diff --git a/cmd/climc/shell/buckets.go b/cmd/climc/shell/buckets.go
index 59099ac5fe..9d2da9473f 100644
--- a/cmd/climc/shell/buckets.go
+++ b/cmd/climc/shell/buckets.go
@@ -1,10 +1,25 @@
+// Copyright 2019 Yunion
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package shell
 
 import (
-	"yunion.io/x/jsonutils"
-
 	"io"
 	"os"
+
+	"yunion.io/x/jsonutils"
+
 	"yunion.io/x/onecloud/pkg/mcclient"
 	"yunion.io/x/onecloud/pkg/mcclient/modules"
 	"yunion.io/x/onecloud/pkg/mcclient/options"
@@ -102,7 +117,7 @@ func init() {
 			return err
 		}
 
-		arrays, _ := result.(*jsonutils.JSONArray).GetArray()
+		arrays, _ := result.GetArray("objects")
 		listResult := modules.ListResult{Data: arrays}
 		printList(&listResult, []string{})
 		return nil
@@ -113,11 +128,22 @@ func init() {
 		KEYS []string `help:"List of objects to delete"`
 	}
 	R(&BucketDeleteObjectsOptions{}, "bucket-object-delete", "Delete objects in a bucket", func(s *mcclient.ClientSession, args *BucketDeleteObjectsOptions) error {
-		params, err := options.StructToParams(args)
+		params := jsonutils.Marshal(args)
+		result, err := modules.Buckets.PerformAction(s, args.ID, "delete", params)
 		if err != nil {
 			return err
 		}
-		result, err := modules.Buckets.PerformAction(s, args.ID, "delete", params)
+		printObject(result)
+		return nil
+	})
+
+	type BucketMakeDirOptions struct {
+		ID  string `help:"ID or name of bucket" json:"-"`
+		KEY string `help:"DIR key to create"`
+	}
+	R(&BucketMakeDirOptions{}, "bucket-mkdir", "Mkdir in a bucket", func(s *mcclient.ClientSession, args *BucketMakeDirOptions) error {
+		params := jsonutils.Marshal(args)
+		result, err := modules.Buckets.PerformAction(s, args.ID, "makedir", params)
 		if err != nil {
 			return err
 		}
diff --git a/cmd/climc/shell/cloudaccounts.go b/cmd/climc/shell/cloudaccounts.go
index fcf385f25b..f7d6428e9c 100644
--- a/cmd/climc/shell/cloudaccounts.go
+++ b/cmd/climc/shell/cloudaccounts.go
@@ -178,6 +178,17 @@ func init() {
 		return nil
 	})
 
+	R(&options.SS3CloudAccountCreateOptions{}, "cloud-account-create-s3", "Create a generaic S3 object storage account", func(s *mcclient.ClientSession, args *options.SS3CloudAccountCreateOptions) error {
+		params := jsonutils.Marshal(args)
+		params.(*jsonutils.JSONDict).Add(jsonutils.NewString("S3"), "provider")
+		result, err := modules.Cloudaccounts.Create(s, params)
+		if err != nil {
+			return err
+		}
+		printObject(result)
+		return nil
+	})
+
 	type CloudaccountUpdateOptions struct {
 		ID        string `help:"ID or Name of cloud account"`
 		Name      string `help:"New name to update"`
@@ -316,6 +327,19 @@ func init() {
 		return nil
 	})
 
+	R(&options.SUcloudCloudAccountUpdateOptions{}, "cloud-account-update-ucloud", "update a Ucloud cloud account", func(s *mcclient.ClientSession, args *options.SUcloudCloudAccountUpdateOptions) error {
+		params := jsonutils.Marshal(args).(*jsonutils.JSONDict)
+		if params.Size() == 0 {
+			return InvalidUpdateError()
+		}
+		result, err := modules.Cloudaccounts.Update(s, args.ID, params)
+		if err != nil {
+			return err
+		}
+		printObject(result)
+		return nil
+	})
+
 	R(&options.SZStackCloudAccountUpdateOptions{}, "cloud-account-update-zstack", "update a ZStack cloud account", func(s *mcclient.ClientSession, args *options.SZStackCloudAccountUpdateOptions) error {
 		params := jsonutils.Marshal(args).(*jsonutils.JSONDict)
 		if params.Size() == 0 {
@@ -329,6 +353,19 @@ func init() {
 		return nil
 	})
 
+	R(&options.SS3CloudAccountUpdateOptions{}, "cloud-account-update-s3", "update a generic S3 cloud account", func(s *mcclient.ClientSession, args *options.SS3CloudAccountUpdateOptions) error {
+		params := jsonutils.Marshal(args).(*jsonutils.JSONDict)
+		if params.Size() == 0 {
+			return InvalidUpdateError()
+		}
+		result, err := modules.Cloudaccounts.Update(s, args.ID, params)
+		if err != nil {
+			return err
+		}
+		printObject(result)
+		return nil
+	})
+
 	type CloudaccountShowOptions struct {
 		ID string `help:"ID or Name of cloud account"`
 	}
@@ -483,6 +520,36 @@ func init() {
 		return nil
 	})
 
+	R(&options.SUcloudCloudAccountUpdateCredentialOptions{}, "cloud-account-update-credential-ucloud", "Update credential of a Ucloud cloud account", func(s *mcclient.ClientSession, args *options.SUcloudCloudAccountUpdateCredentialOptions) error {
+		params := jsonutils.Marshal(args)
+		result, err := modules.Cloudaccounts.PerformAction(s, args.ID, "update-credential", params)
+		if err != nil {
+			return err
+		}
+		printObject(result)
+		return nil
+	})
+
+	R(&options.SZStackCloudAccountUpdateCredentialOptions{}, "cloud-account-update-credential-zstack", "Update credential of a ZStack cloud account", func(s *mcclient.ClientSession, args *options.SZStackCloudAccountUpdateCredentialOptions) error {
+		params := jsonutils.Marshal(args)
+		result, err := modules.Cloudaccounts.PerformAction(s, args.ID, "update-credential", params)
+		if err != nil {
+			return err
+		}
+		printObject(result)
+		return nil
+	})
+
+	R(&options.SS3CloudAccountUpdateCredentialOptions{}, "cloud-account-update-credential-s3", "Update credential of a generic S3 cloud account", func(s *mcclient.ClientSession, args *options.SS3CloudAccountUpdateCredentialOptions) error {
+		params := jsonutils.Marshal(args)
+		result, err := modules.Cloudaccounts.PerformAction(s, args.ID, "update-credential", params)
+		if err != nil {
+			return err
+		}
+		printObject(result)
+		return nil
+	})
+
 	type CloudaccountSyncOptions struct {
 		ID       string   `help:"ID or Name of cloud account"`
 		Force    bool     `help:"Force sync no matter what"`
diff --git a/cmd/s3cli/main.go b/cmd/s3cli/main.go
index 7116deea50..abaf54d531 100644
--- a/cmd/s3cli/main.go
+++ b/cmd/s3cli/main.go
@@ -1,3 +1,17 @@
+// Copyright 2019 Yunion
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package main
 
