diff --git a/common/pkgs/ioswitch2/ops2/multipart.go b/common/pkgs/ioswitch2/ops2/multipart.go
new file mode 100644
index 0000000..0ef7da6
--- /dev/null
+++ b/common/pkgs/ioswitch2/ops2/multipart.go
@@ -0,0 +1,124 @@
+package ops2
+
+import (
+	"encoding/json"
+	"gitlink.org.cn/cloudream/common/pkgs/ioswitch/dag"
+	"gitlink.org.cn/cloudream/common/pkgs/ioswitch/exec"
+	"gitlink.org.cn/cloudream/common/sdks/cloudstorage"
+	cdssdk "gitlink.org.cn/cloudream/common/sdks/storage"
+)
+
+func init() {
+	exec.UseOp[*MultipartManage]()
+	exec.UseOp[*MultipartUpload]()
+}
+
+type MultipartManage struct {
+	Address  cdssdk.StorageAddress `json:"address"`
+	UploadID *exec.StringVar       `json:"uploadID"`
+	ObjectID *exec.StringVar       `json:"objectID"`
+}
+
+func (o *MultipartManage) Execute(ctx *exec.ExecContext, e *exec.Executor) error {
+
+	var oss cloudstorage.ObjectStorage
+
+	switch addr := o.Address.(type) {
+	case *cdssdk.LocalStorageAddress:
+		err := json.Unmarshal([]byte(addr.String()), &oss)
+		if err != nil {
+			return err
+		}
+	}
+
+	client, err := cloudstorage.NewObjectStorageClient(oss)
+	if err != nil {
+		return err
+	}
+	defer client.Close()
+
+	uploadID, err := client.InitiateMultipartUpload("")
+	if err != nil {
+		return err
+	}
+	o.UploadID.Value = uploadID
+	e.PutVars(o.UploadID)
+
+	objectID, err := client.CompleteMultipartUpload()
+	if err != nil {
+		return err
+	}
+	o.ObjectID.Value = objectID
+	e.PutVars(o.ObjectID)
+
+	return nil
+}
+
+func (o *MultipartManage) String() string {
+	return "MultipartManage"
+}
+
+type MultipartManageNode struct {
+	dag.NodeBase
+	Address cdssdk.StorageAddress
+}
+
+func (b *GraphNodeBuilder) NewMultipartManage(addr cdssdk.StorageAddress) *MultipartManageNode {
+	node := &MultipartManageNode{
+		Address: addr,
+	}
+	b.AddNode(node)
+	return node
+}
+
+func (t *MultipartManageNode) GenerateOp() (exec.Op, error) {
+	return &MultipartManage{
+		Address: t.Address,
+	}, nil
+}
+
+type MultipartUpload struct {
+	Address cdssdk.StorageAddress `json:"address"`
+	FileMD5 *exec.StringVar       `json:"fileMD5"`
+}
+
+func (o *MultipartUpload) Execute(ctx *exec.ExecContext, e *exec.Executor) error {
+	var oss cloudstorage.ObjectStorage
+	switch addr := o.Address.(type) {
+	case *cdssdk.LocalStorageAddress:
+		err := json.Unmarshal([]byte(addr.String()), &oss)
+		if err != nil {
+			return err
+		}
+	}
+
+	client, err := cloudstorage.NewObjectStorageClient(oss)
+	if err != nil {
+		return err
+	}
+	client.UploadPart()
+	return nil
+}
+
+func (o *MultipartUpload) String() string {
+	return "MultipartUpload"
+}
+
+type MultipartUploadNode struct {
+	dag.NodeBase
+	Address cdssdk.StorageAddress
+}
+
+func (b *GraphNodeBuilder) NewMultipartUpload(addr cdssdk.StorageAddress) *MultipartUploadNode {
+	node := &MultipartUploadNode{
+		Address: addr,
+	}
+	b.AddNode(node)
+	return node
+}
+
+func (t MultipartUploadNode) GenerateOp() (exec.Op, error) {
+	return &MultipartUpload{
+		Address: t.Address,
+	}, nil
+}