diff --git a/pkg/cluster/master.go b/pkg/cluster/master.go
index 3d6fff14..7307a6ce 100644
--- a/pkg/cluster/master.go
+++ b/pkg/cluster/master.go
@@ -102,16 +102,19 @@ func (node *MasterNode) Kill() {
 // GetAria2Instance 获取主机Aria2实例
 func (node *MasterNode) GetAria2Instance() common.Aria2 {
 	node.lock.RLock()
-	defer node.lock.RUnlock()
 
 	if !node.Model.Aria2Enabled {
+		node.lock.RUnlock()
 		return &common.DummyAria2{}
 	}
 
 	if !node.aria2RPC.Initialized {
+		node.lock.RUnlock()
+		node.aria2RPC.Init()
 		return &common.DummyAria2{}
 	}
 
+	defer node.lock.RUnlock()
 	return &node.aria2RPC
 }
 
diff --git a/pkg/filesystem/driver/handler.go b/pkg/filesystem/driver/handler.go
new file mode 100644
index 00000000..758d3861
--- /dev/null
+++ b/pkg/filesystem/driver/handler.go
@@ -0,0 +1,39 @@
+package driver
+
+import (
+	"context"
+	"github.com/cloudreve/Cloudreve/v3/pkg/filesystem/response"
+	"github.com/cloudreve/Cloudreve/v3/pkg/serializer"
+	"io"
+	"net/url"
+)
+
+// Handler 存储策略适配器
+type Handler interface {
+	// 上传文件, dst为文件存储路径，size 为文件大小。上下文关闭
+	// 时，应取消上传并清理临时文件
+	Put(ctx context.Context, file io.ReadCloser, dst string, size uint64) error
+
+	// 删除一个或多个给定路径的文件，返回删除失败的文件路径列表及错误
+	Delete(ctx context.Context, files []string) ([]string, error)
+
+	// 获取文件内容
+	Get(ctx context.Context, path string) (response.RSCloser, error)
+
+	// 获取缩略图，可直接在ContentResponse中返回文件数据流，也可指
+	// 定为重定向
+	Thumb(ctx context.Context, path string) (*response.ContentResponse, error)
+
+	// 获取外链/下载地址，
+	// url - 站点本身地址,
+	// isDownload - 是否直接下载
+	Source(ctx context.Context, path string, url url.URL, ttl int64, isDownload bool, speed int) (string, error)
+
+	// Token 获取有效期为ttl的上传凭证和签名，同时回调会话有效期为sessionTTL
+	Token(ctx context.Context, ttl int64, callbackKey string) (serializer.UploadCredential, error)
+
+	// List 递归列取远程端path路径下文件、目录，不包含path本身，
+	// 返回的对象路径以path作为起始根目录.
+	// recursive - 是否递归列出
+	List(ctx context.Context, path string, recursive bool) ([]response.Object, error)
+}
diff --git a/pkg/filesystem/driver/shadow/slave/errors.go b/pkg/filesystem/driver/shadow/slave/errors.go
new file mode 100644
index 00000000..4a42c0f6
--- /dev/null
+++ b/pkg/filesystem/driver/shadow/slave/errors.go
@@ -0,0 +1,7 @@
+package slave
+
+import "errors"
+
+var (
+	ErrNotImplemented = errors.New("This method of shadowed policy is not implemented")
+)
diff --git a/pkg/filesystem/driver/shadow/slave/handler.go b/pkg/filesystem/driver/shadow/slave/handler.go
new file mode 100644
index 00000000..cd3596f7
--- /dev/null
+++ b/pkg/filesystem/driver/shadow/slave/handler.go
@@ -0,0 +1,57 @@
+package slave
+
+import (
+	"context"
+	model "github.com/cloudreve/Cloudreve/v3/models"
+	"github.com/cloudreve/Cloudreve/v3/pkg/cluster"
+	"github.com/cloudreve/Cloudreve/v3/pkg/filesystem/driver"
+	"github.com/cloudreve/Cloudreve/v3/pkg/filesystem/response"
+	"github.com/cloudreve/Cloudreve/v3/pkg/serializer"
+	"io"
+	"net/url"
+)
+
+// Driver 影子存储策略，将上传任务指派给从机节点处理，并等待从机通知上传结果
+type Driver struct {
+	node    cluster.Node
+	handler driver.Handler
+	policy  *model.Policy
+}
+
+// NewDriver 返回新的从机指派处理器
+func NewDriver(node cluster.Node, handler driver.Handler, policy *model.Policy) driver.Handler {
+	return &Driver{
+		node:    node,
+		handler: handler,
+		policy:  policy,
+	}
+}
+
+func (d Driver) Put(ctx context.Context, file io.ReadCloser, dst string, size uint64) error {
+
+	panic("implement me")
+}
+
+func (d Driver) Delete(ctx context.Context, files []string) ([]string, error) {
+	panic("implement me")
+}
+
+func (d Driver) Get(ctx context.Context, path string) (response.RSCloser, error) {
+	panic("implement me")
+}
+
+func (d Driver) Thumb(ctx context.Context, path string) (*response.ContentResponse, error) {
+	panic("implement me")
+}
+
+func (d Driver) Source(ctx context.Context, path string, url url.URL, ttl int64, isDownload bool, speed int) (string, error) {
+	panic("implement me")
+}
+
+func (d Driver) Token(ctx context.Context, ttl int64, callbackKey string) (serializer.UploadCredential, error) {
+	panic("implement me")
+}
+
+func (d Driver) List(ctx context.Context, path string, recursive bool) ([]response.Object, error) {
+	panic("implement me")
+}
diff --git a/pkg/filesystem/filesystem.go b/pkg/filesystem/filesystem.go
index 31dd2c46..52871fb9 100644
--- a/pkg/filesystem/filesystem.go
+++ b/pkg/filesystem/filesystem.go
@@ -1,9 +1,10 @@
 package filesystem
 