 import (
diff --git a/cmd/s3gateway/main.go b/cmd/s3gateway/main.go
index 0b29160c4b..6a149d9e51 100644
--- a/cmd/s3gateway/main.go
+++ b/cmd/s3gateway/main.go
@@ -1,3 +1,17 @@
+// Copyright 2019 Yunion
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package main
 
 import (
diff --git a/docs/bucket/bucket.yaml b/docs/bucket/bucket.yaml
new file mode 100644
index 0000000000..2887840117
--- /dev/null
+++ b/docs/bucket/bucket.yaml
@@ -0,0 +1,40 @@
+get:
+  summary: 获得指定对象存储桶的详情
+  parameters:
+    - $ref: '../parameters/bucket.yaml#/bucket_name'
+  responses:
+    200:
+      description: 对象存储桶信息
+      schema:
+        $ref: "../schemas/bucket.yaml#/BucketGetResponse"
+  tags:
+    - buckets
+
+put:
+  summary: 更新指定对象存储桶的信息
+  parameters:
+    - $ref: '../parameters/bucket.yaml#/bucket_name'
+    - name: bucket
+      in: body
+      required: true
+      schema:
+        $ref: "../schemas/bucket.yaml#/BucketPutRequestInput"
+  responses:
+    200:
+      description: 对象存储桶信息
+      schema:
+        $ref: "../schemas/bucket.yaml#/BucketGetResponse"
+  tags:
+    - buckets
+
+delete:
+  summary: 删除指定的对象存储桶
+  parameters:
+    - $ref: '../parameters/bucket.yaml#/bucket_name'
+  responses:
+    200:
+      description: 被删除的对象存储桶信息
+      schema:
+        $ref: "../schemas/bucket.yaml#/BucketGetResponse"
+  tags:
+    - buckets
diff --git a/docs/bucket/buckets.yaml b/docs/bucket/buckets.yaml
new file mode 100644
index 0000000000..8cea76367a
--- /dev/null
+++ b/docs/bucket/buckets.yaml
@@ -0,0 +1,32 @@
+get:
+  summary: 按指定条件列出对象存储桶
+  parameters:
+    - $ref: '../parameters/common.yaml#/offset'
+    - $ref: '../parameters/common.yaml#/limit'
+    - $ref: '../parameters/common.yaml#/provider'
+    - $ref: '../parameters/common.yaml#/brand'
+    - $ref: '../parameters/common.yaml#/region'
+    - $ref: '../parameters/common.yaml#/account'
+  responses:
+    200:
+      description: 对象存储桶列表信息
+      schema:
+        $ref: "../schemas/bucket.yaml#/BucketListResponse"
+  tags:
+    - buckets
+
+post:
+  summary: 新建对象存储桶
+  parameters:
+    - name: bucket
+      in: body
+      required: true
+      schema:
+        $ref: "../schemas/bucket.yaml#/BucketCreateInput"
+  response:
+    200:
+      description: 对象存储桶信息
+      schema:
+        $ref: "../schemas/bucket.yaml#/BucketGetResponse"
+  tags:
+    - buckets
diff --git a/docs/bucket/deleteobjects.yaml b/docs/bucket/deleteobjects.yaml
new file mode 100644
index 0000000000..387d965e95
--- /dev/null
+++ b/docs/bucket/deleteobjects.yaml
@@ -0,0 +1,16 @@
+post:
+  summary: 删除指定桶下的指定对象
+  parameters:
+    - $ref: '../parameters/bucket.yaml#/bucket_name'
+    - name: bucket
+      in: body
+      required: true
+      schema:
+        $ref: "../schemas/bucket.yaml#/BucketObjectDeleteInput"
+  responses:
+    200:
+      description: 对象删除结果
+      schema:
+        $ref: "../schemas/bucket.yaml#/BucketObjectDeleteResponse"
+  tags:
+    - buckets
diff --git a/docs/bucket/listobjects.yaml b/docs/bucket/listobjects.yaml
new file mode 100644
index 0000000000..e48e8e9213
--- /dev/null
+++ b/docs/bucket/listobjects.yaml
@@ -0,0 +1,13 @@
+get:
+  summary: 获得指定对象存储桶的对象列表
+  parameters:
+    - $ref: '../parameters/bucket.yaml#/bucket_name'
+    - $ref: '../parameters/bucket.yaml#/prefix'
+    - $ref: '../parameters/bucket.yaml#/recursive'
+  responses:
+    200:
+      description: 对象存储桶的对象列表信息
+      schema:
+        $ref: "../schemas/bucket.yaml#/BucketObjectListResponse"
+  tags:
+    - buckets
diff --git a/docs/bucket/makedir.yaml b/docs/bucket/makedir.yaml
new file mode 100644
index 0000000000..c810dcbc81
--- /dev/null
+++ b/docs/bucket/makedir.yaml
@@ -0,0 +1,14 @@
+post:
+  summary: 创建一个大小为0的对象，用来做目录的占位
+  parameters:
+    - $ref: '../parameters/bucket.yaml#/bucket_name'
+    - name: bucket
+      in: body
+      required: true
+      schema:
+        $ref: "../schemas/bucket.yaml#/BucketMakedirInput"
+  responses:
+    200:
+      description: 创建成功
+  tags:
+    - buckets
diff --git a/docs/bucket/tempurl.yaml b/docs/bucket/tempurl.yaml
new file mode 100644
index 0000000000..1c2a2af173
--- /dev/null
+++ b/docs/bucket/tempurl.yaml
@@ -0,0 +1,16 @@
+post:
+  summary: 生成访问指定对象的临时URL
+  parameters:
+    - $ref: '../parameters/bucket.yaml#/bucket_name'
+    - name: bucket
+      in: body
+      required: true
+      schema:
+        $ref: "../schemas/bucket.yaml#/BucketObjectTempUrlInput"
+  responses:
+    200:
+      description: 指定对象的临时URL响应
+      schema:
+        $ref: "../schemas/bucket.yaml#/BucketObjectTempUrlResponse"
+  tags:
+    - buckets
diff --git a/docs/bucket/uploadobject.yaml b/docs/bucket/uploadobject.yaml
new file mode 100644
index 0000000000..17c58f4a9e
--- /dev/null
+++ b/docs/bucket/uploadobject.yaml
@@ -0,0 +1,12 @@
+post:
+  summary: 上传对象
+  parameters:
+    - $ref: "../parameters/bucket.yaml#/bucket_name"
+    - $ref: "../parameters/bucket.yaml#/x-bucket-object-key"
+    - $ref: "../parameters/bucket.yaml#/x-bucket-content-type"
+    - $ref: "../parameters/bucket.yaml#/x-bucket-storage-class"
+  responses:
+    200:
+      description: 上传成功
+  tags:
+    - buckets
diff --git a/docs/image/image.yaml b/docs/image/image.yaml
index c70f209fba..f35e0149b2 100644
--- a/docs/image/image.yaml
+++ b/docs/image/image.yaml
@@ -107,6 +107,7 @@ put:
         $ref: "../schemas/image.yaml#/ImageResponse"
   tags:
     - images 
+
 get:
   parameters:
     - in: query
diff --git a/docs/index.yaml b/docs/index.yaml
index e85b80c329..1767c76fb7 100644
