diff --git a/kernel/model/repository.go b/kernel/model/repository.go
index c37985f7b..e5fdeb53d 100644
--- a/kernel/model/repository.go
+++ b/kernel/model/repository.go
@@ -1055,7 +1055,7 @@ func buildCloudConf() (ret *cloud.Conf, err error) {
 
 	switch Conf.Sync.Provider {
 	case conf.ProviderSiYuan:
-		ret.Endpoint = "https://siyuan-data.b3logfile.com/"
+		ret.Endpoint = util.SiYuanSyncServer
 	case conf.ProviderS3:
 		ret.S3 = &cloud.ConfS3{
 			Endpoint:      Conf.Sync.S3.Endpoint,
diff --git a/kernel/util/path.go b/kernel/util/path.go
index be1953b6a..2b8f0dda3 100644
--- a/kernel/util/path.go
+++ b/kernel/util/path.go
@@ -36,9 +36,10 @@ var (
 )
 
 const (
-	AliyunServer     = "https://siyuan-sync.b3logfile.com" // 云端服务地址，阿里云负载均衡，用于接口，数据同步文件上传、下载会走七牛云 OSS http://siyuan-data.b3logfile.com
-	BazaarStatServer = "http://bazaar.b3logfile.com"       // 集市包统计服务地址，直接对接 Bucket 没有 CDN 缓存
-	BazaarOSSServer  = "https://oss.b3logfile.com"         // 云端对象存储地址，七牛云，仅用于读取集市包
+	AliyunServer     = "https://siyuan-sync.b3logfile.com"  // 云端服务地址，阿里云负载均衡，用于接口，数据同步文件上传、下载会走七牛云 OSS SiYuanSyncServer
+	SiYuanSyncServer = "https://siyuan-data.b3logfile.com/" // 云端数据同步服务地址，七牛云 OSS，用于数据同步文件上传、下载
+	BazaarStatServer = "http://bazaar.b3logfile.com"        // 集市包统计服务地址，直接对接 Bucket 没有 CDN 缓存
+	BazaarOSSServer  = "https://oss.b3logfile.com"          // 云端对象存储地址，七牛云，仅用于读取集市包
 )
 
 func ShortPathForBootingDisplay(p string) string {