diff --git a/frontend/rust-lib/flowy-document/src/core/mod.rs b/frontend/rust-lib/flowy-document/src/core/mod.rs
deleted file mode 100644
index a4e948558a..0000000000
--- a/frontend/rust-lib/flowy-document/src/core/mod.rs
+++ /dev/null
@@ -1,9 +0,0 @@
-mod editor;
-mod queue;
-mod web_socket;
-
-pub use editor::*;
-pub(crate) use queue::*;
-pub(crate) use web_socket::*;
-
-pub const DOCUMENT_SYNC_INTERVAL_IN_MILLIS: u64 = 1000;
diff --git a/frontend/rust-lib/flowy-document/src/core/editor.rs b/frontend/rust-lib/flowy-document/src/editor.rs
similarity index 96%
rename from frontend/rust-lib/flowy-document/src/core/editor.rs
rename to frontend/rust-lib/flowy-document/src/editor.rs
index f1c92cc7c7..af40864e0a 100644
--- a/frontend/rust-lib/flowy-document/src/core/editor.rs
+++ b/frontend/rust-lib/flowy-document/src/editor.rs
@@ -1,7 +1,8 @@
-use crate::core::DocumentRevisionCompact;
+use crate::queue::DocumentRevisionCompact;
+use crate::web_socket::{make_document_ws_manager, EditorCommandSender};
 use crate::{
-    core::{make_document_ws_manager, EditorCommand, EditorCommandQueue, EditorCommandSender},
     errors::FlowyError,
+    queue::{EditorCommand, EditorCommandQueue},
     DocumentUser, DocumentWSReceiver,
 };
 use bytes::Bytes;
@@ -34,11 +35,11 @@ impl ClientDocumentEditor {
         doc_id: &str,
         user: Arc<dyn DocumentUser>,
         mut rev_manager: RevisionManager,
-        web_socket: Arc<dyn RevisionWebSocket>,
-        server: Arc<dyn RevisionCloudService>,
+        rev_web_socket: Arc<dyn RevisionWebSocket>,
+        cloud_service: Arc<dyn RevisionCloudService>,
     ) -> FlowyResult<Arc<Self>> {
         let document_info = rev_manager
-            .load::<DocumentInfoBuilder, DocumentRevisionCompact>(server)
+            .load::<DocumentInfoBuilder, DocumentRevisionCompact>(cloud_service)
             .await?;
         let delta = document_info.delta()?;
         let rev_manager = Arc::new(rev_manager);
@@ -51,7 +52,7 @@ impl ClientDocumentEditor {
             user_id.clone(),
             edit_cmd_tx.clone(),
             rev_manager.clone(),
-            web_socket,
+            rev_web_socket,
         )
         .await;
         let editor = Arc::new(Self {
diff --git a/frontend/rust-lib/flowy-document/src/lib.rs b/frontend/rust-lib/flowy-document/src/lib.rs
index 0b9f78672d..7697de9b5c 100644
--- a/frontend/rust-lib/flowy-document/src/lib.rs
+++ b/frontend/rust-lib/flowy-document/src/lib.rs
@@ -1,10 +1,15 @@
-pub mod controller;
-pub mod core;
-pub use controller::*;
+pub mod editor;
+pub mod manager;
+mod queue;
+mod web_socket;
+
+pub use manager::*;
 pub mod errors {
     pub use flowy_error::{internal_error, ErrorCode, FlowyError};
 }
 
+pub const DOCUMENT_SYNC_INTERVAL_IN_MILLIS: u64 = 1000;
+
 use crate::errors::FlowyError;
 use flowy_collaboration::entities::document_info::{CreateDocParams, DocumentId, DocumentInfo, ResetDocumentParams};
 use lib_infra::future::FutureResult;
diff --git a/frontend/rust-lib/flowy-document/src/controller.rs b/frontend/rust-lib/flowy-document/src/manager.rs
similarity index 75%
rename from frontend/rust-lib/flowy-document/src/controller.rs
rename to frontend/rust-lib/flowy-document/src/manager.rs
index 8db6b4e677..f7cb31129e 100644
--- a/frontend/rust-lib/flowy-document/src/controller.rs
+++ b/frontend/rust-lib/flowy-document/src/manager.rs
@@ -1,4 +1,4 @@
-use crate::{core::ClientDocumentEditor, errors::FlowyError, DocumentCloudService};
+use crate::{editor::ClientDocumentEditor, errors::FlowyError, DocumentCloudService};
 use async_trait::async_trait;
 use bytes::Bytes;
 use dashmap::DashMap;
@@ -29,31 +29,31 @@ pub(crate) trait DocumentWSReceiver: Send + Sync {
 type WebSocketDataReceivers = Arc<DashMap<String, Arc<dyn DocumentWSReceiver>>>;
 pub struct FlowyDocumentManager {
     cloud_service: Arc<dyn DocumentCloudService>,
-    ws_receivers: WebSocketDataReceivers,
-    web_socket: Arc<dyn RevisionWebSocket>,
-    open_cache: Arc<OpenDocCache>,
-    user: Arc<dyn DocumentUser>,
+    ws_data_receivers: WebSocketDataReceivers,
+    rev_web_socket: Arc<dyn RevisionWebSocket>,
+    document_handlers: Arc<DocumentEditorHandlers>,
+    document_user: Arc<dyn DocumentUser>,
 }
 
