diff --git a/app/appearance/langs/zh_CHT.json b/app/appearance/langs/zh_CHT.json
index bf01a19b6..796732bc1 100644
--- a/app/appearance/langs/zh_CHT.json
+++ b/app/appearance/langs/zh_CHT.json
@@ -919,9 +919,9 @@
     "147": "創建了一個新的數據快照，耗時 %.2fs",
     "148": "檢查數據快照，沒有發現任何變化，耗時 %.2fs",
     "149": "已經同步數據快照，耗時 %.2fs",
-    "150": "上傳/下載文件數 %d/%d\n上傳/下載分塊數 %d/%d\n發送/接受字節數 %s/%s",
+    "150": "上傳/下載文件數 %d/%d\n上傳/下載分塊數 %d/%d\n發送/接收字節數 %s/%s",
     "151": "請勿包含符號 \\ / : * ? " ' < > |",
     "152": "上傳文件數 %d 上傳分塊數 %d 發送字節數 %s",
-    "153": "下載文件數 %d 下載分塊數 %d 接受字節數 %s"
+    "153": "下載文件數 %d 下載分塊數 %d 接收字節數 %s"
   }
 }
diff --git a/app/appearance/langs/zh_CN.json b/app/appearance/langs/zh_CN.json
index 91c9ed985..c9ec169cf 100644
--- a/app/appearance/langs/zh_CN.json
+++ b/app/appearance/langs/zh_CN.json
@@ -921,9 +921,9 @@
     "147": "创建了一个新的数据快照，耗时 %.2fs",
     "148": "检查数据快照，没有发现任何变化，耗时 %.2fs",
     "149": "已经同步数据快照，耗时 %.2fs",
-    "150": "上传/下载文件数 %d/%d\n上传/下载分块数 %d/%d\n发送/接受字节数 %s/%s",
+    "150": "上传/下载文件数 %d/%d\n上传/下载分块数 %d/%d\n发送/接收字节数 %s/%s",
     "151": "请勿包含符号 \\ / : * ? " ' < > |",
     "152": "上传文件数 %d 上传分块数 %d 发送字节数 %s",
-    "153": "下载文件数 %d 下载分块数 %d 接受字节数 %s"
+    "153": "下载文件数 %d 下载分块数 %d 接收字节数 %s"
   }
 }
diff --git a/app/src/config/repos.ts b/app/src/config/repos.ts
index 5198e39d9..d8093a070 100644
--- a/app/src/config/repos.ts
+++ b/app/src/config/repos.ts
@@ -56,7 +56,6 @@ const renderCloudBackup = () => {
         <ul class="b3-list">
             <li class="b3-list-item" style="cursor: auto;">${window.siyuan.languages.sync}<span class="b3-list-item__meta">${response.data.sync ? response.data.sync.hSize : "0B"}</span></li>
             <li class="b3-list-item" style="cursor: auto;">${window.siyuan.languages.backup}<span class="b3-list-item__meta">${response.data.backup ? response.data.backup.hSize : "0B"}</span></li>
-            <li class="b3-list-item" style="cursor: auto;">${window.siyuan.languages.dataRepo}<span class="b3-list-item__meta">${response.data.hRepoSize}</span></li>
             <li class="b3-list-item" style="cursor: auto;"><a href="https://ld246.com/settings/file?type=3" target="_blank">${window.siyuan.languages.cdn}</a><span class="b3-list-item__meta">${response.data.hAssetSize}</span></li>
             <li class="b3-list-item" style="cursor: auto;">${window.siyuan.languages.total}<span class="b3-list-item__meta">${response.data.hSize}</span></li>
             <li class="b3-list-item" style="cursor: auto;">${window.siyuan.languages.sizeLimit}<span class="b3-list-item__meta">${response.data.hTotalSize}</span></li>
diff --git a/kernel/api/backup.go b/kernel/api/backup.go
index 9fbc7b2c8..0ea8dc613 100644
--- a/kernel/api/backup.go
+++ b/kernel/api/backup.go
@@ -106,7 +106,7 @@ func getCloudSpace(c *gin.Context) {
 	ret := gulu.Ret.NewResult()
 	defer c.JSON(http.StatusOK, ret)
 