--- a/docs/index.yaml
+++ b/docs/index.yaml
@@ -353,3 +353,18 @@ paths:
     $ref: "./networkinterface/networkinterfaces.yaml"
   /networkinterfaces/{networkinterfaceId}:
     $ref: "./networkinterface/networkinterface.yaml"
+
+  /buckets:
+    $ref: "./bucket/buckets.yaml"
+  /buckets/{bucketName}:
+    $ref: "./bucket/bucket.yaml"
+  /buckets/{bucketName}/objects:
+    $ref: "./bucket/listobjects.yaml"
+  /buckets/{bucketName}/delete:
+    $ref: "./bucket/deleteobjects.yaml"
+  /buckets/{bucketName}/makedir:
+    $ref: "./bucket/makedir.yaml"
+  /buckets/{bucketName}/upload:
+    $ref: "./bucket/uploadobject.yaml"
+  /buckets/{bucketName}/tempurl:
+    $ref: "./bucket/tempurl.yaml"
diff --git a/docs/parameters/bucket.yaml b/docs/parameters/bucket.yaml
new file mode 100644
index 0000000000..aee480aa02
--- /dev/null
+++ b/docs/parameters/bucket.yaml
@@ -0,0 +1,36 @@
+bucket_name:
+  name: bucket_name
+  type: string
+  required: true
+  in: path
+  description: 存储桶的名称
+
+prefix:
+  name: prefix
+  type: string
+  in: query
+  description: 对象的前缀过滤
+
+recursive:
+  name: recursive
+  type: bool
+  in: query
+  description: 是否展开对象列表，false则只显示当前目录层级下的对象，true则显示匹配前缀的所有对象
+
+x-bucket-object-key:
+  name: x-bucket-object-key
+  type: string
+  in: header
+  description: 对象的key
+
+x-bucket-content-type:
+  name: x-bucket-content-type
+  type: string
+  in: header
+  description: 对象的content-type
+
+x-bucket-storage-class:
+  name: x-bucket-storage-class
+  type: string
+  in: header
+  description: 对象的storage_class
diff --git a/docs/schemas/bucket.yaml b/docs/schemas/bucket.yaml
new file mode 100644
index 0000000000..3d58f4654d
--- /dev/null
+++ b/docs/schemas/bucket.yaml
@@ -0,0 +1,175 @@
+BucketListResponse:
+  type: object
+  properties:
+    limit:
+      type: integer
+      example: 20
+    offset:
+      type: integer
+      example: 0
+    total:
+      type: integer
+      description: 总量
+    buckets:
+      type: array
+      items:
+        $ref: "#/Bucket"
+
+BucketObjectListResponse:
+  type: object
+  properties:
+    bucket:
+      type: object
+      properties:
+        objects:
+          type: array
+          items:
+            $ref: '#/BucketObject'
+
+BucketObject:
+  type: object
+  properties:
+    key:
+      type: string
+      description: 对象的key, 如果key以"/"结尾，则该key一般是目录占位对象
+    size_bytes:
+      type: integer
+      description: 对象大小
+    last_modified:
+      type: string
+      description: 该对象的最近修改时间
+    etag:
+      type: string
+      description: 该对象的md5 checksum
+    storage_class:
+      type: string
+      description: 该对象的存储等级字符串
+
+BucketGetResponse:
+  type: object
+  properties:
+    bucket:
+      type: object
+      $ref: "#/Bucket"
+
+BucketPutRequestInput:
+  type: object
+  properties:
+    name:
+      type: string
+      description: 存储桶的名称
+    description:
+      type: string
+      description: 存储桶的描述
+
+BucketCreateInput:
+  type: object
+  properties:
+    name:
+      type: string
+      required: true
+      description:  存储桶的名称
+    cloudregion:
+      type: string
+      required: true
+      description: 存储桶所在cloudregion的名称或ID，对于on premise的通用s3存储，cloudregion为default
+    manager:
+      type: string
+      required: true
+      description: 存储桶归属的账号订阅(cloudprovider)的名称或ID
+    storage_class:
+      type: string
+      description: 存储桶的存储类型，可能值为：standard, ia和archive
+    description:
+      type: string
+      description: 存储桶的描述
+
+Bucket:
+  type: object
+  description: 存储桶的描述信息
+  properties:
+    id:
+      type: string
+      description: 存储桶的ID
+      readOnly: true
+    name:
+      type: string
+      description: 对象存储桶的名称，全局唯一。并且名字唯一性受到所在云供应商的桶名字空间唯一性的约束。
+    can_delete:
+      type: boolean
+      description: 是否可以删除
+    storage_class:
+      type: string
+      description: 存储桶的默认存储类型
+    tenant_id:
+      type: string
+      description: 存储桶归属的项目ID
+    domain_id:
+      type: string
+      description: 存储桶归属的项目的域ID
+    location:
+      type: string
+      description: 存储桶的所在区域信息
+    account_id:
+      type: string
+      description: 存储桶的云账号的ID
+
+BucketObjectDeleteInput:
+  type: object
+  properties:
+    keys:
+      type: array
+      items:
+        type: string
+        description: 待删除的对象Key
+
+BucketObjectDeleteResponse:
+  type: object
+  properties:
+    bucket:
+      type: array
+      items:
+        $ref: ""
+
+BucketObjectDeleteInfo:
+  type: object
+  properties:
+    id:
+      type: string
+      description: 对象key
+    status:
+      type: integer
+      description: 删除结果，200为成功，400为失败
+    data:
+      type: string
+      description: 如果status为400，则data为错误原因
+
+BucketObjectTempUrlInput:
+  type: object
+  properties:
+    key:
+      type: string
+      description: 对象key
+    method:
+      type: string
+      description: 请求对象的HTTP方法，例如：GET|PUT|DELETE
+    expire_seconds:
+      type: integer
+      description: 该临时URL的超时时间，单位为秒
+
+BucketObjectTempUrlResponse:
+  type: object
+  properties:
+    bucket:
+      type: object
+      properties:
+        url:
+          type: string
+          description: 生成的临时URL
+
+BucketMakedirInput:
+  type: object
+  properties:
+    key:
+      type: string
+      description: 目录的名称，必需以"/"结尾
diff --git a/pkg/apis/compute/bucket.go b/pkg/apis/compute/bucket.go
index 44ed26491b..b03ff11fdc 100644
--- a/pkg/apis/compute/bucket.go
+++ b/pkg/apis/compute/bucket.go
@@ -1,3 +1,17 @@
+// Copyright 2019 Yunion
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package compute
 
