diff --git a/iqshell/common/client/client.go b/iqshell/common/client/client.go
new file mode 100644
index 00000000..d8b1a09d
--- /dev/null
+++ b/iqshell/common/client/client.go
@@ -0,0 +1,32 @@
+package client
+
+import (
+	"net"
+	"net/http"
+	"time"
+
+	"github.com/qiniu/go-sdk/v7/storage"
+)
+
+var defaultClient = storage.Client{
+	Client: &http.Client{
+		Timeout: 10 * time.Second,
+		Transport: &http.Transport{
+			Proxy: http.ProxyFromEnvironment,
+			DialContext: (&net.Dialer{
+				Timeout:   10 * time.Second,
+				KeepAlive: 10 * time.Second,
+			}).DialContext,
+			ForceAttemptHTTP2:     true,
+			MaxIdleConns:          4000,
+			MaxIdleConnsPerHost:   1000,
+			IdleConnTimeout:       10 * time.Second,
+			TLSHandshakeTimeout:   10 * time.Second,
+			ExpectContinueTimeout: 1 * time.Second,
+		},
+	},
+}
+
+func DefaultStorageClient() storage.Client {
+	return defaultClient
+}
diff --git a/iqshell/storage/bucket/bucket.go b/iqshell/storage/bucket/bucket.go
index e4c6cf0f..29babcbe 100644
--- a/iqshell/storage/bucket/bucket.go
+++ b/iqshell/storage/bucket/bucket.go
@@ -4,6 +4,7 @@ import (
 	"github.com/qiniu/go-sdk/v7/auth/qbox"
 	"github.com/qiniu/go-sdk/v7/storage"
 
+	"github.com/qiniu/qshell/v2/iqshell/common/client"
 	"github.com/qiniu/qshell/v2/iqshell/common/data"
 	"github.com/qiniu/qshell/v2/iqshell/common/workspace"
 )
@@ -17,7 +18,8 @@ func GetBucketManager() (manager *storage.BucketManager, err *data.CodeError) {
 
 	mac := qbox.NewMac(acc.AccessKey, acc.SecretKey)
 	cfg := workspace.GetStorageConfig()
-	manager = storage.NewBucketManager(mac, cfg)
+	c := client.DefaultStorageClient()
+	manager = storage.NewBucketManagerEx(mac, cfg, &c)
 	return
 }
 
diff --git a/iqshell/storage/object/download/downloader_file.go b/iqshell/storage/object/download/downloader_file.go
index b9227f7b..30bacbba 100644
--- a/iqshell/storage/object/download/downloader_file.go
+++ b/iqshell/storage/object/download/downloader_file.go
@@ -2,12 +2,9 @@ package download
 
 import (
 	"fmt"
-	"net"
 	"net/http"
-	"time"
-
-	"github.com/qiniu/go-sdk/v7/storage"
 
+	"github.com/qiniu/qshell/v2/iqshell/common/client"
 	"github.com/qiniu/qshell/v2/iqshell/common/data"
 	"github.com/qiniu/qshell/v2/iqshell/common/log"
 	"github.com/qiniu/qshell/v2/iqshell/common/progress"
@@ -15,24 +12,6 @@ import (
 	"github.com/qiniu/qshell/v2/iqshell/common/workspace"
 )
 
-var defaultClient = storage.Client{
-	Client: &http.Client{
-		Transport: &http.Transport{
-			Proxy: http.ProxyFromEnvironment,
-			DialContext: (&net.Dialer{
-				Timeout:   10 * time.Second,
-				KeepAlive: 10 * time.Second,
-			}).DialContext,
-			ForceAttemptHTTP2:     true,
-			MaxIdleConns:          4000,
-			MaxIdleConnsPerHost:   1000,
-			IdleConnTimeout:       10 * time.Second,
-			TLSHandshakeTimeout:   10 * time.Second,
-			ExpectContinueTimeout: 1 * time.Second,
-		},
-	},
-}
-
 type DownloadApiInfo struct {
 	downloadUrl    string
 	Bucket         string
@@ -107,7 +86,7 @@ func (d *downloaderFile) download(info *DownloadApiInfo) (response *http.Respons
 	if workspace.IsCmdInterrupt() {
 		return nil, data.CancelError
 	}
-	response, rErr := defaultClient.DoRequest(workspace.GetContext(), "GET", info.downloadUrl, headers)
+	response, rErr := client.DefaultStorageClient().DoRequest(workspace.GetContext(), "GET", info.downloadUrl, headers)
 	if info.CheckHash && len(info.FileHash) != 0 && response != nil && response.Header != nil {
 		etag := fmt.Sprintf(response.Header.Get("Etag"))
 		etag = utils.ParseEtag(etag)
diff --git a/iqshell/storage/object/upload/uploader_form.go b/iqshell/storage/object/upload/uploader_form.go
index 216226cd..d1b6caca 100644
--- a/iqshell/storage/object/upload/uploader_form.go
+++ b/iqshell/storage/object/upload/uploader_form.go
@@ -5,6 +5,7 @@ import (
 
