diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 55f5d04..543ecbf 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -30,7 +30,7 @@ jobs:
       - name: Setup Go environment
         uses: actions/setup-go@v2.1.3
         with:
-          go-version: 1.16
+          go-version: 1.17
       - name: Cache downloaded module
         uses: actions/cache@v2
         with:
diff --git a/README.md b/README.md
index b1d3168..686c5eb 100644
--- a/README.md
+++ b/README.md
@@ -100,6 +100,9 @@ iikira/BaiduPCS-Go was largely inspired by [GangZhuo/BaiduPCS](https://github.co
 [离线下载](#离线下载), 支持http/https/ftp/电驴/磁力链协议.
 
 # 版本更新
+**2022.11.12** v3.8.8:
+- fix #234, 修复无法转存文件
+
 **2022.2.18** v3.8.7:
 - fix #175, 在正式上传前即进行文件大小检测
 
diff --git a/baidupcs/baidupcs.go b/baidupcs/baidupcs.go
index 26a3c12..b5c5a46 100644
--- a/baidupcs/baidupcs.go
+++ b/baidupcs/baidupcs.go
@@ -18,6 +18,10 @@ import (
 const (
 	// OperationGetUK 获取UK
 	OperationGetUK = "获取UK"
+	// OperationGetBDSToken
+	OperationGetBDSToken = "获取bdstoken"
+	// OperationGetCursorDiff
+	OperationGetCursorDiff = "获取cursor后文件列表diff信息"
 	// OperationQuotaInfo 获取当前用户空间配额信息
 	OperationQuotaInfo = "获取当前用户空间配额信息"
 	// OperationFilesDirectoriesMeta 获取文件/目录的元信息
@@ -149,6 +153,13 @@ type (
 			Uk int64 `json:"uk"`
 		} `json:"records"`
 	}
+
+	userVarJSON struct {
+		*pcserror.PanErrorInfo
+		Result struct {
+			BDSToken string `json:"bdstoken"`
+		} `json:"result"`
+	}
 )
 
 //UpdatePCSCookies 去除重名Cookies, 同名cookeis只保留最新的
@@ -451,3 +462,30 @@ func (pcs *BaiduPCS) UK() (uk int64, pcsError pcserror.Error) {
 
 	return jsonData.Records[0].Uk, nil
 }
+
+func (pcs *BaiduPCS) BDSToken() (bdstoken string, pcsError pcserror.Error) {
+	dataReadCloser, pcsError := pcs.PrepareBDStoken()
+	if pcsError != nil {
+		return
+	}
+
+	defer dataReadCloser.Close()
+
+	errInfo := pcserror.NewPanErrorInfo(OperationGetBDSToken)
+	jsonData := userVarJSON{
+		PanErrorInfo: errInfo,
+	}
+
+	pcsError = pcserror.HandleJSONParse(OperationGetBDSToken, dataReadCloser, &jsonData)
+	if pcsError != nil {
+		return
+	}
+
+	if jsonData.Result.BDSToken == "" {
+		errInfo.ErrType = pcserror.ErrTypeOthers
+		errInfo.Err = errors.New("Unknown remote data")
+		return "", errInfo
+	}
+
+	return jsonData.Result.BDSToken, nil
+}
diff --git a/baidupcs/prepare.go b/baidupcs/prepare.go
index 6316ed5..3a421d1 100644
--- a/baidupcs/prepare.go
+++ b/baidupcs/prepare.go
@@ -166,6 +166,37 @@ func (pcs *BaiduPCS) PrepareFilesDirectoriesList(path string, options *OrderOpti
 	return
 }
 
