1) {
+                stringBuilder.append(new String(bytes, 0, i));
+            }
+        } catch (IOException e) {
+            LogKit.error(e.getMessage(), e);
+        }
+        return stringBuilder.toString();
+    }
 }
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 5ab689b..540d27c 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
@@ -16,9 +16,13 @@ import com.amazonaws.services.s3.model.S3Object;
 import com.amazonaws.services.s3.model.S3ObjectSummary;
 import com.fanruan.api.log.LogKit;
 import com.fanruan.api.util.StringKit;
+import com.fr.common.util.Strings;
 import com.fr.io.repository.FineFileEntry;
 import com.fr.io.repository.base.BaseResourceRepository;
+import com.fr.stable.ArrayUtils;
+import com.fr.stable.AssistUtils;
 import com.fr.stable.Filter;
+import com.fr.stable.StableUtils;
 import com.fr.workspace.resource.ResourceIOException;
 
 import java.io.ByteArrayInputStream;
@@ -96,6 +100,35 @@ public class S3ResourceRepository extends BaseResourceRepository {
         return result.toArray(new FineFileEntry[0]);
     }
 
+    @Override
+    public boolean copy(String source, String target) throws ResourceIOException {
+        if (AssistUtils.equals(source, target)
+                || Strings.isEmpty(source)
+                || Strings.isEmpty(target)) {
+            return true;
+        }
+        boolean result = true;
+        if (this.isDirectory(source)) {
+            final String[] list = list(source);
+            if (!ArrayUtils.isEmpty(list)) {
+                for (String s : list) {
+                    String targetKey = StableUtils.pathJoin(target, s);
+                    String sourceKey = StableUtils.pathJoin(source, s);
+                    result = result && this.copy(sourceKey, targetKey);
+                }
+            }
+        } else {
+            try {
+                s3.copyObject(bucket, source, bucket, target);
+                return true;
+            } catch (Exception e) {
+                LogKit.error(e, "copy {} to {} failed, because : ", source, target, e.getMessage());
+                return false;
+            }
+        }
+        return result;
+    }
+
     private FineFileEntry s3Object2FileEntry(S3ObjectSummary s3Object, String path) {
         FineFileEntry entry = new FineFileEntry(path);
         entry.setDirectory(s3Object.getKey().endsWith("/"));