 impl FlowyDocumentManager {
     pub fn new(
         cloud_service: Arc<dyn DocumentCloudService>,
-        user: Arc<dyn DocumentUser>,
-        web_socket: Arc<dyn RevisionWebSocket>,
+        document_user: Arc<dyn DocumentUser>,
+        rev_web_socket: Arc<dyn RevisionWebSocket>,
     ) -> Self {
-        let ws_receivers = Arc::new(DashMap::new());
-        let open_cache = Arc::new(OpenDocCache::new());
+        let ws_data_receivers = Arc::new(DashMap::new());
+        let document_handlers = Arc::new(DocumentEditorHandlers::new());
         Self {
             cloud_service,
-            ws_receivers,
-            web_socket,
-            open_cache,
-            user,
+            ws_data_receivers,
+            rev_web_socket,
+            document_handlers,
+            document_user,
         }
     }
 
     pub fn init(&self) -> FlowyResult<()> {
-        listen_ws_state_changed(self.web_socket.clone(), self.ws_receivers.clone());
+        listen_ws_state_changed(self.rev_web_socket.clone(), self.ws_data_receivers.clone());
 
         Ok(())
     }
@@ -69,8 +69,8 @@ impl FlowyDocumentManager {
     pub fn close_document<T: AsRef<str>>(&self, doc_id: T) -> Result<(), FlowyError> {
         let doc_id = doc_id.as_ref();
         tracing::Span::current().record("doc_id", &doc_id);
-        self.open_cache.remove(doc_id);
-        self.remove_ws_receiver(doc_id);
+        self.document_handlers.remove(doc_id);
+        self.ws_data_receivers.remove(doc_id);
         Ok(())
     }
 
@@ -78,8 +78,8 @@ impl FlowyDocumentManager {
     pub fn delete<T: AsRef<str>>(&self, doc_id: T) -> Result<(), FlowyError> {
         let doc_id = doc_id.as_ref();
         tracing::Span::current().record("doc_id", &doc_id);
-        self.open_cache.remove(doc_id);
-        self.remove_ws_receiver(doc_id);
+        self.document_handlers.remove(doc_id);
+        self.ws_data_receivers.remove(doc_id);
         Ok(())
     }
 
@@ -94,18 +94,18 @@ impl FlowyDocumentManager {
         })
     }
 
-    pub async fn save_document<T: AsRef<str>>(&self, doc_id: T, revisions: RepeatedRevision) -> FlowyResult<()> {
+    pub async fn receive_revisions<T: AsRef<str>>(&self, doc_id: T, revisions: RepeatedRevision) -> FlowyResult<()> {
         let doc_id = doc_id.as_ref().to_owned();
-        let db_pool = self.user.db_pool()?;
+        let db_pool = self.document_user.db_pool()?;
         let rev_manager = self.make_rev_manager(&doc_id, db_pool)?;
         let _ = rev_manager.reset_object(revisions).await?;
         Ok(())
     }
 
-    pub async fn did_receive_ws_data(&self, data: Bytes) {
+    pub async fn receive_ws_data(&self, data: Bytes) {
         let result: Result<ServerRevisionWSData, protobuf::ProtobufError> = data.try_into();
         match result {
-            Ok(data) => match self.ws_receivers.get(&data.object_id) {
+            Ok(data) => match self.ws_data_receivers.get(&data.object_id) {
                 None => tracing::error!("Can't find any source handler for {:?}-{:?}", data.object_id, data.ty),
                 Some(handler) => match handler.receive_ws_data(data).await {
                     Ok(_) => {}
@@ -117,19 +117,13 @@ impl FlowyDocumentManager {
             }
         }
     }
-
-    pub async fn ws_connect_state_changed(&self, state: &WSConnectState) {
-        for receiver in self.ws_receivers.iter() {
-            receiver.value().connect_state_changed(state.clone());
-        }
-    }
 }
 