+func (pcs *BaiduPCS) PrepareFilesDirectoriesDiff(cursor string) (dataReadCloser io.ReadCloser, pcsError pcserror.Error) {
+	pcs.lazyInit()
+	//bdstoken, pcsError := pcs.BDSToken()
+	//if pcsError != nil {
+	//	return
+	//}
+	if cursor == "" {
+		cursor = "null"
+	}
+	ns := netdisksign.NewLocateDownloadSign(pcs.uid, pcs.GetBDUSS())
+	pcsURL := pcs.generatePanURL("batch/filediff", map[string]string{
+		"cursor": cursor,
+		//"bdstoken": bdstoken,
+		"clienttype": "1",
+	})
+	paramsURL := ns.URLParam()
+	dataReadCloser, pcsError = pcs.sendReqReturnReadCloser(reqTypePCS, OperationGetCursorDiff, http.MethodGet, pcsURL.String() + "&"+ paramsURL, nil, nil)
+	return
+}
+
+func (pcs *BaiduPCS) PrepareBDStoken() (dataReadCloser io.ReadCloser, pcsError pcserror.Error) {
+	pcs.lazyInit()
+	pcsURL := pcs.generatePanURL("gettemplatevariable", map[string]string{
+		"clienttype": "0",
+		"app_id": string(pcs.appID),
+		"fields":     `["bdstoken"]`,
+	})
+	dataReadCloser, pcsError = pcs.sendReqReturnReadCloser(reqTypePCS, OperationGetBDSToken, http.MethodGet, pcsURL.String(), nil, nil)
+	return
+}
+
 // PrepareSearch 按文件名搜索文件, 只返回服务器响应数据和错误信息
 func (pcs *BaiduPCS) PrepareSearch(targetPath, keyword string, recursive bool) (dataReadCloser io.ReadCloser, pcsError pcserror.Error) {
 	pcs.lazyInit()
diff --git a/baidupcs/transfer.go b/baidupcs/transfer.go
index a75c61e..3fd6b43 100644
--- a/baidupcs/transfer.go
+++ b/baidupcs/transfer.go
@@ -2,6 +2,8 @@ package baidupcs
 
 import (
 	"fmt"
+	"github.com/qjfoidnh/BaiduPCS-Go/baidupcs/netdisksign"
+	"github.com/tidwall/gjson"
 	"io/ioutil"
 	"net/http"
 	"net/url"
@@ -10,8 +12,6 @@ import (
 	"regexp"
 	"strconv"
 	"strings"
-
-	"github.com/tidwall/gjson"
 )
 
 type (
@@ -28,11 +28,14 @@ func (pcs *BaiduPCS) GenerateShareQueryURL(subPath string, params map[string]str
 		Host:   PanBaiduCom,
 		Path:   "/share/" + subPath,
 	}
+	ns := netdisksign.NewLocateDownloadSign(pcs.uid, pcs.GetBDUSS())
 	uv := shareURL.Query()
-	uv.Set("app_id", PanAppID)
-	uv.Set("channel", "chunlei")
-	uv.Set("clienttype", "0")
-	uv.Set("web", "1")
+	uv.Set("apn_id", "1_0")
+	uv.Set("channel", "android_7.0_VTR-AL00_bd-netdisk_1026250y")
+	uv.Set("time", strconv.Itoa(int(ns.Time)))
+	uv.Set("cuid", ns.DevUID)
+	uv.Set("devuid", ns.DevUID)
+	uv.Set("clienttype", "1")
 	for key, value := range params {
 		uv.Set(key, value)
 	}
@@ -49,7 +52,7 @@ func (pcs *BaiduPCS) ExtractShareInfo(metajsonstr string) (res map[string]string
 	}
 	errno := gjson.Get(metajsonstr, `file_list.errno`).Int()
 	if errno != 0 {
-		res["ErrMsg"] = "提取码错误"
+		res["ErrMsg"] = fmt.Sprintf("未知错误, 错误码%d", errno)
 		return
 	}
 	res["filename"] = gjson.Get(metajsonstr, `file_list.0.server_filename`).String()
@@ -83,11 +86,10 @@ func (pcs *BaiduPCS) ExtractShareInfo(metajsonstr string) (res map[string]string
 	return
 }
 
