diff --git a/internal/objstorage/minio.go b/internal/objstorage/minio.go
index 3400c8f8a..cbe6a699f 100644
--- a/internal/objstorage/minio.go
+++ b/internal/objstorage/minio.go
@@ -9,9 +9,9 @@ import (
 	"time"
 )
 
-//func NewMinio() Interface {
-//	return &minioImpl{}
-//}
+func NewMinio() Interface {
+	return &minioImpl{}
+}
 
 type minioImpl struct {
 	uploadBucket    string // 上传桶
@@ -36,6 +36,10 @@ func (m *minioImpl) Name() string {
 	return "minio"
 }
 
+func (m *minioImpl) MinMultipartSize() int64 {
+	return 1024 * 1024 * 5 // minio.absMinPartSize
+}
+
 func (m *minioImpl) UploadBucket() string {
 	return m.uploadBucket
 }
diff --git a/internal/objstorage/oo.go b/internal/objstorage/oo.go
index 33a0eb5b5..b9b365ccb 100644
--- a/internal/objstorage/oo.go
+++ b/internal/objstorage/oo.go
@@ -5,6 +5,7 @@ import "context"
 type Interface interface {
 	Init() error
 	Name() string
+	MinMultipartSize() int64
 	UploadBucket() string
 	PermanentBucket() string
 	ClearBucket() string
diff --git a/pkg/utils/utils_v2.go b/pkg/utils/utils_v2.go
index 38fae8424..8d567e050 100644
--- a/pkg/utils/utils_v2.go
+++ b/pkg/utils/utils_v2.go
@@ -32,6 +32,11 @@ func SliceSubAny[E comparable, T any](a []E, b []T, fn func(t T) E) []E {
 	return SliceSub(a, Slice(b, fn))
 }
 
+// SliceAnySub a中存在,b中不存在 (a-b) fn 返回的是uuid
+func SliceAnySub[E any, T comparable](a, b []E, fn func(t E) T) []E {
+	panic("todo")
+}
+
 // DistinctAny 去重
 func DistinctAny[E any, K comparable](es []E, fn func(e E) K) []E {
 	v := make([]E, 0, len(es))