 impl FlowyDocumentManager {
     async fn get_editor(&self, doc_id: &str) -> FlowyResult<Arc<ClientDocumentEditor>> {
-        match self.open_cache.get(doc_id) {
+        match self.document_handlers.get(doc_id) {
             None => {
-                let db_pool = self.user.db_pool()?;
+                let db_pool = self.document_user.db_pool()?;
                 self.make_editor(doc_id, db_pool).await
             }
             Some(editor) => Ok(editor),
@@ -141,35 +135,26 @@ impl FlowyDocumentManager {
         doc_id: &str,
         pool: Arc<ConnectionPool>,
     ) -> Result<Arc<ClientDocumentEditor>, FlowyError> {
-        let user = self.user.clone();
-        let token = self.user.token()?;
+        let user = self.document_user.clone();
+        let token = self.document_user.token()?;
         let rev_manager = self.make_rev_manager(doc_id, pool.clone())?;
-        let server = Arc::new(DocumentRevisionCloudServiceImpl {
+        let cloud_service = Arc::new(DocumentRevisionCloudServiceImpl {
             token,
             server: self.cloud_service.clone(),
         });
-        let doc_editor = ClientDocumentEditor::new(doc_id, user, rev_manager, self.web_socket.clone(), server).await?;
-        self.add_ws_receiver(doc_id, doc_editor.ws_handler());
-        self.open_cache.insert(doc_id, &doc_editor);
+        let doc_editor =
+            ClientDocumentEditor::new(doc_id, user, rev_manager, self.rev_web_socket.clone(), cloud_service).await?;
+        self.ws_data_receivers
+            .insert(doc_id.to_string(), doc_editor.ws_handler());
+        self.document_handlers.insert(doc_id, &doc_editor);
         Ok(doc_editor)
     }
 
     fn make_rev_manager(&self, doc_id: &str, pool: Arc<ConnectionPool>) -> Result<RevisionManager, FlowyError> {
-        let user_id = self.user.user_id()?;
+        let user_id = self.document_user.user_id()?;
         let cache = Arc::new(RevisionCache::new(&user_id, doc_id, pool));
         Ok(RevisionManager::new(&user_id, doc_id, cache))
     }
-
-    fn add_ws_receiver(&self, object_id: &str, receiver: Arc<dyn DocumentWSReceiver>) {
-        if self.ws_receivers.contains_key(object_id) {
-            log::error!("Duplicate handler registered for {:?}", object_id);
-        }
-        self.ws_receivers.insert(object_id.to_string(), receiver);
-    }
-
-    fn remove_ws_receiver(&self, id: &str) {
-        self.ws_receivers.remove(id);
-    }
 }
 
 struct DocumentRevisionCloudServiceImpl {
@@ -202,11 +187,11 @@ impl RevisionCloudService for DocumentRevisionCloudServiceImpl {
     }
 }
 
-pub struct OpenDocCache {
+pub struct DocumentEditorHandlers {
     inner: DashMap<String, Arc<ClientDocumentEditor>>,
 }
 
