diff --git a/models/file_test.go b/models/file_test.go
index 7e53c49..0f97184 100644
--- a/models/file_test.go
+++ b/models/file_test.go
@@ -15,22 +15,62 @@ func TestFile_Create(t *testing.T) {
 		Name: "123",
 	}
 
-	mock.ExpectBegin()
-	mock.ExpectExec("INSERT(.+)").WillReturnResult(sqlmock.NewResult(5, 1))
-	mock.ExpectCommit()
-	fileID, err := file.Create()
-	asserts.NoError(err)
-	asserts.Equal(uint(5), fileID)
-	asserts.Equal(uint(5), file.ID)
-	asserts.NoError(mock.ExpectationsWereMet())
+	// 无法插入文件记录
+	{
+		mock.ExpectBegin()
+		mock.ExpectExec("INSERT(.+)").WillReturnError(errors.New("error"))
+		mock.ExpectRollback()
+		err := file.Create()
+		asserts.Error(err)
+		asserts.NoError(mock.ExpectationsWereMet())
+	}
 
-	mock.ExpectBegin()
-	mock.ExpectExec("INSERT(.+)").WillReturnError(errors.New("error"))
-	mock.ExpectRollback()
-	fileID, err = file.Create()
-	asserts.Error(err)
-	asserts.NoError(mock.ExpectationsWereMet())
+	// 无法更新用户容量
+	{
+		mock.ExpectBegin()
+		mock.ExpectExec("INSERT(.+)").WillReturnResult(sqlmock.NewResult(5, 1))
+		mock.ExpectExec("UPDATE(.+)").WillReturnError(errors.New("error"))
+		mock.ExpectRollback()
+		err := file.Create()
+		asserts.Error(err)
+		asserts.NoError(mock.ExpectationsWereMet())
+	}
+
+	// 成功
+	{
+		mock.ExpectBegin()
+		mock.ExpectExec("INSERT(.+)").WillReturnResult(sqlmock.NewResult(5, 1))
+		mock.ExpectExec("UPDATE(.+)storage(.+)").WillReturnResult(sqlmock.NewResult(0, 1))
+		mock.ExpectCommit()
+		err := file.Create()
+		asserts.NoError(err)
+		asserts.Equal(uint(5), file.ID)
+		asserts.NoError(mock.ExpectationsWereMet())
+	}
+}
+
+func TestFile_AfterFind(t *testing.T) {
+	a := assert.New(t)
+	file := File{
+		Name:     "123",
+		Metadata: "{\"name\":\"123\"}",
+	}
+
+	a.NoError(file.AfterFind())
+	a.Equal("123", file.MetadataSerialized["name"])
+}
+
+func TestFile_BeforeSave(t *testing.T) {
+	a := assert.New(t)
+	file := File{
+		Name: "123",
+		MetadataSerialized: map[string]string{
+			"name": "123",
+		},
+	}
 
+	a.NoError(file.BeforeSave())
+	a.Equal("{\"name\":\"123\"}", file.Metadata)
 }
 
 func TestFolder_GetChildFile(t *testing.T) {
@@ -175,6 +215,17 @@ func TestGetChildFilesOfFolders(t *testing.T) {
 	}
 }
 
+func TestGetUploadPlaceholderFiles(t *testing.T) {
+	a := assert.New(t)
+
+	mock.ExpectQuery("SELECT(.+)upload_session_id(.+)").
+		WithArgs(1).
+		WillReturnRows(sqlmock.NewRows([]string{"id", "name"}).AddRow(1, "1"))
+	files := GetUploadPlaceholderFiles(1)
+	a.NoError(mock.ExpectationsWereMet())
+	a.Len(files, 1)
+}
+
 func TestFile_GetPolicy(t *testing.T) {
 	asserts := assert.New(t)
 
@@ -282,28 +333,50 @@ func TestRemoveFilesWithSoftLinks(t *testing.T) {
 	}
 }
 
-func TestDeleteFileByIDs(t *testing.T) {
-	asserts := assert.New(t)
+func TestDeleteFiles(t *testing.T) {
+	a := assert.New(t)
 