 const (
diff --git a/pkg/apis/s3gateway/consts.go b/pkg/apis/s3gateway/consts.go
index 9042c56a4a..4c3500436d 100644
--- a/pkg/apis/s3gateway/consts.go
+++ b/pkg/apis/s3gateway/consts.go
@@ -1,3 +1,17 @@
+// Copyright 2019 Yunion
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package s3gateway
 
 const (
diff --git a/pkg/apis/s3gateway/doc.go b/pkg/apis/s3gateway/doc.go
index c040a40a81..ebeea0ded5 100644
--- a/pkg/apis/s3gateway/doc.go
+++ b/pkg/apis/s3gateway/doc.go
@@ -1 +1,15 @@
+// Copyright 2019 Yunion
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package s3gateway // import "yunion.io/x/onecloud/pkg/apis/s3gateway"
diff --git a/pkg/cloudprovider/objectstore.go b/pkg/cloudprovider/objectstore.go
index cfc1e8a0cf..54e8807c60 100644
--- a/pkg/cloudprovider/objectstore.go
+++ b/pkg/cloudprovider/objectstore.go
@@ -1,3 +1,17 @@
+// Copyright 2019 Yunion
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package cloudprovider
 
 import (
@@ -44,7 +58,7 @@ type ICloudBucket interface {
 
 	ListObjects(prefix string, marker string, delimiter string, maxCount int) (SListObjectResult, error)
 	GetIObjects(prefix string, isRecursive bool) ([]ICloudObject, error)
-	PutObject(ctx context.Context, key string, input io.ReadSeeker, contType string, storageClass string) error
+	PutObject(ctx context.Context, key string, input io.Reader, contType string, storageClass string) error
 	DeleteObject(ctx context.Context, keys string) error
 	GetTempUrl(method string, key string, expire time.Duration) (string, error)
 	// ObjectExist(key string) (bool, error)
diff --git a/pkg/compute/models/buckets.go b/pkg/compute/models/buckets.go
index d38b521976..4e8534d4ef 100644
--- a/pkg/compute/models/buckets.go
+++ b/pkg/compute/models/buckets.go
@@ -1,3 +1,17 @@
+// Copyright 2019 Yunion
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package models
 
 import (
@@ -15,7 +29,6 @@ import (
 	"yunion.io/x/pkg/util/compare"
 	"yunion.io/x/sqlchemy"
 
-	"io"
 	api "yunion.io/x/onecloud/pkg/apis/compute"
 	"yunion.io/x/onecloud/pkg/appsrv"
 	"yunion.io/x/onecloud/pkg/cloudcommon/db"
@@ -271,15 +284,19 @@ func (bucket *SBucket) GetRegion() (*SCloudregion, error) {
 }
 
 func (bucket *SBucket) GetIRegion() (cloudprovider.ICloudRegion, error) {
-	region, err := bucket.GetRegion()
-	if err != nil {
-		return nil, errors.Wrap(err, "bucket.GetRegion")
-	}
 	provider, err := bucket.GetDriver()
 	if err != nil {
 		return nil, err
 	}
-	return provider.GetIRegionById(region.GetExternalId())
+	if provider.GetFactory().IsOnPremise() {
+		return provider.GetOnPremiseIRegion()
+	} else {
+		region, err := bucket.GetRegion()
+		if err != nil {
+			return nil, errors.Wrap(err, "bucket.GetRegion")
+		}
+		return provider.GetIRegionById(region.GetExternalId())
+	}
 }
 
 func (bucket *SBucket) GetIBucket() (cloudprovider.ICloudBucket, error) {
@@ -452,7 +469,9 @@ func (bucket *SBucket) GetDetailsObjects(
 	for i := range objects {
 		retArray.Add(jsonutils.Marshal(cloudprovider.ICloudObject2BaseCloudObject(objects[i])))
 	}
-	return retArray, nil
+	ret := jsonutils.NewDict()
+	ret.Add(retArray, "objects")
+	return ret, nil
 }
 
 func (bucket *SBucket) AllowPerformTempUrl(ctx context.Context,
@@ -600,7 +619,7 @@ func (bucket *SBucket) PerformUpload(
 
 	contType := appParams.Request.Header.Get("Content-Type")
 	storageClass := appParams.Request.Header.Get(api.BUCKET_UPLOAD_OBJECT_STORAGECLASS_HEADER)
-	err = iBucket.PutObject(ctx, key, appParams.Request.Body.(io.ReadSeeker), contType, storageClass)
+	err = iBucket.PutObject(ctx, key, appParams.Request.Body, contType, storageClass)
 	if err != nil {
 		return nil, httperrors.NewInternalServerError("put object error %s", err)
 	}
diff --git a/pkg/compute/service/service.go b/pkg/compute/service/service.go
index 05b892c466..f329cdf7b2 100644
--- a/pkg/compute/service/service.go
+++ b/pkg/compute/service/service.go
@@ -34,6 +34,7 @@ import (
 	_ "yunion.io/x/onecloud/pkg/compute/regiondrivers"
 	_ "yunion.io/x/onecloud/pkg/compute/storagedrivers"
 	_ "yunion.io/x/onecloud/pkg/compute/tasks"
+	_ "yunion.io/x/onecloud/pkg/multicloud/objectstore/provider"
 	_ "yunion.io/x/onecloud/pkg/util/aliyun/provider"
 	_ "yunion.io/x/onecloud/pkg/util/aws/provider"
 	_ "yunion.io/x/onecloud/pkg/util/azure/provider"
diff --git a/pkg/compute/tasks/bucket_create_task.go b/pkg/compute/tasks/bucket_create_task.go
index 0c82899ee8..32ec6acb80 100644
--- a/pkg/compute/tasks/bucket_create_task.go
+++ b/pkg/compute/tasks/bucket_create_task.go
@@ -1,3 +1,17 @@
+// Copyright 2019 Yunion
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package tasks
 
 import (
diff --git a/pkg/compute/tasks/bucket_delete_task.go b/pkg/compute/tasks/bucket_delete_task.go
index 1a02865bc4..86a059ae06 100644
--- a/pkg/compute/tasks/bucket_delete_task.go
+++ b/pkg/compute/tasks/bucket_delete_task.go
@@ -1,3 +1,17 @@
+// Copyright 2019 Yunion
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package tasks
 
