diff --git a/models/file.go b/models/file.go
index b7b3707f..bc879b2d 100644
--- a/models/file.go
+++ b/models/file.go
@@ -126,11 +126,21 @@ func (folder *Folder) GetChildFiles() ([]File, error) {
 
 // GetFilesByIDs 根据文件ID批量获取文件,
 // UID为0表示忽略用户，只根据文件ID检索
-func GetFilesByIDs(ids []uint, uid uint) ([]File, error) {
-	return GetFilesByIDsFromTX(DB, ids, uid)
+func GetFilesByIDs(ids []uint, uid, gid uint) ([]File, error) {
+	uResult, err := GetFilesByIDsFromTX(DB, ids, int(uid))
+	if err == nil && len(uResult) > 0 {
+		return uResult, nil
+	}
+
+	gResult, err := GetFilesByIDsFromTX(DB, ids, -int(gid))
+	if err == nil && len(gResult) > 0 {
+		return gResult, nil
+	}
+
+	return []File{}, err
 }
 
-func GetFilesByIDsFromTX(tx *gorm.DB, ids []uint, uid uint) ([]File, error) {
+func GetFilesByIDsFromTX(tx *gorm.DB, ids []uint, uid int) ([]File, error) {
 	var files []File
 	var result *gorm.DB
 	if uid == 0 {
@@ -295,9 +305,13 @@ func GetFilesByParentIDs(ids []uint, uid uint) ([]File, error) {
 }
 
 // GetFilesByUploadSession 查找上传会话对应的文件
-func GetFilesByUploadSession(sessionID string, uid uint) (*File, error) {
+func GetFilesByUploadSession(sessionID string, user *User) (*File, error) {
 	file := File{}
-	result := DB.Where("user_id = ? and upload_session_id = ?", uid, sessionID).Find(&file)
+	result := DB.Where("user_id = ? and upload_session_id = ?", user.ID, sessionID).Find(&file)
+	if result.Error != nil {
+		result = DB.Where("user_id = ? and upload_session_id = ?", -int(user.GroupID), sessionID).Find(&file)
+	}
+
 	return &file, result.Error
 }
 
diff --git a/models/share.go b/models/share.go
index 750eb48e..3a13afbd 100644
--- a/models/share.go
+++ b/models/share.go
@@ -118,7 +118,7 @@ func (share *Share) SourceFolder() *Folder {
 // SourceFile 获取源文件
 func (share *Share) SourceFile() *File {
 	if share.File.ID == 0 {
-		files, _ := GetFilesByIDs([]uint{share.SourceID}, share.UserID)
+		files, _ := GetFilesByIDs([]uint{share.SourceID}, share.UserID, 0)
 		if len(files) > 0 {
 			share.File = files[0]
 		}
diff --git a/models/source_link.go b/models/source_link.go
index 49dfea28..94c97188 100644
--- a/models/source_link.go
+++ b/models/source_link.go
@@ -32,7 +32,7 @@ func (s *SourceLink) Link() (string, error) {
 func GetSourceLinkByID(id interface{}) (*SourceLink, error) {
 	link := &SourceLink{}
 	result := DB.Where("id = ?", id).First(link)
-	files, _ := GetFilesByIDs([]uint{link.FileID}, 0)
+	files, _ := GetFilesByIDs([]uint{link.FileID}, 0, 0)
 	if len(files) > 0 {
 		link.File = files[0]
 	}
diff --git a/pkg/filesystem/archive.go b/pkg/filesystem/archive.go
index 78fc45fd..8bf9eb9b 100644
--- a/pkg/filesystem/archive.go
+++ b/pkg/filesystem/archive.go
@@ -33,7 +33,7 @@ func (fs *FileSystem) Compress(ctx context.Context, writer io.Writer, folderIDs,
 	}
 
 	// 查找待压缩文件
-	files, err := model.GetFilesByIDs(fileIDs, fs.User.ID)
+	files, err := model.GetFilesByIDs(fileIDs, fs.User.ID, fs.User.GroupID)
 	if err != nil && len(fileIDs) != 0 {
 		return ErrDBListObjects
 	}
diff --git a/pkg/filesystem/file.go b/pkg/filesystem/file.go
index 21ad8b09..69b40729 100644
--- a/pkg/filesystem/file.go
+++ b/pkg/filesystem/file.go
@@ -53,10 +53,17 @@ func (fs *FileSystem) AddFile(ctx context.Context, parent *model.Folder, file fs
 	}
 
 	uploadInfo := file.Info()
+
+	var id int
+	if parent.OwnerID < 0 {
+		id = parent.OwnerID
+	} else {
+		id = int(fs.User.ID)
+	}
 	newFile := model.File{
 		Name:               uploadInfo.FileName,
 		SourceName:         uploadInfo.SavePath,
-		UserID:             int(fs.User.ID),
+		UserID:             id,
 		Size:               uploadInfo.Size,
 		FolderID:           parent.ID,
 		PolicyID:           fs.Policy.ID,
@@ -325,20 +332,20 @@ func (fs *FileSystem) ResetFileIfNotExist(ctx context.Context, path string) erro
 