-	// 出错
+	// uid 不一致
+	{
+		err := DeleteFiles([]*File{{}}, 1)
+		a.Contains("User id not consistent", err.Error())
+	}
+
+	// 删除失败
 	{
 		mock.ExpectBegin()
 		mock.ExpectExec("DELETE(.+)").
 			WillReturnError(errors.New("error"))
 		mock.ExpectRollback()
-		err := DeleteFileByIDs([]uint{1, 2, 3})
-		asserts.NoError(mock.ExpectationsWereMet())
-		asserts.Error(err)
+		err := DeleteFiles([]*File{{}}, 0)
+		a.NoError(mock.ExpectationsWereMet())
+		a.Error(err)
 	}
-	// 成功
+
+	// 无法变更用户容量
 	{
 		mock.ExpectBegin()
 		mock.ExpectExec("DELETE(.+)").
-			WillReturnResult(sqlmock.NewResult(0, 3))
+			WillReturnResult(sqlmock.NewResult(1, 1))
+		mock.ExpectExec("UPDATE(.+)storage(.+)").WillReturnError(errors.New("error"))
+		mock.ExpectRollback()
+		err := DeleteFiles([]*File{{}}, 0)
+		a.NoError(mock.ExpectationsWereMet())
+		a.Error(err)
+	}
+
+	// 成功，其中一个文件已经不存在
+	{
+		mock.ExpectBegin()
+		mock.ExpectExec("DELETE(.+)").
+			WillReturnResult(sqlmock.NewResult(1, 0))
+		mock.ExpectExec("DELETE(.+)").
+			WillReturnResult(sqlmock.NewResult(2, 1))
+		mock.ExpectExec("UPDATE(.+)storage(.+)").WithArgs(uint64(2), sqlmock.AnyArg()).WillReturnResult(sqlmock.NewResult(1, 1))
 		mock.ExpectCommit()
-		err := DeleteFileByIDs([]uint{1, 2, 3})
-		asserts.NoError(mock.ExpectationsWereMet())
-		asserts.NoError(err)
+		err := DeleteFiles([]*File{{Size: 1}, {Size: 2}}, 0)
+		a.NoError(mock.ExpectationsWereMet())
+		a.NoError(err)
 	}
 }
 
@@ -324,6 +397,19 @@ func TestGetFilesByParentIDs(t *testing.T) {
 	asserts.Len(files, 3)
 }
 
+func TestGetFilesByUploadSession(t *testing.T) {
+	a := assert.New(t)
+
+	mock.ExpectQuery("SELECT(.+)").
+		WithArgs(1, "sessionID").
+		WillReturnRows(
+			sqlmock.NewRows([]string{"id", "name"}).AddRow(4, "4.txt"))
+	files, err := GetFilesByUploadSession("sessionID", 1)
+	a.NoError(err)
+	a.NoError(mock.ExpectationsWereMet())
+	a.Equal("4.txt", files.Name)
+}
+
 func TestFile_Updates(t *testing.T) {
 	asserts := assert.New(t)
 	file := File{Model: gorm.Model{ID: 1}}
@@ -340,24 +426,93 @@ func TestFile_Updates(t *testing.T) {
 	// UpdatePicInfo
 	{
 		mock.ExpectBegin()
-		mock.ExpectExec("UPDATE(.+)").WithArgs(10, sqlmock.AnyArg(), 1).WillReturnResult(sqlmock.NewResult(1, 1))
+		mock.ExpectExec("UPDATE(.+)").WithArgs("1,1", 1).WillReturnResult(sqlmock.NewResult(1, 1))
 		mock.ExpectCommit()
-		err := file.UpdateSize(10)
+		err := file.UpdatePicInfo("1,1")
 		asserts.NoError(mock.ExpectationsWereMet())
 		asserts.NoError(err)
 	}
 
