diff --git a/models/download_test.go b/models/download_test.go
index d24531b..7be81d0 100644
--- a/models/download_test.go
+++ b/models/download_test.go
@@ -63,14 +63,6 @@ func TestDownload_AfterFind(t *testing.T) {
 		asserts.Equal("", download.StatusInfo.Gid)
 	}
 
-	// 关联任务
-	{
-		mock.ExpectQuery("SELECT(.+)").WillReturnRows(sqlmock.NewRows([]string{"id", "error"}).AddRow(1, "error"))
-		download := Download{TaskID: 1}
-		download.BeforeSave()
-		asserts.NoError(mock.ExpectationsWereMet())
-		asserts.Equal("error", download.Task.Error)
-	}
 }
 
 func TestDownload_Save(t *testing.T) {
diff --git a/pkg/filesystem/driver/local/handller_test.go b/pkg/filesystem/driver/local/handller_test.go
index 4033f31..8924b5c 100644
--- a/pkg/filesystem/driver/local/handller_test.go
+++ b/pkg/filesystem/driver/local/handller_test.go
@@ -120,7 +120,9 @@ func TestHandler_Thumb(t *testing.T) {
 
 func TestHandler_Source(t *testing.T) {
 	asserts := assert.New(t)
-	handler := Driver{}
+	handler := Driver{
+		Policy: &model.Policy{},
+	}
 	ctx := context.Background()
 	auth.General = auth.HMACAuth{SecretKey: []byte("test")}
 
@@ -150,6 +152,42 @@ func TestHandler_Source(t *testing.T) {
 		asserts.Error(err)
 		asserts.Empty(sourceURL)
 	}
+
+	// 设定了CDN
+	{
+		handler.Policy.BaseURL = "https://cqu.edu.cn"
+		file := model.File{
+			Model: gorm.Model{
+				ID: 1,
+			},
+			Name: "test.jpg",
+		}
+		ctx := context.WithValue(ctx, fsctx.FileModelCtx, file)
+		baseURL, err := url.Parse("https://cloudreve.org")
+		asserts.NoError(err)
+		sourceURL, err := handler.Source(ctx, "", *baseURL, 0, false, 0)
+		asserts.NoError(err)
+		asserts.NotEmpty(sourceURL)
+		asserts.Contains(sourceURL, "sign=")
+		asserts.Contains(sourceURL, "https://cqu.edu.cn")
+	}
+
+	// 设定了CDN，解析失败
+	{
+		handler.Policy.BaseURL = string(0x7f)
+		file := model.File{
+			Model: gorm.Model{
+				ID: 1,
+			},
+			Name: "test.jpg",
+		}
+		ctx := context.WithValue(ctx, fsctx.FileModelCtx, file)
+		baseURL, err := url.Parse("https://cloudreve.org")
+		asserts.NoError(err)
+		sourceURL, err := handler.Source(ctx, "", *baseURL, 0, false, 0)
+		asserts.Error(err)
+		asserts.Empty(sourceURL)
+	}
 }
 
 func TestHandler_GetDownloadURL(t *testing.T) {
diff --git a/pkg/filesystem/driver/oss/handler_test.go b/pkg/filesystem/driver/oss/handler_test.go
index f379e28..3a4b931 100644
--- a/pkg/filesystem/driver/oss/handler_test.go
+++ b/pkg/filesystem/driver/oss/handler_test.go
@@ -39,6 +39,23 @@ func TestDriver_InitOSSClient(t *testing.T) {
 	}
 }
 
+func TestDriver_CORS(t *testing.T) {
+	asserts := assert.New(t)
+	handler := Driver{
+		Policy: &model.Policy{
+			AccessKey:  "ak",
+			SecretKey:  "sk",
+			BucketName: "test",
+			Server:     "test.com",
+		},
+	}
+
+	// 失败
+	{
+		asserts.Error(handler.CORS())
+	}
+}
+
 func TestDriver_Token(t *testing.T) {
 	asserts := assert.New(t)
 	handler := Driver{
@@ -149,7 +166,18 @@ func TestDriver_Source(t *testing.T) {
 		asserts.NoError(err)
 		query := resURL.Query()
 		asserts.Empty(query.Get("Signature"))
-		asserts.Empty(query.Get("Expires"))
+	}
+
+	// 正常 指定了CDN域名
+	{
+		handler.Policy.BaseURL = "https://cqu.edu.cn"
+		res, err := handler.Source(context.Background(), "/123", url.URL{}, 10, false, 0)
+		asserts.NoError(err)
+		resURL, err := url.Parse(res)
+		asserts.NoError(err)
+		query := resURL.Query()
+		asserts.Empty(query.Get("Signature"))
+		asserts.Contains(resURL.String(), handler.Policy.BaseURL)
 	}
 }
 
diff --git a/pkg/filesystem/driver/remote/handler_test.go b/pkg/filesystem/driver/remote/handler_test.go
index 70b7a32..6315674 100644
--- a/pkg/filesystem/driver/remote/handler_test.go
+++ b/pkg/filesystem/driver/remote/handler_test.go
@@ -84,6 +84,37 @@ func TestHandler_Source(t *testing.T) {
 		asserts.Contains(res, "api/v3/slave/download/0")
 	}
 
+	// 成功 自定义CDN
+	{
+		handler := Driver{
+			Policy:       &model.Policy{Server: "/", BaseURL: "https://cqu.edu.cn"},
+			AuthInstance: auth.HMACAuth{},
+		}
+		file := model.File{
+			SourceName: "1.txt",
+		}
+		ctx := context.WithValue(context.Background(), fsctx.FileModelCtx, file)
+		res, err := handler.Source(ctx, "", url.URL{}, 10, true, 0)
+		asserts.NoError(err)
+		asserts.Contains(res, "api/v3/slave/download/0")
+		asserts.Contains(res, "https://cqu.edu.cn")
+	}
+
+	// 解析失败 自定义CDN
+	{
+		handler := Driver{
+			Policy:       &model.Policy{Server: "/", BaseURL: string(0x7f)},
+			AuthInstance: auth.HMACAuth{},
+		}
+		file := model.File{
+			SourceName: "1.txt",
+		}
+		ctx := context.WithValue(context.Background(), fsctx.FileModelCtx, file)
+		res, err := handler.Source(ctx, "", url.URL{}, 10, true, 0)
+		asserts.Error(err)
+		asserts.Empty(res)
+	}
+
 	// 成功 预览
 	{
 		handler := Driver{
diff --git a/pkg/hashid/hash_test.go b/pkg/hashid/hash_test.go
index 5471d9e..2f7472d 100644
--- a/pkg/hashid/hash_test.go
+++ b/pkg/hashid/hash_test.go
@@ -1,6 +1,7 @@
 package hashid
 
 import (
+	"github.com/HFO4/cloudreve/bootstrap/constant"
 	"github.com/stretchr/testify/assert"
 	"testing"
 )
@@ -52,6 +53,7 @@ func TestHashDecode(t *testing.T) {
 
 func TestDecodeHashID(t *testing.T) {
 	asserts := assert.New(t)
+	constant.HashIDTable = []int{0, 1, 2, 3, 4, 5}
 
 	// 成功
 	{