 // ResetFileIfNotExist 重设当前目标文件为 id，如果当前目标为空
 func (fs *FileSystem) resetFileIDIfNotExist(ctx context.Context, id uint) error {
-	// 找到文件
-	if len(fs.FileTarget) == 0 {
-		file, err := model.GetFilesByIDs([]uint{id}, fs.User.ID)
-		if err != nil || len(file) == 0 {
+	// 如果上下文限制了父目录，则进行检查
+	if parent, ok := ctx.Value(fsctx.LimitParentCtx).(*model.Folder); ok {
+		if parent.ID != fs.FileTarget[0].FolderID {
 			return ErrObjectNotExist
 		}
-		fs.FileTarget = []model.File{file[0]}
 	}
 
-	// 如果上下文限制了父目录，则进行检查
-	if parent, ok := ctx.Value(fsctx.LimitParentCtx).(*model.Folder); ok {
-		if parent.ID != fs.FileTarget[0].FolderID {
+	// 找到文件
+	if len(fs.FileTarget) == 0 {
+		file, err := model.GetFilesByIDs([]uint{id}, fs.User.ID, fs.User.GroupID)
+		if err != nil || len(file) == 0 {
 			return ErrObjectNotExist
 		}
+		fs.FileTarget = []model.File{file[0]}
 	}
 
 	// 将当前存储策略重设为文件使用的
diff --git a/pkg/filesystem/filesystem.go b/pkg/filesystem/filesystem.go
index 1e14fa81..2452c0ee 100644
--- a/pkg/filesystem/filesystem.go
+++ b/pkg/filesystem/filesystem.go
@@ -262,7 +262,7 @@ func (fs *FileSystem) SetTargetDir(dirs *[]model.Folder) {
 
 // SetTargetFileByIDs 根据文件ID设置目标文件，忽略用户ID
 func (fs *FileSystem) SetTargetFileByIDs(ids []uint) error {
-	files, err := model.GetFilesByIDs(ids, 0)
+	files, err := model.GetFilesByIDs(ids, 0, 0)
 	if err != nil || len(files) == 0 {
 		return ErrFileExisted.WithError(err)
 	}
diff --git a/pkg/filesystem/manage.go b/pkg/filesystem/manage.go
index 2534dcc1..4b3fbedc 100644
--- a/pkg/filesystem/manage.go
+++ b/pkg/filesystem/manage.go
@@ -26,7 +26,7 @@ func (fs *FileSystem) Rename(ctx context.Context, dir, file []uint, new string)
 
 	// 如果源对象是文件
 	if len(file) > 0 {
-		fileObject, err := model.GetFilesByIDs([]uint{file[0]}, fs.User.ID)
+		fileObject, err := model.GetFilesByIDs([]uint{file[0]}, fs.User.ID, fs.User.GroupID)
 		if err != nil || len(fileObject) == 0 {
 			return ErrPathNotExist
 		}
@@ -257,7 +257,7 @@ func (fs *FileSystem) ListDeleteDirs(ctx context.Context, ids []uint) error {
 
 // ListDeleteFiles 根据给定的路径列出要删除的文件
 func (fs *FileSystem) ListDeleteFiles(ctx context.Context, ids []uint) error {
-	files, err := model.GetFilesByIDs(ids, fs.User.ID)
+	files, err := model.GetFilesByIDs(ids, fs.User.ID, fs.User.GroupID)
 	if err != nil {
 		return ErrDBListObjects.WithError(err)
 	}
diff --git a/service/admin/file.go b/service/admin/file.go
index 3c0cc773..c1879340 100644
--- a/service/admin/file.go
+++ b/service/admin/file.go
@@ -87,7 +87,7 @@ func (service *ListFolderService) List(c *gin.Context) serializer.Response {
 
 // Delete 删除文件
 func (service *FileBatchService) Delete(c *gin.Context) serializer.Response {
-	files, err := model.GetFilesByIDs(service.ID, 0)
+	files, err := model.GetFilesByIDs(service.ID, 0, 0)
 	if err != nil {
 		return serializer.DBErr("Failed to list files for deleting", err)
 	}
@@ -141,7 +141,7 @@ func (service *FileBatchService) Delete(c *gin.Context) serializer.Response {
 