-	// UpdatePicInfo
+	// UpdateSourceName
 	{
 		mock.ExpectBegin()
-		mock.ExpectExec("UPDATE(.+)").WithArgs("1,1", sqlmock.AnyArg(), 1).WillReturnResult(sqlmock.NewResult(1, 1))
+		mock.ExpectExec("UPDATE(.+)").WithArgs("newName", sqlmock.AnyArg(), 1).WillReturnResult(sqlmock.NewResult(1, 1))
 		mock.ExpectCommit()
-		err := file.UpdatePicInfo("1,1")
+		err := file.UpdateSourceName("newName")
 		asserts.NoError(mock.ExpectationsWereMet())
 		asserts.NoError(err)
 	}
 }
 
+func TestFile_UpdateSize(t *testing.T) {
+	a := assert.New(t)
+
+	// 增加成功
+	{
+		file := File{Size: 10}
+		mock.ExpectBegin()
+		mock.ExpectExec("UPDATE(.+)files(.+)").WithArgs(11, sqlmock.AnyArg(), 10).WillReturnResult(sqlmock.NewResult(1, 1))
+		mock.ExpectExec("UPDATE(.+)storage(.+)+(.+)").WithArgs(uint64(1), sqlmock.AnyArg()).WillReturnResult(sqlmock.NewResult(1, 1))
+		mock.ExpectCommit()
+
+		a.NoError(file.UpdateSize(11))
+		a.NoError(mock.ExpectationsWereMet())
+	}
+
+	// 减少成功
+	{
+		file := File{Size: 10}
+		mock.ExpectBegin()
+		mock.ExpectExec("UPDATE(.+)files(.+)").WithArgs(8, sqlmock.AnyArg(), 10).WillReturnResult(sqlmock.NewResult(1, 1))
+		mock.ExpectExec("UPDATE(.+)storage(.+)-(.+)").WithArgs(uint64(2), sqlmock.AnyArg()).WillReturnResult(sqlmock.NewResult(1, 1))
+		mock.ExpectCommit()
+
+		a.NoError(file.UpdateSize(8))
+		a.NoError(mock.ExpectationsWereMet())
+	}
+
+	// 文件更新失败
+	{
+		file := File{Size: 10}
+		mock.ExpectBegin()
+		mock.ExpectExec("UPDATE(.+)files(.+)").WithArgs(8, sqlmock.AnyArg(), 10).WillReturnError(errors.New("error"))
+		mock.ExpectRollback()
+
+		a.Error(file.UpdateSize(8))
+		a.NoError(mock.ExpectationsWereMet())
+	}
+
+	// 用户容量更新失败
+	{
+		file := File{Size: 10}
+		mock.ExpectBegin()
+		mock.ExpectExec("UPDATE(.+)files(.+)").WithArgs(8, sqlmock.AnyArg(), 10).WillReturnResult(sqlmock.NewResult(1, 1))
+		mock.ExpectExec("UPDATE(.+)storage(.+)-(.+)").WithArgs(uint64(2), sqlmock.AnyArg()).WillReturnError(errors.New("error"))
+		mock.ExpectRollback()
+
+		a.Error(file.UpdateSize(8))
+		a.NoError(mock.ExpectationsWereMet())
+	}
+}
+
+func TestFile_PopChunkToFile(t *testing.T) {
+	a := assert.New(t)
+	timeNow := time.Now()
+	file := File{}
+	mock.ExpectBegin()
+	mock.ExpectExec("UPDATE(.+)files(.+)").WillReturnResult(sqlmock.NewResult(1, 1))
+	mock.ExpectCommit()
+	a.NoError(file.PopChunkToFile(&timeNow, "1,1"))
+}
+
+func TestFile_CanCopy(t *testing.T) {
+	a := assert.New(t)
+	file := File{}
+	a.True(file.CanCopy())
+	file.UploadSessionID = &file.Name
+	a.False(file.CanCopy())
+}
+
 func TestFile_FileInfoInterface(t *testing.T) {
 	asserts := assert.New(t)
 	file := File{
diff --git a/models/folder_test.go b/models/folder_test.go
index 7c74f48..8174708 100644
--- a/models/folder_test.go
+++ b/models/folder_test.go
@@ -212,12 +212,14 @@ func TestFolder_MoveOrCopyFileTo(t *testing.T) {
 			WithArgs(
 				1,
 				2,
+				3,
 				1,
 				1,
 			).WillReturnRows(
-			sqlmock.NewRows([]string{"id", "size"}).
-				AddRow(1, 10).
-				AddRow(2, 20),
+			sqlmock.NewRows([]string{"id", "size", "upload_session_id"}).
+				AddRow(1, 10, nil).
+				AddRow(2, 20, nil).
+				AddRow(2, 20, &folder.Name),
 		)
 		mock.ExpectBegin()
 		mock.ExpectExec("INSERT(.+)").WillReturnResult(sqlmock.NewResult(1, 1))
@@ -226,7 +228,7 @@ func TestFolder_MoveOrCopyFileTo(t *testing.T) {
 		mock.ExpectExec("INSERT(.+)").WillReturnResult(sqlmock.NewResult(1, 1))
 		mock.ExpectCommit()
 		storage, err := folder.MoveOrCopyFileTo(
-			[]uint{1, 2},
+			[]uint{1, 2, 3},
 			&dstFolder,
 			true,
 		)
@@ -335,7 +337,7 @@ func TestFolder_CopyFolderTo(t *testing.T) {
 	// 测试复制目录结构
 	//       test(2)(5)
 	//    1(3)(6)    2.txt
-	//  3(4)(7) 4.txt
+	//  3(4)(7) 4.txt 5.txt(上传中)
 
