diff --git a/backend/database/.transform.yaml b/backend/database/.transform.yaml
index a7e5ef8..5c40142 100755
--- a/backend/database/.transform.yaml
+++ b/backend/database/.transform.yaml
@@ -5,4 +5,3 @@ types:
 
   media_resources: # table name
     type: backend/pkg/pg.MediaType
-    source: backend/pkg/pg.MediaSource
diff --git a/backend/database/migrations/20241128075611_init.sql b/backend/database/migrations/20241128075611_init.sql
index 0838966..3f8dc87 100644
--- a/backend/database/migrations/20241128075611_init.sql
+++ b/backend/database/migrations/20241128075611_init.sql
@@ -87,7 +87,7 @@ CREATE TABLE
         id SERIAL8 PRIMARY KEY,
         media_id INT8 NOT NULL,
         type VARCHAR(128) NOT NULL,
-        source jsonb  default '{}'::jsonb,
+        source text NOT NULL default '',
         size INT8 NOT NULL,
         publish BOOL NOT NULL,
         created_at timestamp NOT NULL default now(),
diff --git a/backend/database/models/qvyun/public/model/media_resources.go b/backend/database/models/qvyun/public/model/media_resources.go
index 39360a3..e7ffa76 100644
--- a/backend/database/models/qvyun/public/model/media_resources.go
+++ b/backend/database/models/qvyun/public/model/media_resources.go
@@ -16,7 +16,7 @@ type MediaResources struct {
 	ID        int64        `sql:"primary_key" json:"id"`
 	MediaID   int64        `json:"media_id"`
 	Type      pg.MediaType `json:"type"`
-	Source    *string      `json:"source"`
+	Source    string       `json:"source"`
 	Size      int64        `json:"size"`
 	Publish   bool         `json:"publish"`
 	CreatedAt time.Time    `json:"created_at"`
diff --git a/backend/modules/medias/service_test.go b/backend/modules/medias/service_test.go
index 846da15..7ecea43 100644
--- a/backend/modules/medias/service_test.go
+++ b/backend/modules/medias/service_test.go
@@ -118,42 +118,36 @@ func TestService_List(t *testing.T) {
 				{
 					MediaID: 1,
 					Type:    pg.MediaTypeVideo,
-					Source:  lo.ToPtr("http://www.baidu.com"),
 					Size:    100,
 					Publish: true,
 				},
 				{
 					MediaID: 1,
 					Type:    pg.MediaTypeAudio,
-					Source:  lo.ToPtr("http://www.baidu.com"),
 					Size:    100,
 					Publish: true,
 				},
 				{
 					MediaID: 2,
 					Type:    pg.MediaTypeVideo,
-					Source:  lo.ToPtr("http://www.baidu.com"),
 					Size:    100,
 					Publish: true,
 				},
 				{
 					MediaID: 2,
 					Type:    pg.MediaTypeAudio,
-					Source:  lo.ToPtr("http://www.baidu.com"),
 					Size:    100,
 					Publish: true,
 				},
 				{
 					MediaID: 3,
 					Type:    pg.MediaTypeVideo,
-					Source:  lo.ToPtr("http://www.baidu.com"),
 					Size:    100,
 					Publish: true,
 				},
 				{
 					MediaID: 3,
 					Type:    pg.MediaTypeAudio,
-					Source:  lo.ToPtr("http://www.baidu.com"),
 					Size:    100,
 					Publish: true,
 				},
@@ -206,10 +200,6 @@ func TestService_List1(t *testing.T) {
 
 		t.Log(stmt.DebugSql())
 
-		type list struct {
-			Media model.Medias `alias:"ListItem.*"`
-		}
-
 		var dest []ListItem
 		err = stmt.QueryContext(context.TODO(), db, &dest)
 		So(err, ShouldBeNil)
@@ -234,14 +224,12 @@ func TestService_DecorateListResources(t *testing.T) {
 				{
 					MediaID: 1,
 					Type:    pg.MediaTypeVideo,
-					Source:  lo.ToPtr("http://www.baidu.com"),
 					Size:    100,
 					Publish: true,
 				},
 				{
 					MediaID: 2,
 					Type:    pg.MediaTypeAudio,
-					Source:  lo.ToPtr("http://www.baidu.com"),
 					Size:    100,
 					Publish: true,
 				},
diff --git a/backend/modules/tasks/discover_medias_test.go b/backend/modules/tasks/discover_medias_test.go
index 166f050..eee982c 100644
--- a/backend/modules/tasks/discover_medias_test.go
+++ b/backend/modules/tasks/discover_medias_test.go
@@ -79,6 +79,8 @@ func (t *DiscoverMediasTestSuite) Test_parseM3u8File() {
 		playlist, err := t.Svc.parseM3u8File(file)
 		So(err, ShouldBeNil)
 
-		t.T().Logf("ListType: %+v", playlist)
+		t.T().Logf("Live: %+v", playlist.IsLive())
+		t.T().Logf("IsMaster: %+v", playlist.IsMaster())
+		t.T().Logf("Size: %+v", playlist.Segments())
 	})
 }