 import (
diff --git a/pkg/hostman/hostdeployer/apis/deploy.pb.go b/pkg/hostman/hostdeployer/apis/deploy.pb.go
index 08c431d5c4..e420bc0600 100644
--- a/pkg/hostman/hostdeployer/apis/deploy.pb.go
+++ b/pkg/hostman/hostdeployer/apis/deploy.pb.go
@@ -1,3 +1,17 @@
+// Copyright 2019 Yunion
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 // Code generated by protoc-gen-go. DO NOT EDIT.
 // source: deploy.proto
 
diff --git a/pkg/mcclient/options/cloudaccounts.go b/pkg/mcclient/options/cloudaccounts.go
index 8bb723b14f..0f1350e43f 100644
--- a/pkg/mcclient/options/cloudaccounts.go
+++ b/pkg/mcclient/options/cloudaccounts.go
@@ -131,6 +131,12 @@ type SZStackCloudAccountCreateOptions struct {
 	AuthURL string `help:"ZStack auth_url" positional:"true" json:"auth_url"`
 }
 
+type SS3CloudAccountCreateOptions struct {
+	SCloudAccountCreateBaseOptions
+	SAccessKeyCredential
+	Endpoint string `help:"S3 endpoint" poisitional:"true" json:"endpoint"`
+}
+
 // update credential options
 
 type SCloudAccountUpdateCredentialBaseOptions struct {
@@ -172,6 +178,21 @@ type SHuaweiCloudAccountUpdateCredentialOptions struct {
 	SAccessKeyCredential
 }
 
+type SUcloudCloudAccountUpdateCredentialOptions struct {
+	SCloudAccountUpdateCredentialBaseOptions
+	SAccessKeyCredential
+}
+
+type SZStackCloudAccountUpdateCredentialOptions struct {
+	SCloudAccountUpdateCredentialBaseOptions
+	SUserPasswordCredential
+}
+
+type SS3CloudAccountUpdateCredentialOptions struct {
+	SCloudAccountUpdateCredentialBaseOptions
+	SAccessKeyCredential
+}
+
 // update
 
 type SCloudAccountUpdateBaseOptions struct {
@@ -218,7 +239,14 @@ type SHuaweiCloudAccountUpdateOptions struct {
 	SCloudAccountUpdateBaseOptions
 }
 
+type SUcloudCloudAccountUpdateOptions struct {
+	SCloudAccountUpdateBaseOptions
+}
+
 type SZStackCloudAccountUpdateOptions struct {
 	SCloudAccountUpdateBaseOptions
-	SUserPasswordCredential
+}
+
+type SS3CloudAccountUpdateOptions struct {
+	SCloudAccountUpdateBaseOptions
 }
diff --git a/pkg/multicloud/no_storage_region.go b/pkg/multicloud/no_storage_region.go
index cee40885f3..2e0d6f7761 100644
--- a/pkg/multicloud/no_storage_region.go
+++ b/pkg/multicloud/no_storage_region.go
@@ -1,3 +1,17 @@
+// Copyright 2019 Yunion
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package multicloud
 
 import "yunion.io/x/onecloud/pkg/cloudprovider"
diff --git a/pkg/multicloud/objectstore/buckets.go b/pkg/multicloud/objectstore/buckets.go
index c91ffe11dd..70924d03c7 100644
--- a/pkg/multicloud/objectstore/buckets.go
+++ b/pkg/multicloud/objectstore/buckets.go
@@ -1,3 +1,17 @@
+// Copyright 2019 Yunion
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package objectstore
 
 import (
@@ -102,7 +116,7 @@ func (bucket *SBucket) GetIObjects(prefix string, isRecursive bool) ([]cloudprov
 	return ret, nil
 }
 
-func (bucket *SBucket) PutObject(ctx context.Context, key string, input io.ReadSeeker, contType string, storageClass string) error {
+func (bucket *SBucket) PutObject(ctx context.Context, key string, input io.Reader, contType string, storageClass string) error {
 	opts := minio.PutObjectOptions{}
 	if len(contType) > 0 {
 		opts.ContentType = contType
diff --git a/pkg/multicloud/objectstore/doc.go b/pkg/multicloud/objectstore/doc.go
index 1dff29c7f6..1f75c24a3a 100644
--- a/pkg/multicloud/objectstore/doc.go
+++ b/pkg/multicloud/objectstore/doc.go
@@ -1 +1,15 @@
+// Copyright 2019 Yunion
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package objectstore // import "yunion.io/x/onecloud/pkg/multicloud/objectstore"
diff --git a/pkg/multicloud/objectstore/object.go b/pkg/multicloud/objectstore/object.go
index 61eb78f264..23cd1c0b0a 100644
--- a/pkg/multicloud/objectstore/object.go
+++ b/pkg/multicloud/objectstore/object.go
@@ -1,3 +1,17 @@
+// Copyright 2019 Yunion
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package objectstore
 
 import (
diff --git a/pkg/multicloud/objectstore/objectstore.go b/pkg/multicloud/objectstore/objectstore.go
index 59e0bad569..bcd9e209b5 100644
--- a/pkg/multicloud/objectstore/objectstore.go
+++ b/pkg/multicloud/objectstore/objectstore.go
@@ -1,15 +1,29 @@
+// Copyright 2019 Yunion
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package objectstore
 
 import (
 	"net/url"
+	"time"
 
 	"github.com/minio/minio-go"
-	"github.com/pkg/errors"
 
 	"yunion.io/x/jsonutils"
+	"yunion.io/x/pkg/errors"
 	"yunion.io/x/pkg/util/secrules"
 
-	"time"
 	api "yunion.io/x/onecloud/pkg/apis/compute"
 	"yunion.io/x/onecloud/pkg/cloudcommon/object"
 	"yunion.io/x/onecloud/pkg/cloudprovider"
diff --git a/pkg/multicloud/objectstore/provider/doc.go b/pkg/multicloud/objectstore/provider/doc.go
index ed4a02e131..2ce176816e 100644
--- a/pkg/multicloud/objectstore/provider/doc.go
+++ b/pkg/multicloud/objectstore/provider/doc.go
@@ -1 +1,15 @@
+// Copyright 2019 Yunion
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package provider // import "yunion.io/x/onecloud/pkg/multicloud/objectstore/provider"
diff --git a/pkg/multicloud/objectstore/provider/provider.go b/pkg/multicloud/objectstore/provider/provider.go
index ee3cb5869e..ae07687fe8 100644
--- a/pkg/multicloud/objectstore/provider/provider.go
+++ b/pkg/multicloud/objectstore/provider/provider.go
@@ -39,13 +39,13 @@ func (self *SObjectStoreProviderFactory) GetName() string {
 }
 