 	// 正常情况 成功
 	{
@@ -360,9 +362,10 @@ func TestFolder_CopyFolderTo(t *testing.T) {
 		mock.ExpectQuery("SELECT(.+)").
 			WithArgs(1, 2, 3, 4).
 			WillReturnRows(
-				sqlmock.NewRows([]string{"id", "name", "folder_id", "size"}).
-					AddRow(1, "2.txt", 2, 10).
-					AddRow(2, "3.txt", 3, 20),
+				sqlmock.NewRows([]string{"id", "name", "folder_id", "size", "upload_session_id"}).
+					AddRow(1, "2.txt", 2, 10, nil).
+					AddRow(2, "3.txt", 3, 20, nil).
+					AddRow(3, "5.txt", 3, 20, &dstFolder.Name),
 			)
 
 		// 复制子文件
diff --git a/models/policy.go b/models/policy.go
index 4a827fb..a5f4826 100644
--- a/models/policy.go
+++ b/models/policy.go
@@ -179,27 +179,6 @@ func (policy *Policy) GenerateFileName(uid uint, origin string) string {
 	return fileRule
 }
 
-func (policy Policy) getOriginNameRule(origin string) string {
-	// 部分存储策略可以使用{origin}代表原始文件名
-	if origin == "" {
-		// 如果上游未传回原始文件名，则使用占位符，让云存储端替换
-		switch policy.Type {
-		case "qiniu":
-			// 七牛会将$(fname)自动替换为原始文件名
-			return "$(fname)"
-		case "local", "remote":
-			return origin
-		case "oss", "cos":
-			// OSS会将${filename}自动替换为原始文件名
-			return "${filename}"
-		case "upyun":
-			// Upyun会将{filename}{.suffix}自动替换为原始文件名
-			return "{filename}{.suffix}"
-		}
-	}
-	return origin
-}
-
 // IsDirectlyPreview 返回此策略下文件是否可以直接预览（不需要重定向）
 func (policy *Policy) IsDirectlyPreview() bool {
 	return policy.Type == "local"
diff --git a/models/policy_test.go b/models/policy_test.go
index 433d1ec..c888ada 100644
--- a/models/policy_test.go
+++ b/models/policy_test.go
@@ -104,7 +104,7 @@ func TestPolicy_GenerateFileName(t *testing.T) {
 		asserts.Equal("123.txt", testPolicy.GenerateFileName(1, "123.txt"))
 
 		testPolicy.Type = "oss"
-		asserts.Equal("${filename}", testPolicy.GenerateFileName(1, ""))
+		asserts.Equal("origin", testPolicy.GenerateFileName(1, "origin"))
 	}
 