-func (pcs *BaiduPCS) PostShareQuery(url string, surl string, data map[string]string) (res map[string]string) {
+func (pcs *BaiduPCS) PostShareQuery(url string, data map[string]string) (res map[string]string) {
 	dataReadCloser, panError := pcs.sendReqReturnReadCloser(reqTypePan, OperationShareFileSavetoLocal, http.MethodPost, url, data, map[string]string{
-		"User-Agent":   "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/76.0.3809.100 Safari/537.36",
+		"User-Agent":   pcs.panUA,
 		"Content-Type": "application/x-www-form-urlencoded",
-		"Referer":      fmt.Sprintf("https://pan.baidu.com/share/init?surl=%s", surl),
 	})
 	res = make(map[string]string)
 	if panError != nil {
@@ -98,7 +100,7 @@ func (pcs *BaiduPCS) PostShareQuery(url string, surl string, data map[string]str
 	body, _ := ioutil.ReadAll(dataReadCloser)
 	errno := gjson.Get(string(body), `errno`).String()
 	if errno != "0" {
-		res["ErrMsg"] = "分享码错误"
+		res["ErrMsg"] = fmt.Sprintf("未知错误, 错误码%d", errno)
 		return
 	}
 	res["ErrMsg"] = "0"
@@ -142,6 +144,9 @@ func (pcs *BaiduPCS) AccessSharePage(featurestr string, first bool) (tokens map[
 		}
 		tokens["metajson"] = string(sub[1])
 		tokens["bdstoken"] = gjson.Get(string(sub[1]), `bdstoken`).String()
+		tokens["uk"] = gjson.Get(string(sub[1]), `uk`).String()
+		tokens["share_uk"] = gjson.Get(string(sub[1]), `share_uk`).String()
+		tokens["shareid"] = gjson.Get(string(sub[1]), `shareid`).String()
 		return
 	}
 
@@ -198,8 +203,8 @@ func (pcs *BaiduPCS) GenerateRequestQuery(mode string, params map[string]string)
 			} else {
 				res["ErrMsg"] = fmt.Sprintf("未知错误, 错误代码%d", _errno)
 			}
-		} else {
-			res["ErrMsg"] = fmt.Sprintf("未知错误, 错误代码%d", errno)
+		} else if mode == "POST" && errno == 4 {
+			res["ErrMsg"] = fmt.Sprintf("文件重复")
 		}
 		return
 	}
diff --git a/go.mod b/go.mod
index 4a1d378..f4a07a5 100644
--- a/go.mod
+++ b/go.mod
@@ -1,10 +1,9 @@
 module github.com/qjfoidnh/BaiduPCS-Go
 
-go 1.16
+go 1.17
 
 require (
 	github.com/GeertJohan/go.incremental v1.0.0
-	github.com/bmizerany/assert v0.0.0-20160611221934-b7ed37b82869 // indirect
 	github.com/dgrijalva/jwt-go v3.2.0+incompatible
 	github.com/fatih/color v1.10.0
 	github.com/golang/protobuf v1.4.3
@@ -21,3 +20,21 @@ require (
 	golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550
 	golang.org/x/sys v0.0.0-20200615200032-f1bc736245b1
 )
+
+require (
+	github.com/GeertJohan/go.rice v1.0.2 // indirect
+	github.com/astaxie/beego v1.12.3 // indirect
+	github.com/bitly/go-simplejson v0.5.0 // indirect
+	github.com/bmizerany/assert v0.0.0-20160611221934-b7ed37b82869 // indirect
+	github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d // indirect
+	github.com/daaku/go.zipexe v1.0.0 // indirect
+	github.com/mattn/go-colorable v0.1.8 // indirect
+	github.com/mattn/go-isatty v0.0.12 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
+	github.com/modern-go/reflect2 v1.0.1 // indirect
+	github.com/russross/blackfriday/v2 v2.0.1 // indirect
+	github.com/shurcooL/sanitized_anchor_name v1.0.0 // indirect
+	github.com/tidwall/match v1.0.1 // indirect
+	github.com/tidwall/pretty v1.0.2 // indirect
+	google.golang.org/protobuf v1.23.0 // indirect
+)
diff --git a/internal/pcscommand/transfer.go b/internal/pcscommand/transfer.go
index 3b3b22e..0443523 100644
--- a/internal/pcscommand/transfer.go
+++ b/internal/pcscommand/transfer.go
@@ -50,25 +50,29 @@ func RunShareTransfer(params []string, opt *baidupcs.TransferOption) {
 	}
 	// pcs.UpdatePCSCookies(true)
 	var vefiryurl string
+	var randsk string
 	featuremap := make(map[string]string)
-	featuremap["surl"] = featurestr[1:]
-	featuremap["bdstoken"] = tokens["bdstoken"]
+	featuremap["shareid"] = tokens["shareid"]
+	featuremap["uk"] = tokens["share_uk"]
 	if extracode != "none" {
 