 	"github.com/qiniu/go-sdk/v7/storage"
 
+	"github.com/qiniu/qshell/v2/iqshell/common/client"
 	"github.com/qiniu/qshell/v2/iqshell/common/data"
 	"github.com/qiniu/qshell/v2/iqshell/common/log"
 	"github.com/qiniu/qshell/v2/iqshell/common/workspace"
@@ -49,7 +50,8 @@ func (f *formUploader) upload(info *ApiInfo) (ret *ApiResult, err *data.CodeErro
 		}
 	}
 
-	up := storage.NewFormUploader(f.cfg)
+	c := client.DefaultStorageClient()
+	up := storage.NewFormUploaderEx(f.cfg, &c)
 	if e := up.Put(workspace.GetContext(), &ret, token, info.SaveKey, file, fileStatus.Size(), f.ext); e != nil {
 		err = data.NewEmptyError().AppendDesc("form upload").AppendError(e)
 	} else {
diff --git a/iqshell/storage/object/upload/uploader_resume_v1.go b/iqshell/storage/object/upload/uploader_resume_v1.go
index bb0b4082..22b17de7 100644
--- a/iqshell/storage/object/upload/uploader_resume_v1.go
+++ b/iqshell/storage/object/upload/uploader_resume_v1.go
@@ -5,6 +5,7 @@ import (
 
 	"github.com/qiniu/go-sdk/v7/storage"
 
+	"github.com/qiniu/qshell/v2/iqshell/common/client"
 	"github.com/qiniu/qshell/v2/iqshell/common/data"
 	"github.com/qiniu/qshell/v2/iqshell/common/log"
 	"github.com/qiniu/qshell/v2/iqshell/common/workspace"
@@ -46,7 +47,8 @@ func (r *resumeV1Uploader) upload(info *ApiInfo) (*ApiResult, *data.CodeError) {
 
 	var progress int64 = 0
 	ret := &ApiResult{}
-	up := storage.NewResumeUploader(r.cfg)
+	c := client.DefaultStorageClient()
+	up := storage.NewResumeUploaderEx(r.cfg, &c)
 	extra := &storage.RputExtra{
 		Recorder:   recorder,
 		Params:     nil,
diff --git a/iqshell/storage/object/upload/uploader_resume_v2.go b/iqshell/storage/object/upload/uploader_resume_v2.go
index ea120f98..670c1aed 100644
--- a/iqshell/storage/object/upload/uploader_resume_v2.go
+++ b/iqshell/storage/object/upload/uploader_resume_v2.go
@@ -5,6 +5,7 @@ import (
 
 	"github.com/qiniu/go-sdk/v7/storage"
 
+	"github.com/qiniu/qshell/v2/iqshell/common/client"
 	"github.com/qiniu/qshell/v2/iqshell/common/data"
 	"github.com/qiniu/qshell/v2/iqshell/common/log"
 	"github.com/qiniu/qshell/v2/iqshell/common/workspace"
@@ -46,7 +47,8 @@ func (r *resumeV2Uploader) upload(info *ApiInfo) (*ApiResult, *data.CodeError) {
 
 	var progress int64 = 0
 	ret := &ApiResult{}
-	up := storage.NewResumeUploaderV2(r.cfg)
+	c := client.DefaultStorageClient()
+	up := storage.NewResumeUploaderV2Ex(r.cfg, &c)
 	extra := &storage.RputV2Extra{
 		Recorder:   recorder,
 		Metadata:   nil,