 	// 重命名开启
@@ -145,19 +145,23 @@ func TestPolicy_GenerateFileName(t *testing.T) {
 
 		testPolicy.Type = "oss"
 		testPolicy.FileNameRule = "{uid}123{originname}"
-		asserts.Equal("1123${filename}", testPolicy.GenerateFileName(1, ""))
+		asserts.Equal("1123123321", testPolicy.GenerateFileName(1, "123321"))
 
 		testPolicy.Type = "upyun"
 		testPolicy.FileNameRule = "{uid}123{originname}"
-		asserts.Equal("1123{filename}{.suffix}", testPolicy.GenerateFileName(1, ""))
+		asserts.Equal("1123123321", testPolicy.GenerateFileName(1, "123321"))
 
 		testPolicy.Type = "qiniu"
 		testPolicy.FileNameRule = "{uid}123{originname}"
-		asserts.Equal("1123$(fname)", testPolicy.GenerateFileName(1, ""))
+		asserts.Equal("1123123321", testPolicy.GenerateFileName(1, "123321"))
 
 		testPolicy.Type = "local"
 		testPolicy.FileNameRule = "{uid}123{originname}"
 		asserts.Equal("1123", testPolicy.GenerateFileName(1, ""))
+
+		testPolicy.Type = "local"
+		testPolicy.FileNameRule = "{ext}123{uuid}"
+		asserts.Contains(testPolicy.GenerateFileName(1, "123.txt"), ".txt123")
 	}
 
 }
@@ -170,78 +174,6 @@ func TestPolicy_IsDirectlyPreview(t *testing.T) {
 	asserts.False(policy.IsDirectlyPreview())
 }
 
