diff --git a/integrations/cloud_filter/tests/behavior/main.rs b/integrations/cloud_filter/tests/behavior/main.rs
index 0b2cd371731e..f4f31e9b2f05 100644
--- a/integrations/cloud_filter/tests/behavior/main.rs
+++ b/integrations/cloud_filter/tests/behavior/main.rs
@@ -43,6 +43,9 @@ const PROVIDER_NAME: &str = "ro-cloud_filter";
 const DISPLAY_NAME: &str = "Test Cloud Filter";
 const ROOT_PATH: &str = "C:\\sync_root";
 
+type CloudFilterConnection =
+    Connection<AsyncBridge<CloudFilter, impl Fn(Pin<Box<dyn Future<Output = ()>>>)>>;
+
 #[tokio::main]
 async fn main() -> ExitCode {
     let args = Arguments::from_args();
@@ -76,12 +79,7 @@ async fn main() -> ExitCode {
     conclusion.exit_code()
 }
 
-fn init(
-    op: Operator,
-) -> (
-    SyncRootId,
-    Connection<AsyncBridge<CloudFilter, impl Fn(Pin<Box<dyn Future<Output = ()>>>)>>,
-) {
+fn init(op: Operator) -> (SyncRootId, CloudFilterConnection) {
     let sync_root_id = SyncRootIdBuilder::new(PROVIDER_NAME)
         .user_security_id(SecurityId::current_user().unwrap())
         .build();
diff --git a/integrations/dav-server/src/fs.rs b/integrations/dav-server/src/fs.rs
index 80444d8c676f..449b562c1186 100644
--- a/integrations/dav-server/src/fs.rs
+++ b/integrations/dav-server/src/fs.rs
@@ -73,7 +73,7 @@ impl DavFileSystem for OpendalFs {
         &'a self,
         path: &'a DavPath,
         options: dav_server::fs::OpenOptions,
-    ) -> FsFuture<Box<dyn DavFile>> {
+    ) -> FsFuture<'a, Box<dyn DavFile>> {
         async move {
             let file = OpendalFile::open(self.op.clone(), path.clone(), options).await?;
             Ok(Box::new(file) as Box<dyn DavFile>)
@@ -85,7 +85,7 @@ impl DavFileSystem for OpendalFs {
         &'a self,
         path: &'a DavPath,
         _meta: ReadDirMeta,
-    ) -> FsFuture<FsStream<Box<dyn DavDirEntry>>> {
+    ) -> FsFuture<'a, FsStream<Box<dyn DavDirEntry>>> {
         async move {
             let path = path.as_url_string();
             self.op
@@ -97,7 +97,7 @@ impl DavFileSystem for OpendalFs {
         .boxed()
     }
 
-    fn metadata<'a>(&'a self, path: &'a DavPath) -> FsFuture<Box<dyn DavMetaData>> {
+    fn metadata<'a>(&'a self, path: &'a DavPath) -> FsFuture<'a, Box<dyn DavMetaData>> {
         async move {
             let opendal_metadata = self.op.stat(path.as_url_string().as_str()).await;
             match opendal_metadata {
@@ -111,7 +111,7 @@ impl DavFileSystem for OpendalFs {
         .boxed()
     }
 
-    fn create_dir<'a>(&'a self, path: &'a DavPath) -> FsFuture<()> {
+    fn create_dir<'a>(&'a self, path: &'a DavPath) -> FsFuture<'a, ()> {
         async move {
             let path = path.as_url_string();
 
@@ -150,11 +150,11 @@ impl DavFileSystem for OpendalFs {
         .boxed()
     }
 
-    fn remove_dir<'a>(&'a self, path: &'a DavPath) -> FsFuture<()> {
+    fn remove_dir<'a>(&'a self, path: &'a DavPath) -> FsFuture<'a, ()> {
         self.remove_file(path)
     }
 
-    fn remove_file<'a>(&'a self, path: &'a DavPath) -> FsFuture<()> {
+    fn remove_file<'a>(&'a self, path: &'a DavPath) -> FsFuture<'a, ()> {
         async move {
             self.op
                 .delete(path.as_url_string().as_str())
@@ -164,7 +164,7 @@ impl DavFileSystem for OpendalFs {
         .boxed()
     }
 
-    fn rename<'a>(&'a self, from: &'a DavPath, to: &'a DavPath) -> FsFuture<()> {
+    fn rename<'a>(&'a self, from: &'a DavPath, to: &'a DavPath) -> FsFuture<'a, ()> {
         async move {
             let from_path = from
                 .as_rel_ospath()
@@ -182,7 +182,7 @@ impl DavFileSystem for OpendalFs {
         .boxed()
     }
 
-    fn copy<'a>(&'a self, from: &'a DavPath, to: &'a DavPath) -> FsFuture<()> {
+    fn copy<'a>(&'a self, from: &'a DavPath, to: &'a DavPath) -> FsFuture<'a, ()> {
         async move {
             let from_path = from
                 .as_rel_ospath()
diff --git a/integrations/virtiofs/src/buffer.rs b/integrations/virtiofs/src/buffer.rs
index 0cd8d1bb0e65..09e42498dd5c 100644
--- a/integrations/virtiofs/src/buffer.rs
+++ b/integrations/virtiofs/src/buffer.rs
@@ -30,7 +30,7 @@ pub trait ReadWriteAtVolatile<B: BitmapSlice> {
     fn write_vectored_at_volatile(&self, bufs: &[&VolatileSlice<B>]) -> Result<usize>;
 }
 
-impl<'a, B: BitmapSlice, T: ReadWriteAtVolatile<B> + ?Sized> ReadWriteAtVolatile<B> for &'a T {
+impl<B: BitmapSlice, T: ReadWriteAtVolatile<B> + ?Sized> ReadWriteAtVolatile<B> for &T {
     fn read_vectored_at_volatile(&self, bufs: &[&VolatileSlice<B>]) -> Result<usize> {
         (**self).read_vectored_at_volatile(bufs)
     }
diff --git a/integrations/virtiofs/src/virtiofs_util.rs b/integrations/virtiofs/src/virtiofs_util.rs
index cf0ab041a5eb..9d390da97532 100644
--- a/integrations/virtiofs/src/virtiofs_util.rs
+++ b/integrations/virtiofs/src/virtiofs_util.rs
@@ -216,7 +216,7 @@ impl<'a, B: Bitmap + BitmapSlice + 'static> Reader<'a, B> {
     }
 }
 
-impl<'a, B: BitmapSlice> io::Read for Reader<'a, B> {
+impl<B: BitmapSlice> io::Read for Reader<'_, B> {
     fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
         self.buffer
             .consume(buf.len(), |bufs| {
@@ -308,7 +308,7 @@ impl<'a, B: Bitmap + BitmapSlice + 'static> Writer<'a, B> {
     }
 }
 
-impl<'a, B: BitmapSlice> Write for Writer<'a, B> {
+impl<B: BitmapSlice> Write for Writer<'_, B> {
     fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
         self.buffer
             .consume(buf.len(), |bufs| {