diff --git a/mall-ebtp-cloud-attachment-sdk/src/main/java/com/chinaunicom/ebtp/mall/cloud/attachment/sdk/api/AttachmentClient.java b/mall-ebtp-cloud-attachment-sdk/src/main/java/com/chinaunicom/ebtp/mall/cloud/attachment/sdk/api/AttachmentClient.java
index 94b377f..55acd69 100644
--- a/mall-ebtp-cloud-attachment-sdk/src/main/java/com/chinaunicom/ebtp/mall/cloud/attachment/sdk/api/AttachmentClient.java
+++ b/mall-ebtp-cloud-attachment-sdk/src/main/java/com/chinaunicom/ebtp/mall/cloud/attachment/sdk/api/AttachmentClient.java
@@ -18,7 +18,7 @@ public interface AttachmentClient {
 	/**
 	 * @return 创建业务ID
 	 */
-	Optional<Long> getBusinessId();
+	Optional<String> getBusinessId();
 
 	/**
 	 * 查询业务ID下的所有附件信息
@@ -61,6 +61,8 @@ public interface AttachmentClient {
 	 * @return
 	 */
 	Optional<UploadObject> upload(String businessId, File file);
+	Optional<UploadObject> upload(Long businessId, File file);
+
 
 	/**
 	 * 上传资源文件
@@ -70,5 +72,6 @@ public interface AttachmentClient {
 	 * @return
 	 */
 	Optional<UploadObject> upload(String businessId, String filename, byte[] array);
+	Optional<UploadObject> upload(Long businessId, String filename, byte[] array);
 
 }
diff --git a/mall-ebtp-cloud-attachment-sdk/src/main/java/com/chinaunicom/ebtp/mall/cloud/attachment/sdk/api/DefaultAttachmentClient.java b/mall-ebtp-cloud-attachment-sdk/src/main/java/com/chinaunicom/ebtp/mall/cloud/attachment/sdk/api/DefaultAttachmentClient.java
index dde498d..8258c35 100644
--- a/mall-ebtp-cloud-attachment-sdk/src/main/java/com/chinaunicom/ebtp/mall/cloud/attachment/sdk/api/DefaultAttachmentClient.java
+++ b/mall-ebtp-cloud-attachment-sdk/src/main/java/com/chinaunicom/ebtp/mall/cloud/attachment/sdk/api/DefaultAttachmentClient.java
@@ -34,7 +34,7 @@ public class DefaultAttachmentClient implements AttachmentClient {
 	 * 获取业务ID
 	 */
 	@Override
-	public Optional<Long> getBusinessId() {
+	public Optional<String> getBusinessId() {
 		Snowflake snowflake = queryService.getSnokflakId();
 
 		if (Objects.isNull(snowflake)) {
@@ -108,6 +108,11 @@ public class DefaultAttachmentClient implements AttachmentClient {
 		return Optional.ofNullable(new UploadObject().setId(feedback.getOid()));
 	}
 
+	@Override
+	public Optional<UploadObject> upload(Long businessId, File file) {
+		return upload(businessId.toString(), file);
+	}
+
 	/**
 	 * 上传附件
 	 * 
@@ -127,4 +132,9 @@ public class DefaultAttachmentClient implements AttachmentClient {
 		return Optional.ofNullable(new UploadObject().setId(feedback.getOid()));
 	}
 
+	@Override
+	public Optional<UploadObject> upload(Long businessId, String filename, byte[] array) {
+		return upload(businessId.toString(), filename, array);
+	}
+
 }
diff --git a/mall-ebtp-cloud-attachment-sdk/src/main/java/com/chinaunicom/ebtp/mall/cloud/attachment/sdk/model/Snowflake.java b/mall-ebtp-cloud-attachment-sdk/src/main/java/com/chinaunicom/ebtp/mall/cloud/attachment/sdk/model/Snowflake.java
index 8474557..f4c4a2c 100644
--- a/mall-ebtp-cloud-attachment-sdk/src/main/java/com/chinaunicom/ebtp/mall/cloud/attachment/sdk/model/Snowflake.java
+++ b/mall-ebtp-cloud-attachment-sdk/src/main/java/com/chinaunicom/ebtp/mall/cloud/attachment/sdk/model/Snowflake.java
@@ -5,6 +5,6 @@ import lombok.Data;
 @Data
 public class Snowflake {
 
-	private Long id;
+	private String id;
 	
 }