diff --git a/src/core/images.rs b/src/core/images.rs
index a06ab61..e0d78bf 100644
--- a/src/core/images.rs
+++ b/src/core/images.rs
@@ -159,21 +159,21 @@ impl Model<Image> {
     pub async fn append_image(
         &mut self,
         image: Image,
-        db: PoolConnection<Sqlite>,
+        db: &SqlitePool,
     ) -> Result<()> {
         todo!()
     }
 
     pub async fn new_image(
         &mut self,
-        db: PoolConnection<Sqlite>,
+        db: &SqlitePool,
     ) -> Result<Image> {
         todo!()
     }
     pub async fn update_image(
         &mut self,
         image: Image,
-        db: PoolConnection<Sqlite>,
+        db: &SqlitePool,
     ) -> Result<()> {
         let id = image.id;
         self.update_item(image.clone(), |current_image| {
@@ -184,7 +184,6 @@ impl Model<Image> {
             .to_str()
             .map(std::string::ToString::to_string)
             .unwrap_or_default();
-        let mut db = db.detach();
         debug!(?image, "should be been updated");
         let result = query!(
         r#"UPDATE images SET title = $2, file_path = $3 WHERE id = $1"#,
@@ -192,7 +191,7 @@ impl Model<Image> {
         image.title,
         path,
     )
-        .execute(&mut db)
+        .execute(db)
         .await.into_diagnostic();
 
         match result {
@@ -210,11 +209,11 @@ impl Model<Image> {
     pub async fn remove_image(
         &mut self,
         id: i32,
-        db: PoolConnection<Sqlite>,
+        db: &SqlitePool,
     ) -> Result<()> {
         self.remove_item(|image| image.id == id)?;
         query!("DELETE FROM images WHERE id = $1", id)
-            .execute(&mut db.detach())
+            .execute(db)
             .await
             .into_diagnostic()
             .map(|_| ())
diff --git a/src/core/presentations.rs b/src/core/presentations.rs
index ce4dcac..f02b53b 100644
--- a/src/core/presentations.rs
+++ b/src/core/presentations.rs
@@ -301,14 +301,14 @@ impl Model<Presentation> {
     pub async fn append_presentation(
         &mut self,
         presentation: Presentation,
-        db: PoolConnection<Sqlite>,
+        db: &SqlitePool,
     ) -> Result<()> {
         todo!()
     }
 
     pub async fn new_presentation(
         &mut self,
-        db: PoolConnection<Sqlite>,
+        db: &SqlitePool,
     ) -> Result<()> {
         todo!()
     }
@@ -316,14 +316,14 @@ impl Model<Presentation> {
     pub async fn update_presentation(
         &mut self,
         presentation: Presentation,
-        db: PoolConnection<Sqlite>,
+        db: &SqlitePool,
     ) -> Result<()> {
         todo!()
     }
     pub async fn remove_presentation(
         &mut self,
         id: i32,
-        db: PoolConnection<Sqlite>,
+        db: &SqlitePool,
     ) -> Result<()> {
         todo!()
     }
diff --git a/src/core/videos.rs b/src/core/videos.rs
index 05bfaa1..e91b93b 100644
--- a/src/core/videos.rs
+++ b/src/core/videos.rs
@@ -201,22 +201,19 @@ impl Model<Video> {
     pub async fn append_video(
         &mut self,
         video: Video,
-        db: PoolConnection<Sqlite>,
+        db: &SqlitePool,
     ) -> Result<()> {
         todo!()
     }
 
-    pub async fn new_video(
-        &mut self,
-        db: PoolConnection<Sqlite>,
-    ) -> Result<()> {
+    pub async fn new_video(&mut self, db: &SqlitePool) -> Result<()> {
         todo!()
     }
 
     pub async fn update_video(
         &mut self,
         video: Video,
-        db: PoolConnection<Sqlite>,
+        db: &SqlitePool,
     ) -> Result<()> {
         todo!()
     }
@@ -224,7 +221,7 @@ impl Model<Video> {
     pub async fn remove_video(
         &mut self,
         id: i32,
-        db: PoolConnection<Sqlite>,
+        db: &SqlitePool,
     ) -> Result<()> {
         todo!()
     }