 func (self *SObjectStoreProviderFactory) ValidateCreateCloudaccountData(ctx context.Context, userCred mcclient.TokenCredential, data *jsonutils.JSONDict) error {
-	accessKeyID, _ := data.GetString("access_key")
+	accessKeyID, _ := data.GetString("access_key_id")
 	if len(accessKeyID) == 0 {
-		return httperrors.NewMissingParameterError("access_key")
+		return httperrors.NewMissingParameterError("access_key_id")
 	}
-	accessKeySecret, _ := data.GetString("secret_key")
+	accessKeySecret, _ := data.GetString("access_key_secret")
 	if len(accessKeySecret) == 0 {
-		return httperrors.NewMissingParameterError("secret_key")
+		return httperrors.NewMissingParameterError("access_key_secret")
 	}
 	endpointURL, _ := data.GetString("endpoint")
 	if len(endpointURL) == 0 {
@@ -53,18 +53,18 @@ func (self *SObjectStoreProviderFactory) ValidateCreateCloudaccountData(ctx cont
 	}
 	data.Set("account", jsonutils.NewString(accessKeyID))
 	data.Set("secret", jsonutils.NewString(accessKeySecret))
-	data.Set("url", jsonutils.NewString(endpointURL))
+	data.Set("access_url", jsonutils.NewString(endpointURL))
 	return nil
 }
 
 func (self *SObjectStoreProviderFactory) ValidateUpdateCloudaccountCredential(ctx context.Context, userCred mcclient.TokenCredential, data jsonutils.JSONObject, cloudaccount string) (*cloudprovider.SCloudaccount, error) {
-	accessKeyID, _ := data.GetString("access_key")
+	accessKeyID, _ := data.GetString("access_key_id")
 	if len(accessKeyID) == 0 {
-		return nil, httperrors.NewMissingParameterError("access_key")
+		return nil, httperrors.NewMissingParameterError("access_key_id")
 	}
-	accessKeySecret, _ := data.GetString("secret_key")
+	accessKeySecret, _ := data.GetString("access_key_secret")
 	if len(accessKeySecret) == 0 {
-		return nil, httperrors.NewMissingParameterError("secret_key")
+		return nil, httperrors.NewMissingParameterError("access_key_secret")
 	}
 	account := &cloudprovider.SCloudaccount{
 		Account: accessKeyID,
diff --git a/pkg/multicloud/objectstore/shell.go b/pkg/multicloud/objectstore/shell.go
index 9486454984..e02c9d3708 100644
--- a/pkg/multicloud/objectstore/shell.go
+++ b/pkg/multicloud/objectstore/shell.go
@@ -1,3 +1,17 @@
+// Copyright 2019 Yunion
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package objectstore
 
 import (
@@ -63,7 +77,7 @@ func S3Shell() {
 			return err
 		}
 		if result.IsTruncated {
-			fmt.Println("NextMarker: %s IsTruncated: %v", result.NextMarker, result.IsTruncated)
+			fmt.Printf("NextMarker: %s IsTruncated: %v\n", result.NextMarker, result.IsTruncated)
 		}
 		fmt.Println("Common prefixes:")
 		printutils.PrintGetterList(result.CommonPrefixes, []string{"key", "size_bytes"})
diff --git a/pkg/multicloud/objectstore/shell/bucket.go b/pkg/multicloud/objectstore/shell/bucket.go
index df5a4c18fa..f44f1c4081 100644
--- a/pkg/multicloud/objectstore/shell/bucket.go
+++ b/pkg/multicloud/objectstore/shell/bucket.go
@@ -1,3 +1,17 @@
+// Copyright 2019 Yunion
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package shell
 
 import "yunion.io/x/onecloud/pkg/multicloud/objectstore"
diff --git a/pkg/multicloud/objectstore/shell/doc.go b/pkg/multicloud/objectstore/shell/doc.go
index 02f653e99c..48acf30c38 100644
--- a/pkg/multicloud/objectstore/shell/doc.go
+++ b/pkg/multicloud/objectstore/shell/doc.go
@@ -1 +1,15 @@
+// Copyright 2019 Yunion
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package shell // import "yunion.io/x/onecloud/pkg/multicloud/objectstore/shell"
diff --git a/pkg/multicloud/objectstore/shell/printutils.go b/pkg/multicloud/objectstore/shell/printutils.go
index 1fbb2cdfbb..94b9f1fc45 100644
--- a/pkg/multicloud/objectstore/shell/printutils.go
+++ b/pkg/multicloud/objectstore/shell/printutils.go
@@ -1,3 +1,17 @@
+// Copyright 2019 Yunion
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package shell
 
 import "yunion.io/x/onecloud/pkg/util/printutils"
diff --git a/pkg/s3gateway/models/doc.go b/pkg/s3gateway/models/doc.go
index 34a9313299..ebefc3d149 100644
--- a/pkg/s3gateway/models/doc.go
+++ b/pkg/s3gateway/models/doc.go
@@ -1 +1,15 @@
+// Copyright 2019 Yunion
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package models // import "yunion.io/x/onecloud/pkg/s3gateway/models"
diff --git a/pkg/s3gateway/models/initdb.go b/pkg/s3gateway/models/initdb.go
index 04b39991a6..358ff3535b 100644
--- a/pkg/s3gateway/models/initdb.go
+++ b/pkg/s3gateway/models/initdb.go
@@ -1,3 +1,17 @@
+// Copyright 2019 Yunion
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package models
 
 import (
diff --git a/pkg/s3gateway/options/doc.go b/pkg/s3gateway/options/doc.go
index 64521a2764..05900f9a10 100644
--- a/pkg/s3gateway/options/doc.go
+++ b/pkg/s3gateway/options/doc.go
@@ -1 +1,15 @@
+// Copyright 2019 Yunion
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package options // import "yunion.io/x/onecloud/pkg/s3gateway/options"
diff --git a/pkg/s3gateway/options/options.go b/pkg/s3gateway/options/options.go
index 39cdd277bf..b1b5513deb 100644
--- a/pkg/s3gateway/options/options.go
+++ b/pkg/s3gateway/options/options.go
@@ -1,3 +1,17 @@
+// Copyright 2019 Yunion
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package options
 
 import (
diff --git a/pkg/s3gateway/service/doc.go b/pkg/s3gateway/service/doc.go
index 6119b972de..1386d5d4a5 100644
--- a/pkg/s3gateway/service/doc.go
+++ b/pkg/s3gateway/service/doc.go
@@ -1 +1,15 @@
+// Copyright 2019 Yunion
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package service // import "yunion.io/x/onecloud/pkg/s3gateway/service"
diff --git a/pkg/s3gateway/service/handlers.go b/pkg/s3gateway/service/handlers.go
index 2decf3567e..c09a7c2fbd 100644
--- a/pkg/s3gateway/service/handlers.go
+++ b/pkg/s3gateway/service/handlers.go
@@ -1,3 +1,17 @@
+// Copyright 2019 Yunion
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package service
 