-	sync, backup, size, assetSize, repoSize, totalSize, err := model.GetCloudSpace()
+	sync, backup, size, assetSize, totalSize, err := model.GetCloudSpace()
 	if nil != err {
 		ret.Code = 1
 		ret.Msg = err.Error()
@@ -121,7 +121,6 @@ func getCloudSpace(c *gin.Context) {
 		"sync":                 sync,
 		"backup":               backup,
 		"hAssetSize":           assetSize,
-		"hRepoSize":            repoSize,
 		"hSize":                size,
 		"hTotalSize":           totalSize,
 		"hTrafficUploadSize":   hTrafficUploadSize,
diff --git a/kernel/api/repo.go b/kernel/api/repo.go
index b3b023996..71108e578 100644
--- a/kernel/api/repo.go
+++ b/kernel/api/repo.go
@@ -118,6 +118,24 @@ func getCloudRepoTagSnapshots(c *gin.Context) {
 	}
 }
 
+func removeCloudRepoTagSnapshot(c *gin.Context) {
+	ret := gulu.Ret.NewResult()
+	defer c.JSON(http.StatusOK, ret)
+
+	arg, ok := util.JsonArg(c, ret)
+	if !ok {
+		return
+	}
+
+	tag := arg["tag"].(string)
+	err := model.RemoveCloudRepoTag(tag)
+	if nil != err {
+		ret.Code = -1
+		ret.Msg = err.Error()
+		return
+	}
+}
+
 func getRepoTagSnapshots(c *gin.Context) {
 	ret := gulu.Ret.NewResult()
 	defer c.JSON(http.StatusOK, ret)
@@ -134,6 +152,24 @@ func getRepoTagSnapshots(c *gin.Context) {
 	}
 }
 
+func removeRepoTagSnapshot(c *gin.Context) {
+	ret := gulu.Ret.NewResult()
+	defer c.JSON(http.StatusOK, ret)
+
+	arg, ok := util.JsonArg(c, ret)
+	if !ok {
+		return
+	}
+
+	tag := arg["tag"].(string)
+	err := model.RemoveTagSnapshot(tag)
+	if nil != err {
+		ret.Code = -1
+		ret.Msg = err.Error()
+		return
+	}
+}
+
 func createSnapshot(c *gin.Context) {
 	ret := gulu.Ret.NewResult()
 	defer c.JSON(http.StatusOK, ret)
diff --git a/kernel/api/router.go b/kernel/api/router.go
index aed7f9b9e..7e9a697f1 100644
--- a/kernel/api/router.go
+++ b/kernel/api/router.go
@@ -259,7 +259,9 @@ func ServeAPI(ginServer *gin.Engine) {
 	ginServer.Handle("POST", "/api/repo/checkoutRepo", model.CheckAuth, checkoutRepo)
 	ginServer.Handle("POST", "/api/repo/getRepoSnapshots", model.CheckAuth, getRepoSnapshots)
 	ginServer.Handle("POST", "/api/repo/getRepoTagSnapshots", model.CheckAuth, getRepoTagSnapshots)
+	ginServer.Handle("POST", "/api/repo/removeRepoTagSnapshot", model.CheckAuth, removeRepoTagSnapshot)
 	ginServer.Handle("POST", "/api/repo/getCloudRepoTagSnapshots", model.CheckAuth, getCloudRepoTagSnapshots)
+	ginServer.Handle("POST", "/api/repo/removeCloudRepoTagSnapshot", model.CheckAuth, removeCloudRepoTagSnapshot)
 	ginServer.Handle("POST", "/api/repo/uploadCloudSnapshot", model.CheckAuth, uploadCloudSnapshot)
 	ginServer.Handle("POST", "/api/repo/downloadCloudSnapshot", model.CheckAuth, downloadCloudSnapshot)
 
diff --git a/kernel/go.mod b/kernel/go.mod
index 222892c6d..184cdbf25 100644
--- a/kernel/go.mod
+++ b/kernel/go.mod
@@ -40,7 +40,7 @@ require (
 	github.com/qiniu/go-sdk/v7 v7.13.0
 	github.com/radovskyb/watcher v1.0.7
 	github.com/sabhiram/go-gitignore v0.0.0-20210923224102-525f6e181f06
-	github.com/siyuan-note/dejavu v0.0.0-20220705162638-58c67df5a0ca
+	github.com/siyuan-note/dejavu v0.0.0-20220706020527-a7a0d661f81b
 	github.com/siyuan-note/encryption v0.0.0-20220612074546-f1dd94fe8676
 	github.com/siyuan-note/eventbus v0.0.0-20220624162334-ca7c06dc771f
 	github.com/siyuan-note/filelock v0.0.0-20220704090116-54dfb035283f
@@ -112,7 +112,7 @@ require (
 
 replace github.com/mattn/go-sqlite3 => github.com/88250/go-sqlite3 v1.14.13-0.20220412041952-88c3aaa8595e
 