 // Get 预览文件
 func (service *FileService) Get(c *gin.Context) serializer.Response {
-	file, err := model.GetFilesByIDs([]uint{service.ID}, 0)
+	file, err := model.GetFilesByIDs([]uint{service.ID}, 0, 0)
 	if err != nil {
 		return serializer.Err(serializer.CodeFileNotFound, "", err)
 	}
diff --git a/service/callback/upload.go b/service/callback/upload.go
index 0dd7924c..0ad004db 100644
--- a/service/callback/upload.go
+++ b/service/callback/upload.go
@@ -120,7 +120,7 @@ func ProcessCallback(service CallbackProcessService, c *gin.Context) serializer.
 	uploadSession := c.MustGet(filesystem.UploadSessionCtx).(*serializer.UploadSession)
 
 	// 查找上传会话创建的占位文件
-	file, err := model.GetFilesByUploadSession(uploadSession.Key, fs.User.ID)
+	file, err := model.GetFilesByUploadSession(uploadSession.Key, fs.User)
 	if err != nil {
 		return serializer.Err(serializer.CodeUploadSessionExpired, "LocalUpload session file placeholder not exist", err)
 	}
diff --git a/service/explorer/file.go b/service/explorer/file.go
index 1c9d870d..27e93eb7 100644
--- a/service/explorer/file.go
+++ b/service/explorer/file.go
@@ -433,7 +433,7 @@ func (service *FileIDService) PutContent(ctx context.Context, c *gin.Context) se
 
 	// 取得现有文件
 	fileID, _ := c.Get("object_id")
-	originFile, _ := model.GetFilesByIDs([]uint{fileID.(uint)}, fs.User.ID)
+	originFile, _ := model.GetFilesByIDs([]uint{fileID.(uint)}, fs.User.ID, fs.User.GroupID)
 	if len(originFile) == 0 {
 		return serializer.Err(serializer.CodeFileNotFound, "", nil)
 	}
@@ -485,7 +485,7 @@ func (s *ItemIDService) Sources(ctx context.Context, c *gin.Context) serializer.
 	}
 
 	res := make([]serializer.Sources, 0, len(s.Raw().Items))
-	files, err := model.GetFilesByIDs(s.Raw().Items, fs.User.ID)
+	files, err := model.GetFilesByIDs(s.Raw().Items, fs.User.ID, fs.User.GroupID)
 	if err != nil || len(files) == 0 {
 		return serializer.Err(serializer.CodeFileNotFound, "", err)
 	}
diff --git a/service/explorer/objects.go b/service/explorer/objects.go
index 1c3c45a2..4f92e2be 100644
--- a/service/explorer/objects.go
+++ b/service/explorer/objects.go
@@ -381,7 +381,7 @@ func (service *ItemPropertyService) GetProperty(ctx context.Context, c *gin.Cont
 			return serializer.Err(serializer.CodeNotFound, "", err)
 		}
 
-		file, err := model.GetFilesByIDs([]uint{res}, user.ID)
+		file, err := model.GetFilesByIDs([]uint{res}, user.ID, user.GroupID)
 		if err != nil {
 			return serializer.DBErr("Failed to query file records", err)
 		}
diff --git a/service/explorer/upload.go b/service/explorer/upload.go
index 0c26c26c..221f0b7a 100644
--- a/service/explorer/upload.go
+++ b/service/explorer/upload.go
@@ -94,7 +94,7 @@ func (service *UploadService) LocalUpload(ctx context.Context, c *gin.Context) s
 	}
 
 	// 查找上传会话创建的占位文件
-	file, err := model.GetFilesByUploadSession(service.ID, fs.User.ID)
+	file, err := model.GetFilesByUploadSession(service.ID, fs.User)
 	if err != nil {
 		return serializer.Err(serializer.CodeUploadSessionExpired, "", err)
 	}
@@ -232,7 +232,7 @@ func (service *UploadSessionService) Delete(ctx context.Context, c *gin.Context)
 	defer fs.Recycle()
 
 	// 查找需要删除的上传会话的占位文件
-	file, err := model.GetFilesByUploadSession(service.ID, fs.User.ID)
+	file, err := model.GetFilesByUploadSession(service.ID, fs.User)
 	if err != nil {
 		return serializer.Err(serializer.CodeUploadSessionExpired, "", err)
 	}
diff --git a/service/share/manage.go b/service/share/manage.go
index 9daccdb4..0000a7a3 100644
--- a/service/share/manage.go
+++ b/service/share/manage.go
@@ -101,7 +101,7 @@ func (service *ShareCreateService) Create(c *gin.Context) serializer.Response {
 			sourceName = folder[0].Name
 		}
 	} else {
-		file, err := model.GetFilesByIDs([]uint{sourceID}, user.ID)
+		file, err := model.GetFilesByIDs([]uint{sourceID}, user.ID, user.GroupID)
 		if err != nil || len(file) == 0 {
 			exist = false
 		} else {