 		vefiryurl = pcs.GenerateShareQueryURL("verify", featuremap).String()
-		res := pcs.PostShareQuery(vefiryurl, featurestr[1:], map[string]string{
+		res := pcs.PostShareQuery(vefiryurl, map[string]string{
 			"pwd":       extracode,
 			"vcode":     "",
-			"vcode_str": "",
+			"vcode_str": "null",
+			"bdstoken": tokens["bdstoken"],
 		})
 		if res["ErrMsg"] != "0" {
 			fmt.Printf("%s失败: %s\n", baidupcs.OperationShareFileSavetoLocal, res["ErrMsg"])
 			return
 		}
+		randsk = res["randsk"]
 	}
 	pcs.UpdatePCSCookies(true)
 
 	tokens = pcs.AccessSharePage(featurestr, false)
+	tokens["randsk"] = randsk
 	if tokens["ErrMsg"] != "0" {
 		fmt.Printf("%s失败: %s\n", baidupcs.OperationShareFileSavetoLocal, tokens["ErrMsg"])
 		return
@@ -93,7 +97,7 @@ func RunShareTransfer(params []string, opt *baidupcs.TransferOption) {
 		fmt.Printf("%s失败: %s\n", baidupcs.OperationShareFileSavetoLocal, resp["ErrMsg"])
 		if resp["ErrNo"] == "4" {
 			trans_metas["shorturl"] = featurestr
-			pcs.SuperTransfer(trans_metas, resp["limit"]) // 试验性功能
+			pcs.SuperTransfer(trans_metas, resp["limit"]) // 试验性功能, 当前未启用
 		}
 		return
 	}
diff --git a/main.go b/main.go
index ec67b85..13be5fc 100644
--- a/main.go
+++ b/main.go
@@ -55,7 +55,7 @@ const (
 
 var (
 	// Version 版本号
-	Version = "v3.8.7-devel"
+	Version = "v3.8.8-devel"
 
 	historyFilePath = filepath.Join(pcsconfig.GetConfigDir(), "pcs_command_history.txt")
 	reloadFn        = func(c *cli.Context) error {
diff --git a/versioninfo.json b/versioninfo.json
index 53b3345..aba43b7 100644
--- a/versioninfo.json
+++ b/versioninfo.json
@@ -2,13 +2,13 @@
     "FixedFileInfo": {
         "FileVersion": {
             "Major": 3,
-            "Minor": 7,
+            "Minor": 8,
             "Patch": 8,
             "Build": 0
         },
         "ProductVersion": {
             "Major": 3,
-            "Minor": 7,
+            "Minor": 8,
             "Patch": 8,
             "Build": 0
         },
@@ -22,14 +22,14 @@
         "Comments": "",
         "CompanyName": "qjfoidnh",
         "FileDescription": "百度网盘客户端(加强版)",
-        "FileVersion": "v3.7.8",
+        "FileVersion": "v3.8.8",
         "InternalName": "",
         "LegalCopyright": "© 2016-2020 iikira.",
         "LegalTrademarks": "",
         "OriginalFilename": "",
         "PrivateBuild": "",
         "ProductName": "BaiduPCS-Go",
-        "ProductVersion": "v3.7.8",
+        "ProductVersion": "v3.8.8",
         "SpecialBuild": ""
     },
     "VarFileInfo": {