-//replace github.com/siyuan-note/dejavu => D:\88250\dejavu
+replace github.com/siyuan-note/dejavu => D:\88250\dejavu
 //replace github.com/siyuan-note/httpclient => D:\88250\httpclient
 //replace github.com/siyuan-note/filelock => D:\88250\filelock
 //replace github.com/88250/lute => D:\gogogo\src\github.com\88250\lute
diff --git a/kernel/go.sum b/kernel/go.sum
index f9d4c6347..f10ea6c70 100644
--- a/kernel/go.sum
+++ b/kernel/go.sum
@@ -423,6 +423,8 @@ github.com/shurcooL/vfsgen v0.0.0-20200824052919-0d455de96546/go.mod h1:TrYk7fJV
 github.com/sirupsen/logrus v1.8.1/go.mod h1:yWOB1SBYBC5VeMP7gHvWumXLIWorT60ONWic61uBYv0=
 github.com/siyuan-note/dejavu v0.0.0-20220705162638-58c67df5a0ca h1:2CxMRaQjDv101Ez/Iwt972rEvLZqNc+BZ6W9EGFTNgg=
 github.com/siyuan-note/dejavu v0.0.0-20220705162638-58c67df5a0ca/go.mod h1:ral+X0pNW6nSQVvIcxllUXSczCaY4UOCT2iGlO4YNg0=
+github.com/siyuan-note/dejavu v0.0.0-20220706020527-a7a0d661f81b h1:V3FWL5q6JLv8evvnoAOrqo5cxDipYILcuq/jJxOpHO8=
+github.com/siyuan-note/dejavu v0.0.0-20220706020527-a7a0d661f81b/go.mod h1:ral+X0pNW6nSQVvIcxllUXSczCaY4UOCT2iGlO4YNg0=
 github.com/siyuan-note/encryption v0.0.0-20220612074546-f1dd94fe8676 h1:QB9TjJQFhXhZ6dAtPpY02DlzHAQm1C+WqZq6OadG8mI=
 github.com/siyuan-note/encryption v0.0.0-20220612074546-f1dd94fe8676/go.mod h1:H8fyqqAbp9XreANjeSbc72zEdFfKTXYN34tc1TjZwtw=
 github.com/siyuan-note/eventbus v0.0.0-20220624162334-ca7c06dc771f h1:JMobMNZ7AqaKKyEK+WeWFhix/2TDQXgPZDajU00IybU=
diff --git a/kernel/model/backup.go b/kernel/model/backup.go
index 635ab4d34..fb4d08e3b 100644
--- a/kernel/model/backup.go
+++ b/kernel/model/backup.go
@@ -59,7 +59,7 @@ func RemoveCloudBackup() (err error) {
 }
 
 func getCloudAvailableBackupSize() (size int64, err error) {
-	sync, _, assetSize, repoSize, err := getCloudSpaceOSS()
+	sync, _, assetSize, err := getCloudSpaceOSS()
 	if nil != err {
 		return
 	}
@@ -68,12 +68,12 @@ func getCloudAvailableBackupSize() (size int64, err error) {
 	if nil != sync {
 		syncSize = int64(sync["size"].(float64))
 	}
-	size = int64(Conf.User.UserSiYuanRepoSize) - syncSize - assetSize - repoSize
+	size = int64(Conf.User.UserSiYuanRepoSize) - syncSize - assetSize
 	return
 }
 
-func GetCloudSpace() (s *Sync, b *Backup, hSize, hAssetSize, hRepoSize, hTotalSize string, err error) {
-	sync, backup, assetSize, repoSize, err := getCloudSpaceOSS()
+func GetCloudSpace() (s *Sync, b *Backup, hSize, hAssetSize, hTotalSize string, err error) {
+	sync, backup, assetSize, err := getCloudSpaceOSS()
 	if nil != err {
 		err = errors.New(Conf.Language(30) + " " + err.Error())
 		return
@@ -100,9 +100,8 @@ func GetCloudSpace() (s *Sync, b *Backup, hSize, hAssetSize, hRepoSize, hTotalSi
 		HSize:   humanize.Bytes(uint64(backupSize)),
 		Updated: backupUpdated,
 	}
-	totalSize = syncSize + backupSize + assetSize + repoSize
+	totalSize = syncSize + backupSize + assetSize
 	hAssetSize = humanize.Bytes(uint64(assetSize))
-	hRepoSize = humanize.Bytes(uint64(repoSize))
 	hSize = humanize.Bytes(uint64(totalSize))
 	hTotalSize = byteCountSI(int64(Conf.User.UserSiYuanRepoSize))
 	return
diff --git a/kernel/model/osssync.go b/kernel/model/osssync.go
index 27b36d140..86de425ae 100644
--- a/kernel/model/osssync.go
+++ b/kernel/model/osssync.go
@@ -32,19 +32,29 @@ import (
 	"time"
 