 import (
diff --git a/pkg/s3gateway/service/service.go b/pkg/s3gateway/service/service.go
index 92822438d4..67e6e36fc8 100644
--- a/pkg/s3gateway/service/service.go
+++ b/pkg/s3gateway/service/service.go
@@ -1,3 +1,17 @@
+// Copyright 2019 Yunion
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package service
 
 import (
diff --git a/pkg/scheduler/algorithm/predicates/predicates.go b/pkg/scheduler/algorithm/predicates/predicates.go
index 29a6a9a0ca..7ce8f008a3 100644
--- a/pkg/scheduler/algorithm/predicates/predicates.go
+++ b/pkg/scheduler/algorithm/predicates/predicates.go
@@ -1,3 +1,17 @@
+// Copyright 2019 Yunion
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
diff --git a/pkg/util/aliyun/bucket.go b/pkg/util/aliyun/bucket.go
index 00862debad..be0e83d187 100644
--- a/pkg/util/aliyun/bucket.go
+++ b/pkg/util/aliyun/bucket.go
@@ -1,3 +1,17 @@
+// Copyright 2019 Yunion
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package aliyun
 
 import (
@@ -128,7 +142,7 @@ func (b *SBucket) GetIObjects(prefix string, isRecursive bool) ([]cloudprovider.
 	return cloudprovider.GetIObjects(b, prefix, isRecursive)
 }
 
-func (b *SBucket) PutObject(ctx context.Context, key string, input io.ReadSeeker, contType string, storageClassStr string) error {
+func (b *SBucket) PutObject(ctx context.Context, key string, input io.Reader, contType string, storageClassStr string) error {
 	osscli, err := b.region.GetOssClient()
 	if err != nil {
 		return errors.Wrap(err, "GetOssClient")
diff --git a/pkg/util/aliyun/objects.go b/pkg/util/aliyun/objects.go
index 173201ae04..6b94b35233 100644
--- a/pkg/util/aliyun/objects.go
+++ b/pkg/util/aliyun/objects.go
@@ -1,3 +1,17 @@
+// Copyright 2019 Yunion
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package aliyun
 
 import (
diff --git a/pkg/util/aliyun/shell/bucket.go b/pkg/util/aliyun/shell/bucket.go
index df5a4c18fa..f44f1c4081 100644
--- a/pkg/util/aliyun/shell/bucket.go
+++ b/pkg/util/aliyun/shell/bucket.go
@@ -1,3 +1,17 @@
+// Copyright 2019 Yunion
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package shell
 
 import "yunion.io/x/onecloud/pkg/multicloud/objectstore"
diff --git a/pkg/util/aws/bucket.go b/pkg/util/aws/bucket.go
index 612abe630a..a5bf933cb4 100644
--- a/pkg/util/aws/bucket.go
+++ b/pkg/util/aws/bucket.go
@@ -1,3 +1,17 @@
+// Copyright 2019 Yunion
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package aws
 
 import (
@@ -6,8 +20,11 @@ import (
 	"io"
 	"time"
 
+	"github.com/aws/aws-sdk-go/aws"
 	"github.com/aws/aws-sdk-go/aws/request"
+	"github.com/aws/aws-sdk-go/aws/session"
 	"github.com/aws/aws-sdk-go/service/s3"
+	"github.com/aws/aws-sdk-go/service/s3/s3manager"
 
 	"yunion.io/x/pkg/errors"
 
@@ -128,25 +145,30 @@ func (b *SBucket) GetIObjects(prefix string, isRecursive bool) ([]cloudprovider.
 	return cloudprovider.GetIObjects(b, prefix, isRecursive)
 }
 
-func (b *SBucket) PutObject(ctx context.Context, key string, reader io.ReadSeeker, contType string, storageClassStr string) error {
-	s3cli, err := b.region.GetS3Client()
+func (b *SBucket) PutObject(ctx context.Context, key string, reader io.Reader, contType string, storageClassStr string) error {
+	sess, err := session.NewSession(&aws.Config{Region: aws.String(b.region.GetId())})
 	if err != nil {
-		return errors.Wrap(err, "GetS3Client")
+		return errors.Wrap(err, "session.NewSession")
 	}
-	input := &s3.PutObjectInput{}
-	input.SetBucket(b.Name)
-	input.SetKey(key)
-	input.SetBody(reader)
-	if len(storageClassStr) > 0 {
-		input.SetStorageClass(storageClassStr)
+
+	svc := s3manager.NewUploader(sess)
+	input := &s3manager.UploadInput{
+		Bucket: aws.String(b.Name),
+		Key:    aws.String(key),
+		Body:   reader,
 	}
 	if len(contType) > 0 {
-		input.SetContentType(contType)
+		input.ContentType = aws.String(contType)
 	}
-	_, err = s3cli.PutObjectWithContext(ctx, input)
+	if len(storageClassStr) > 0 {
+		input.StorageClass = aws.String(storageClassStr)
+	}
+
+	_, err = svc.Upload(input)
 	if err != nil {
-		return errors.Wrap(err, "PutObjectWithContext")
+		return errors.Wrap(err, "svc.Upload")
 	}
+
 	return nil
 }
 
diff --git a/pkg/util/aws/s3object.go b/pkg/util/aws/s3object.go
index 7bf181e7e0..e006d832da 100644
--- a/pkg/util/aws/s3object.go
+++ b/pkg/util/aws/s3object.go
@@ -1,3 +1,17 @@
+// Copyright 2019 Yunion
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package aws
 
 import "yunion.io/x/onecloud/pkg/cloudprovider"
diff --git a/pkg/util/aws/shell/bucket.go b/pkg/util/aws/shell/bucket.go
index df5a4c18fa..f44f1c4081 100644
--- a/pkg/util/aws/shell/bucket.go
+++ b/pkg/util/aws/shell/bucket.go
@@ -1,3 +1,17 @@
+// Copyright 2019 Yunion
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package shell
 
 import "yunion.io/x/onecloud/pkg/multicloud/objectstore"
diff --git a/pkg/util/azure/blobobject.go b/pkg/util/azure/blobobject.go
index 509314d08e..fd7c953a0f 100644
--- a/pkg/util/azure/blobobject.go
+++ b/pkg/util/azure/blobobject.go
@@ -1,3 +1,17 @@
+// Copyright 2019 Yunion
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package azure
 
 import "yunion.io/x/onecloud/pkg/cloudprovider"
diff --git a/pkg/util/azure/shell/bucket.go b/pkg/util/azure/shell/bucket.go
index ae85368d81..9482e9f16d 100644
--- a/pkg/util/azure/shell/bucket.go
+++ b/pkg/util/azure/shell/bucket.go
@@ -1,3 +1,17 @@
+// Copyright 2019 Yunion
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package shell
 
 import (
diff --git a/pkg/util/azure/storageaccount.go b/pkg/util/azure/storageaccount.go
index dfbd361496..e3d0a905db 100644
--- a/pkg/util/azure/storageaccount.go
+++ b/pkg/util/azure/storageaccount.go
@@ -508,7 +508,7 @@ func (self *SContainer) CopySnapshot(snapshotId, fileName string) (*storage.Blob
 	return blobRef, blobRef.GetProperties(&storage.GetBlobPropertiesOptions{})
 }
 
