diff --git a/services/oss/ApkVersion_get.go b/services/oss/ApkVersion_get.go
new file mode 100644
index 0000000..47ed5d1
--- /dev/null
+++ b/services/oss/ApkVersion_get.go
@@ -0,0 +1,36 @@
+package oss
+
+import (
+	"golib.gaore.com/GaoreGo/gaore-common-sdk-go/sdk/requests"
+	"golib.gaore.com/GaoreGo/gaore-common-sdk-go/sdk/responses"
+)
+
+type GetApkVersionRequest struct {
+	*requests.JsonRequest
+	Filepath string `position:"Body" field:"filepath"`
+}
+
+type GetApkVersionResponse struct {
+	*responses.BaseResponse
+	Code int    `json:"code"`
+	Msg  string `json:"msg"`
+	Data struct {
+		VersionCode string `json:"versionCode"`
+		VersionName string `json:"versionName"`
+	} `json:"data"`
+}
+
+func CreateGetApkVersionRequest() (req *GetApkVersionRequest) {
+	req = &GetApkVersionRequest{
+		JsonRequest: &requests.JsonRequest{},
+	}
+	req.InitWithApiInfo(HOST, VERSION, "/api/apk/version")
+	req.Method = requests.POST
+	return
+}
+
+func CreateGetApkVersionResponse() *GetApkVersionResponse {
+	return &GetApkVersionResponse{
+		BaseResponse: &responses.BaseResponse{},
+	}
+}
diff --git a/services/oss/client.go b/services/oss/client.go
index f8f7c0b..e0e93d1 100644
--- a/services/oss/client.go
+++ b/services/oss/client.go
@@ -3,6 +3,8 @@ package oss
 import (
 	"errors"
 	"golib.gaore.com/GaoreGo/gaore-common-sdk-go/sdk"
+	"golib.gaore.com/GaoreGo/gaore-common-sdk-go/sdk/auth"
+	"golib.gaore.com/GaoreGo/gaore-common-sdk-go/sdk/auth/credentials"
 	"golib.gaore.com/GaoreGo/gaore-common-sdk-go/sdk/requests"
 )
 
@@ -24,6 +26,10 @@ func NewClient() (client *Client, err error) {
 	return
 }
 
+func NewClientWithSts() {
+
+}
+
 func (c *Client) PutOss(req *PutOssRequest) (resp *PutOssResponse, err error) {
 	if req.BucketName == "" {
 		err = errors.New("bucket name is empty")
@@ -44,3 +50,16 @@ func (c *Client) DelOss(req *DelOssRequest) (resp *DelOssResponse, err error) {
 	err = c.DoAction(req, resp)
 	return
 }
+
+func (c *Client) InitMultipartUpload(req *InitMultipartUploadRequest) (resp *InitMultipartUploadResponse, err error) {
+	resp = CreateInitMultipartUploadResponse()
+	err = c.DoAction(req, resp)
+	return
+}
+
+func (c *Client) GetApkVersion(req *GetApkVersionRequest) (resp *GetApkVersionResponse, err error) {
+	resp = CreateGetApkVersionResponse()
+	sign, err := auth.NewSignerWithCredential(credentials.NewStsTokenCredential("", "ccc", ""), nil)
+	err = c.DoActionWithSigner(req, resp, sign)
+	return
+}
diff --git a/services/oss/client_test.go b/services/oss/client_test.go
index 0f77109..612e58e 100644
--- a/services/oss/client_test.go
+++ b/services/oss/client_test.go
@@ -39,3 +39,37 @@ func TestUpload_Del(t *testing.T) {
 	}
 	t.Log(resp.Code)
 }
+
+func TestCreateInitMultipartUpload(t *testing.T) {
+	req := CreateInitMultipartUploadRequest()
+	req.Filepath = "test.jpg"
+	req.TargetType = "oss"
+	req.TargetName = "image"
+	client, err := NewClient()
+	if err != nil {
+		t.Error(err)
+		return
+	}
+	resp, err := client.InitMultipartUpload(req)
+	if err != nil {
+		t.Error(err)
+		return
+	}
+	t.Log(resp)
+}
+
+func TestClient_GetApkVersion(t *testing.T) {
+	req := CreateGetApkVersionRequest()
+	req.Filepath = "36c55c4c3a2f4c79e3917b989d580496.zip"
+	client, err := NewClient()
+	if err != nil {
+		t.Error(err)
+		return
+	}
+	resp, err := client.GetApkVersion(req)
+	if err != nil {
+		t.Error(err)
+		return
+	}
+	t.Log(resp.Data.VersionCode, resp.Data.VersionName)
+}
diff --git a/services/oss/multipart_init.go b/services/oss/multipart_init.go
new file mode 100644
index 0000000..4e7642c
--- /dev/null
+++ b/services/oss/multipart_init.go
@@ -0,0 +1,58 @@
+package oss
+
+import (
+	"crypto/md5"
+	"encoding/hex"
+	"fmt"
+	"golib.gaore.com/GaoreGo/gaore-common-sdk-go/sdk/requests"
+	"golib.gaore.com/GaoreGo/gaore-common-sdk-go/sdk/responses"
+	"time"
+)
+
+const (
+	multipartUploadKeys = "b4471b940d98"
+)
+
+type InitMultipartUploadRequest struct {
+	*requests.JsonRequest
+	Filepath   string `position:"Body" field:"filepath"`
+	TargetType string `position:"Body" field:"target_type"`
+	TargetName string `position:"Body" field:"target_name"`
+	FileHash   string `position:"Body" field:"file_hash"`
+}
+
+type InitMultipartUploadResponse struct {
+	*responses.BaseResponse
+	Code int    `json:"code"`
+	Msg  string `json:"msg"`
+	Data struct {
+		FileUploaded bool   `json:"file_uploaded"`
+		UploadId     string `json:"upload_id,omitempty"`
+		Links        []Link `json:"links,omitempty"`
+	} `json:"data"`
+}
+
+type Link struct {
+	Href   string `json:"href"`
+	Rel    string `json:"rel"`
+	Method string `json:"method"`
+}
+
+func CreateInitMultipartUploadRequest() (req *InitMultipartUploadRequest) {
+	ts := fmt.Sprintf("%d", time.Now().Unix())
+	m := md5.Sum([]byte(ts + multipartUploadKeys))
+	sign := hex.EncodeToString(m[:])
+	req = &InitMultipartUploadRequest{
+		JsonRequest: &requests.JsonRequest{},
+	}
+
+	req.InitWithApiInfo(HOST, VERSION, "/api/upload/multipart/init?ts="+ts+"&sign="+sign)
+	return
+}
+
+func CreateInitMultipartUploadResponse() (resp *InitMultipartUploadResponse) {
+	resp = &InitMultipartUploadResponse{
+		BaseResponse: &responses.BaseResponse{},
+	}
+	return resp
+}