 import (
-	"context"
 	"errors"
 	"github.com/cloudreve/Cloudreve/v3/pkg/cluster"
+	"github.com/cloudreve/Cloudreve/v3/pkg/filesystem/driver"
+	"github.com/cloudreve/Cloudreve/v3/pkg/filesystem/driver/shadow/slave"
 	"io"
 	"net/http"
 	"net/url"
@@ -20,7 +21,6 @@ import (
 	"github.com/cloudreve/Cloudreve/v3/pkg/filesystem/driver/remote"
 	"github.com/cloudreve/Cloudreve/v3/pkg/filesystem/driver/s3"
 	"github.com/cloudreve/Cloudreve/v3/pkg/filesystem/driver/upyun"
-	"github.com/cloudreve/Cloudreve/v3/pkg/filesystem/response"
 	"github.com/cloudreve/Cloudreve/v3/pkg/request"
 	"github.com/cloudreve/Cloudreve/v3/pkg/serializer"
 	"github.com/gin-gonic/gin"
@@ -44,36 +44,6 @@ type FileHeader interface {
 	GetVirtualPath() string
 }
 
-// Handler 存储策略适配器
-type Handler interface {
-	// 上传文件, dst为文件存储路径，size 为文件大小。上下文关闭
-	// 时，应取消上传并清理临时文件
-	Put(ctx context.Context, file io.ReadCloser, dst string, size uint64) error
-
-	// 删除一个或多个给定路径的文件，返回删除失败的文件路径列表及错误
-	Delete(ctx context.Context, files []string) ([]string, error)
-
-	// 获取文件内容
-	Get(ctx context.Context, path string) (response.RSCloser, error)
-
-	// 获取缩略图，可直接在ContentResponse中返回文件数据流，也可指
-	// 定为重定向
-	Thumb(ctx context.Context, path string) (*response.ContentResponse, error)
-
-	// 获取外链/下载地址，
-	// url - 站点本身地址,
-	// isDownload - 是否直接下载
-	Source(ctx context.Context, path string, url url.URL, ttl int64, isDownload bool, speed int) (string, error)
-
-	// Token 获取有效期为ttl的上传凭证和签名，同时回调会话有效期为sessionTTL
-	Token(ctx context.Context, ttl int64, callbackKey string) (serializer.UploadCredential, error)
-
-	// List 递归列取远程端path路径下文件、目录，不包含path本身，
-	// 返回的对象路径以path作为起始根目录.
-	// recursive - 是否递归列出
-	List(ctx context.Context, path string, recursive bool) ([]response.Object, error)
-}
-
 // FileSystem 管理文件的文件系统
 type FileSystem struct {
 	// 文件系统所有者
@@ -97,7 +67,7 @@ type FileSystem struct {
 	/*
 	   文件系统处理适配器
 	*/
-	Handler Handler
+	Handler driver.Handler
 
 	// 回收锁
 	recycleLock sync.Mutex
@@ -273,7 +243,7 @@ func NewFileSystemFromCallback(c *gin.Context) (*FileSystem, error) {
 
 // SwitchToSlaveHandler 将负责上传的 Handler 切换为从机节点
 func (fs *FileSystem) SwitchToSlaveHandler(node cluster.Node) {
-
+	fs.Handler = slave.NewDriver(node, fs.Handler, &fs.User.Policy)
 }
 
 // SetTargetFile 设置当前处理的目标文件
diff --git a/pkg/filesystem/fsctx/context.go b/pkg/filesystem/fsctx/context.go
index 28a2653f..d2806381 100644
--- a/pkg/filesystem/fsctx/context.go
+++ b/pkg/filesystem/fsctx/context.go
@@ -41,4 +41,6 @@ const (
 	ValidateCapacityOnceCtx
 	// 禁止上传时同名覆盖操作
 	DisableOverwrite
+	// 文件在从机节点中的路径
+	SlaveSrcPath
 )
diff --git a/pkg/task/tranfer.go b/pkg/task/tranfer.go
index 331d86fd..2c7de05b 100644
--- a/pkg/task/tranfer.go
+++ b/pkg/task/tranfer.go
@@ -108,6 +108,7 @@ func (job *TransferTask) Do() {
 		}
 
 		ctx := context.WithValue(context.Background(), fsctx.DisableOverwrite, true)
+		ctx = context.WithValue(ctx, fsctx.SlaveSrcPath, file)
 		if job.TaskProps.NodeID > 1 {
 			// 指定为从机中转
 
@@ -121,6 +122,7 @@ func (job *TransferTask) Do() {
 			fs.SwitchToSlaveHandler(node)
 			err = fs.UploadFromStream(ctx, nil, dst, job.TaskProps.SrcSizes[file])
 		} else {
+			// 主机节点中转
 			err = fs.UploadFromPath(ctx, file, dst)
 		}