-func (self *SContainer) UploadStream(key string, reader io.ReadSeeker, contType string) error {
+func (self *SContainer) UploadStream(key string, reader io.Reader, contType string) error {
 	storageaccount := self.storageaccount
 	client, err := storage.NewBasicClientOnSovereignCloud(storageaccount.Name, storageaccount.accountKey, storageaccount.region.client.env)
 	if err != nil {
@@ -640,7 +640,7 @@ func (self *SStorageAccount) getOrCreateContainer(containerName string, create b
 	return container, nil
 }
 
-func (self *SStorageAccount) UploadStream(containerName string, key string, reader io.ReadSeeker, contType string) error {
+func (self *SStorageAccount) UploadStream(containerName string, key string, reader io.Reader, contType string) error {
 	container, err := self.getOrCreateContainer(containerName, true)
 	if err != nil {
 		return errors.Wrap(err, "getOrCreateContainer")
@@ -849,7 +849,7 @@ func splitKey(key string) (string, string, error) {
 	return containerName, key, nil
 }
 
-func (b *SStorageAccount) PutObject(ctx context.Context, key string, reader io.ReadSeeker, contType string, storageClassStr string) error {
+func (b *SStorageAccount) PutObject(ctx context.Context, key string, reader io.Reader, contType string, storageClassStr string) error {
 	containerName, blob, err := splitKey(key)
 	if err != nil {
 		return errors.Wrap(err, "splitKey")
diff --git a/pkg/util/huawei/bucket.go b/pkg/util/huawei/bucket.go
index 9f5850658e..b260397673 100644
--- a/pkg/util/huawei/bucket.go
+++ b/pkg/util/huawei/bucket.go
@@ -1,3 +1,17 @@
+// Copyright 2019 Yunion
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package huawei
 
 import (
@@ -139,7 +153,7 @@ func (b *SBucket) ListObjects(prefix string, marker string, delimiter string, ma
 	return result, nil
 }
 
-func (b *SBucket) PutObject(ctx context.Context, key string, reader io.ReadSeeker, contType string, storageClassStr string) error {
+func (b *SBucket) PutObject(ctx context.Context, key string, reader io.Reader, contType string, storageClassStr string) error {
 	obscli, err := b.region.getOBSClient()
 	if err != nil {
 		return errors.Wrap(err, "GetOBSClient")
diff --git a/pkg/util/huawei/object.go b/pkg/util/huawei/object.go
index 6bd0bb6c46..e4ca71912b 100644
--- a/pkg/util/huawei/object.go
+++ b/pkg/util/huawei/object.go
@@ -1,3 +1,17 @@
+// Copyright 2019 Yunion
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package huawei
 
 import "yunion.io/x/onecloud/pkg/cloudprovider"
diff --git a/pkg/util/huawei/shell/bucket.go b/pkg/util/huawei/shell/bucket.go
index ae85368d81..9482e9f16d 100644
--- a/pkg/util/huawei/shell/bucket.go
+++ b/pkg/util/huawei/shell/bucket.go
@@ -1,3 +1,17 @@
+// Copyright 2019 Yunion
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package shell
 
 import (
diff --git a/pkg/util/huawei/shell/obs.go b/pkg/util/huawei/shell/obs.go
index 79bc38c8e1..ebfce457c4 100644
--- a/pkg/util/huawei/shell/obs.go
+++ b/pkg/util/huawei/shell/obs.go
@@ -1,3 +1,17 @@
+// Copyright 2019 Yunion
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package shell
 
 import (
diff --git a/pkg/util/qcloud/bucket.go b/pkg/util/qcloud/bucket.go
index 584bf73fb8..00e5fce9b0 100644
--- a/pkg/util/qcloud/bucket.go
+++ b/pkg/util/qcloud/bucket.go
@@ -1,3 +1,17 @@
+// Copyright 2019 Yunion
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package qcloud
 
 import (
@@ -133,7 +147,7 @@ func (b *SBucket) ListObjects(prefix string, marker string, delimiter string, ma
 	return result, nil
 }
 
-func (b *SBucket) PutObject(ctx context.Context, key string, reader io.ReadSeeker, contType string, storageClassStr string) error {
+func (b *SBucket) PutObject(ctx context.Context, key string, reader io.Reader, contType string, storageClassStr string) error {
 	coscli, err := b.region.GetCosClient(b)
 	if err != nil {
 		return errors.Wrap(err, "GetCosClient")
diff --git a/pkg/util/qcloud/object.go b/pkg/util/qcloud/object.go
index b9e9218c5c..f91b4dffd7 100644
--- a/pkg/util/qcloud/object.go
+++ b/pkg/util/qcloud/object.go
@@ -1,3 +1,17 @@
+// Copyright 2019 Yunion
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package qcloud
 
 import "yunion.io/x/onecloud/pkg/cloudprovider"
diff --git a/pkg/util/ucloud/shell/ufile.go b/pkg/util/ucloud/shell/ufile.go
index ae85368d81..9482e9f16d 100644
--- a/pkg/util/ucloud/shell/ufile.go
+++ b/pkg/util/ucloud/shell/ufile.go
@@ -1,3 +1,17 @@
+// Copyright 2019 Yunion
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 package shell
 
 import (
diff --git a/pkg/util/ucloud/ufile.go b/pkg/util/ucloud/ufile.go
index 82711bda62..b8c973b02a 100644
--- a/pkg/util/ucloud/ufile.go
+++ b/pkg/util/ucloud/ufile.go
@@ -218,7 +218,7 @@ func (b *SBucket) ListObjects(prefix string, marker string, delimiter string, ma
 	return result, cloudprovider.ErrNotSupported
 }
 
-func (b *SBucket) PutObject(ctx context.Context, key string, reader io.ReadSeeker, contType string, storageClassStr string) error {
+func (b *SBucket) PutObject(ctx context.Context, key string, reader io.Reader, contType string, storageClassStr string) error {
 	return cloudprovider.ErrNotSupported
 }