diff --git a/models/download.go b/models/download.go
new file mode 100644
index 0000000..eb80ce0
--- /dev/null
+++ b/models/download.go
@@ -0,0 +1,30 @@
+package model
+
+import (
+	"github.com/HFO4/cloudreve/pkg/util"
+	"github.com/jinzhu/gorm"
+)
+
+// Download 离线下载队列模型
+type Download struct {
+	gorm.Model
+	Status   int    // 任务状态
+	Type     int    // 任务类型
+	Name     string // 任务文件名
+	Size     uint64 // 文件大小
+	PID      string // 任务ID
+	Path     string `gorm:"type:text"` // 存储路径
+	Attrs    string `gorm:"type:text"` // 任务状态属性
+	FolderID uint   // 存储父目录ID
+	UserID   uint   // 发起者UID
+	TaskID   uint   // 对应的转存任务ID
+}
+
+// Create 创建离线下载记录
+func (task *Download) Create() (uint, error) {
+	if err := DB.Create(task).Error; err != nil {
+		util.Log().Warning("无法插入离线下载记录, %s", err)
+		return 0, err
+	}
+	return task.ID, nil
+}
diff --git a/models/file.go b/models/file.go
index 759425e..17473a2 100644
--- a/models/file.go
+++ b/models/file.go
@@ -13,8 +13,8 @@ type File struct {
 	// 表字段
 	gorm.Model
 	Name       string `gorm:"unique_index:idx_only_one"`
-	SourceName string
-	UserID     uint `gorm:"index:user_id;unique_index:idx_only_one"`
+	SourceName string `gorm:"type:text"`
+	UserID     uint   `gorm:"index:user_id;unique_index:idx_only_one"`
 	Size       uint64
 	PicInfo    string
 	FolderID   uint `gorm:"index:folder_id;unique_index:idx_only_one"`
diff --git a/pkg/filesystem/driver/onedrive/api.go b/pkg/filesystem/driver/onedrive/api.go
index 4c26eaf..d0a674d 100644
--- a/pkg/filesystem/driver/onedrive/api.go
+++ b/pkg/filesystem/driver/onedrive/api.go
@@ -269,7 +269,28 @@ func (client *Client) SimpleUpload(ctx context.Context, dst string, body io.Read
 	return &uploadRes, nil
 }
 
-// Delete 并行删除文件，返回删除失败的文件，及第一个遇到的错误
+// BatchDelete 并行删除给出的文件，返回删除失败的文件，及第一个遇到的错误。此方法将文件分为
+// 20个一组，调用Delete并行删除
+// TODO 测试
+func (client *Client) BatchDelete(ctx context.Context, dst []string) ([]string, error) {
+	groupNum := len(dst)/20 + 1
+	finalRes := make([]string, 0, len(dst))
+	res := make([]string, 0, 20)
+	var err error
+
+	for i := 0; i < groupNum; i++ {
+		end := 20*i + 20
+		if i == groupNum-1 {
+			end = len(dst)
+		}
+		res, err = client.Delete(ctx, dst[20*i:end])
+		finalRes = append(finalRes, res...)
+	}
+
+	return finalRes, err
+}
+
+// Delete 并行删除文件，返回删除失败的文件，及第一个遇到的错误，最多删除20个
 func (client *Client) Delete(ctx context.Context, dst []string) ([]string, error) {
 	body := client.makeBatchDeleteRequestsBody(dst)
 	res, err := client.requestWithStr(ctx, "POST", client.getRequestURL("$batch"), body, 200)
diff --git a/pkg/filesystem/driver/onedrive/handller.go b/pkg/filesystem/driver/onedrive/handller.go
index b04dce3..6663545 100644
--- a/pkg/filesystem/driver/onedrive/handller.go
+++ b/pkg/filesystem/driver/onedrive/handller.go
@@ -64,7 +64,7 @@ func (handler Driver) Put(ctx context.Context, file io.ReadCloser, dst string, s
 // Delete 删除一个或多个文件，
 // 返回未删除的文件，及遇到的最后一个错误
 func (handler Driver) Delete(ctx context.Context, files []string) ([]string, error) {
-	return handler.Client.Delete(ctx, files)
+	return handler.Client.BatchDelete(ctx, files)
 }
 
 // Thumb 获取文件缩略图
diff --git a/routers/router.go b/routers/router.go
index b24ac73..7fe27e8 100644
--- a/routers/router.go
+++ b/routers/router.go
@@ -273,6 +273,9 @@ func InitMasterRouter() *gin.Engine {
 				file.POST("decompress", controllers.Decompress)
 			}
 
+			// 离线下载任务
+			//aria2 := auth.Group("aria2")
+
 			// 目录
 			directory := auth.Group("directory")
 			{