-func TestPolicy_GetUploadURL(t *testing.T) {
-	asserts := assert.New(t)
-
-	// 本地
-	{
-		cache.Set("setting_siteURL", "http://127.0.0.1", 0)
-		policy := Policy{Type: "local", Server: "http://127.0.0.1"}
-		asserts.Equal("/api/v3/file/upload", policy.GetUploadURL())
-	}
-
-	// 远程
-	{
-		policy := Policy{Type: "remote", Server: "http://127.0.0.1"}
-		asserts.Equal("http://127.0.0.1/api/v3/slave/upload", policy.GetUploadURL())
-	}
-
-	// OSS
-	{
-		policy := Policy{Type: "oss", BucketName: "base", Server: "127.0.0.1"}
-		asserts.Equal("https://base.127.0.0.1", policy.GetUploadURL())
-	}
-
-	// cos
-	{
-		policy := Policy{Type: "cos", BaseURL: "base", Server: "http://127.0.0.1"}
-		asserts.Equal("http://127.0.0.1", policy.GetUploadURL())
-	}
-
-	// upyun
-	{
-		policy := Policy{Type: "upyun", BucketName: "base", Server: "http://127.0.0.1"}
-		asserts.Equal("https://v0.api.upyun.com/base", policy.GetUploadURL())
-	}
-
-	// 未知
-	{
-		policy := Policy{Type: "unknown", Server: "http://127.0.0.1"}
-		asserts.Equal("http://127.0.0.1", policy.GetUploadURL())
-	}
-
-	// S3 未填写自动生成
-	{
-		policy := Policy{
-			Type:              "s3",
-			Server:            "",
-			BucketName:        "bucket",
-			OptionsSerialized: PolicyOption{Region: "us-east"},
-		}
-		asserts.Equal("https://bucket.s3.us-east.amazonaws.com/", policy.GetUploadURL())
-	}
-
-	// s3 自己指定
-	{
-		policy := Policy{
-			Type:              "s3",
-			Server:            "https://s3.us-east.amazonaws.com/",
-			BucketName:        "bucket",
-			OptionsSerialized: PolicyOption{Region: "us-east"},
-		}
-		asserts.Equal("https://s3.us-east.amazonaws.com/bucket", policy.GetUploadURL())
-	}
-
-}
-
-func TestPolicy_IsPathGenerateNeeded(t *testing.T) {
-	asserts := assert.New(t)
-	policy := Policy{Type: "qiniu"}
-	asserts.True(policy.IsPathGenerateNeeded())
-	policy.Type = "remote"
-	asserts.False(policy.IsPathGenerateNeeded())
-}
-
 func TestPolicy_ClearCache(t *testing.T) {
 	asserts := assert.New(t)
 	cache.Set("policy_202", 1, 0)
@@ -266,15 +198,18 @@ func TestPolicy_UpdateAccessKey(t *testing.T) {
 func TestPolicy_Props(t *testing.T) {
 	asserts := assert.New(t)
 	policy := Policy{Type: "onedrive"}
+	policy.OptionsSerialized.PlaceholderWithSize = true
 	asserts.False(policy.IsThumbGenerateNeeded())
-	asserts.True(policy.IsPathGenerateNeeded())
-	asserts.True(policy.IsTransitUpload(4))
+	asserts.False(policy.IsTransitUpload(4))
 	asserts.False(policy.IsTransitUpload(5 * 1024 * 1024))
 	asserts.True(policy.CanStructureBeListed())
+	asserts.True(policy.IsUploadPlaceholderWithSize())
 	policy.Type = "local"
 	asserts.True(policy.IsThumbGenerateNeeded())
-	asserts.True(policy.IsPathGenerateNeeded())
 	asserts.False(policy.CanStructureBeListed())
+	asserts.False(policy.IsUploadPlaceholderWithSize())
+	policy.Type = "remote"
+	asserts.True(policy.IsUploadPlaceholderWithSize())
 }
 
 func TestPolicy_IsThumbExist(t *testing.T) {
diff --git a/models/setting_test.go b/models/setting_test.go
index d9bf962..96fc5e0 100644
--- a/models/setting_test.go
+++ b/models/setting_test.go
@@ -59,6 +59,15 @@ func TestGetSettingByType(t *testing.T) {
 	asserts.Equal(map[string]string{}, settings)
 }
 
+func TestGetSettingByNameWithDefault(t *testing.T) {
+	a := assert.New(t)
+
+	rows := sqlmock.NewRows([]string{"name", "value", "type"})
+	mock.ExpectQuery("^SELECT \\* FROM `(.+)` WHERE `(.+)`\\.`deleted_at` IS NULL AND(.+)$").WillReturnRows(rows)
+	settings := GetSettingByNameWithDefault("123", "123321")
+	a.Equal("123321", settings)
+}
+
 func TestGetSettingByNames(t *testing.T) {
 	cache.Store = cache.NewMemoStore()
 	asserts := assert.New(t)
diff --git a/models/tag_test.go b/models/tag_test.go
index 6063234..be8d3fb 100644
--- a/models/tag_test.go
+++ b/models/tag_test.go
@@ -56,8 +56,8 @@ func TestGetTagsByUID(t *testing.T) {
 func TestGetTagsByID(t *testing.T) {
 	asserts := assert.New(t)
 	mock.ExpectQuery("SELECT(.+)").WillReturnRows(sqlmock.NewRows([]string{"name"}).AddRow("tag"))
-	res, err := GetTagsByUID(1)
+	res, err := GetTagsByID(1, 1)
 	asserts.NoError(mock.ExpectationsWereMet())
 	asserts.NoError(err)
-	asserts.EqualValues("tag", res[0].Name)
+	asserts.EqualValues("tag", res.Name)
 }