 	"github.com/88250/gulu"
+	"github.com/imroc/req/v3"
 	"github.com/panjf2000/ants/v2"
 	"github.com/qiniu/go-sdk/v7/storage"
 	"github.com/siyuan-note/httpclient"
 	"github.com/siyuan-note/siyuan/kernel/util"
 )
 
-func getCloudSpaceOSS() (sync, backup map[string]interface{}, assetSize, repoSize int64, err error) {
+func getCloudSpaceOSS() (sync, backup map[string]interface{}, assetSize int64, err error) {
 	result := map[string]interface{}{}
 	request := httpclient.NewCloudRequest(Conf.System.NetworkProxy.String())
-	resp, err := request.
-		SetResult(&result).
-		SetBody(map[string]string{"token": Conf.User.UserToken}).
-		Post(util.AliyunServer + "/apis/siyuan/data/getSiYuanWorkspace?uid=" + Conf.User.UserId)
+
+	var resp *req.Response
+	if Conf.Sync.UseDataRepo {
+		resp, err = request.
+			SetResult(&result).
+			SetBody(map[string]string{"token": Conf.User.UserToken}).
+			Post(util.AliyunServer + "/apis/siyuan/dejavu/getRepoStat?uid=" + Conf.User.UserId)
+	} else {
+		resp, err = request.
+			SetResult(&result).
+			SetBody(map[string]string{"token": Conf.User.UserToken}).
+			Post(util.AliyunServer + "/apis/siyuan/data/getSiYuanWorkspace?uid=" + Conf.User.UserId)
+	}
 	if nil != err {
 		util.LogErrorf("get cloud space failed: %s", err)
 		err = ErrFailedToConnectCloudServer
@@ -67,7 +77,6 @@ func getCloudSpaceOSS() (sync, backup map[string]interface{}, assetSize, repoSiz
 	sync = data["sync"].(map[string]interface{})
 	backup = data["backup"].(map[string]interface{})
 	assetSize = int64(data["assetSize"].(float64))
-	repoSize = int64(data["repoSize"].(float64))
 	return
 }
 
diff --git a/kernel/model/repository.go b/kernel/model/repository.go
index 9c19d3da9..690debab5 100644
--- a/kernel/model/repository.go
+++ b/kernel/model/repository.go
@@ -245,6 +245,34 @@ func UploadCloudSnapshot(tag, id string) (err error) {
 	return
 }
 
+func RemoveCloudRepoTag(tag string) (err error) {
+	if 1 > len(Conf.Repo.Key) {
+		err = errors.New(Conf.Language(26))
+		return
+	}
+
+	if "" == tag {
+		err = errors.New("tag is empty")
+		return
+	}
+
+	repo, err := newRepository()
+	if nil != err {
+		return
+	}
+
+	cloudInfo, err := buildCloudInfo()
+	if nil != err {
+		return
+	}
+
+	err = repo.RemoveCloudRepoTag(tag, cloudInfo, map[string]interface{}{CtxPushMsg: CtxPushMsgToStatusBar})
+	if nil != err {
+		return
+	}
+	return
+}
+
 func GetCloudRepoTagSnapshots() (ret []*dejavu.Log, err error) {
 	if 1 > len(Conf.Repo.Key) {
 		err = errors.New(Conf.Language(26))
@@ -285,6 +313,21 @@ func GetTagSnapshots() (ret []*dejavu.Log, err error) {
 	return
 }
 
+func RemoveTagSnapshot(tag string) (err error) {
+	if 1 > len(Conf.Repo.Key) {
+		err = errors.New(Conf.Language(26))
+		return
+	}
+
+	repo, err := newRepository()
+	if nil != err {
+		return
+	}
+
+	err = repo.RemoveTag(tag)
+	return
+}
+
 func TagSnapshot(id, name string) (err error) {
 	if 1 > len(Conf.Repo.Key) {
 		err = errors.New(Conf.Language(26))