-impl OpenDocCache {
+impl DocumentEditorHandlers {
     fn new() -> Self {
         Self { inner: DashMap::new() }
     }
diff --git a/frontend/rust-lib/flowy-document/src/core/queue.rs b/frontend/rust-lib/flowy-document/src/queue.rs
similarity index 99%
rename from frontend/rust-lib/flowy-document/src/core/queue.rs
rename to frontend/rust-lib/flowy-document/src/queue.rs
index 2550aeab64..5d97a6135d 100644
--- a/frontend/rust-lib/flowy-document/src/core/queue.rs
+++ b/frontend/rust-lib/flowy-document/src/queue.rs
@@ -1,4 +1,5 @@
-use crate::{core::web_socket::EditorCommandReceiver, DocumentUser};
+use crate::web_socket::EditorCommandReceiver;
+use crate::DocumentUser;
 use async_stream::stream;
 use flowy_collaboration::util::make_delta_from_revisions;
 use flowy_collaboration::{
diff --git a/frontend/rust-lib/flowy-document/src/core/web_socket.rs b/frontend/rust-lib/flowy-document/src/web_socket.rs
similarity index 97%
rename from frontend/rust-lib/flowy-document/src/core/web_socket.rs
rename to frontend/rust-lib/flowy-document/src/web_socket.rs
index cfbb057489..b9b454d2a1 100644
--- a/frontend/rust-lib/flowy-document/src/core/web_socket.rs
+++ b/frontend/rust-lib/flowy-document/src/web_socket.rs
@@ -1,7 +1,4 @@
-use crate::{
-    core::{EditorCommand, DOCUMENT_SYNC_INTERVAL_IN_MILLIS},
-    DocumentWSReceiver,
-};
+use crate::{queue::EditorCommand, DocumentWSReceiver, DOCUMENT_SYNC_INTERVAL_IN_MILLIS};
 use async_trait::async_trait;
 use bytes::Bytes;
 use flowy_collaboration::{
@@ -31,7 +28,7 @@ pub(crate) async fn make_document_ws_manager(
     user_id: String,
     edit_cmd_tx: EditorCommandSender,
     rev_manager: Arc<RevisionManager>,
-    web_socket: Arc<dyn RevisionWebSocket>,
+    rev_web_socket: Arc<dyn RevisionWebSocket>,
 ) -> Arc<RevisionWebSocketManager> {
     let composite_sink_provider = Arc::new(CompositeWSSinkDataProvider::new(&doc_id, rev_manager.clone()));
     let resolve_target = Arc::new(DocumentRevisionResolveTarget { edit_cmd_tx });
@@ -50,7 +47,7 @@ pub(crate) async fn make_document_ws_manager(
     let ws_manager = Arc::new(RevisionWebSocketManager::new(
         "Document",
         &doc_id,
-        web_socket,
+        rev_web_socket,
         sink_provider,
         ws_stream_consumer,
         ping_duration,
diff --git a/frontend/rust-lib/flowy-document/tests/document/edit_script.rs b/frontend/rust-lib/flowy-document/tests/document/edit_script.rs
index 23abfc1da8..a7c35aad17 100644
--- a/frontend/rust-lib/flowy-document/tests/document/edit_script.rs
+++ b/frontend/rust-lib/flowy-document/tests/document/edit_script.rs
@@ -1,5 +1,6 @@
 use flowy_collaboration::entities::revision::RevisionState;
-use flowy_document::core::{ClientDocumentEditor, DOCUMENT_SYNC_INTERVAL_IN_MILLIS};
+use flowy_document::editor::ClientDocumentEditor;
+use flowy_document::DOCUMENT_SYNC_INTERVAL_IN_MILLIS;
 use flowy_test::{helper::ViewTest, FlowySDKTest};
 use lib_ot::{core::Interval, rich_text::RichTextDelta};
 use std::sync::Arc;
@@ -67,8 +68,8 @@ impl EditorTest {
                     return;
                 }
                 let next_revision = next_revision.unwrap();
-                let mut receiver = rev_manager.revision_ack_receiver();
-                let _ = receiver.recv().await;
+                let mut notify = rev_manager.ack_notify();
+                let _ = notify.recv().await;
                 assert_eq!(next_revision.rev_id, rev_id.unwrap());
             }
             EditorScript::AssertJson(expected) => {
diff --git a/frontend/rust-lib/flowy-folder/src/services/view/controller.rs b/frontend/rust-lib/flowy-folder/src/services/view/controller.rs
index cb23286493..74f2c2dc79 100644
--- a/frontend/rust-lib/flowy-folder/src/services/view/controller.rs
+++ b/frontend/rust-lib/flowy-folder/src/services/view/controller.rs
@@ -73,7 +73,7 @@ impl ViewController {
             Revision::initial_revision(&user_id, &params.view_id, delta_data).into();
         let _ = self
             .document_manager
-            .save_document(&params.view_id, repeated_revision)
+            .receive_revisions(&params.view_id, repeated_revision)
             .await?;
         let view = self.create_view_on_server(params).await?;
         let _ = self.create_view_on_local(view.clone()).await?;
@@ -94,7 +94,10 @@ impl ViewController {
         let delta_data = Bytes::from(view_data);
         let user_id = self.user.user_id()?;
         let repeated_revision: RepeatedRevision = Revision::initial_revision(&user_id, view_id, delta_data).into();
-        let _ = self.document_manager.save_document(view_id, repeated_revision).await?;
+        let _ = self
+            .document_manager
+            .receive_revisions(view_id, repeated_revision)
+            .await?;
         Ok(())
     }
 
diff --git a/frontend/rust-lib/flowy-folder/tests/workspace/script.rs b/frontend/rust-lib/flowy-folder/tests/workspace/script.rs
index 8e84d8883a..d9a0addd13 100644
--- a/frontend/rust-lib/flowy-folder/tests/workspace/script.rs
+++ b/frontend/rust-lib/flowy-folder/tests/workspace/script.rs
@@ -203,8 +203,8 @@ impl FolderTest {
                 }
                 let next_revision = next_revision
                     .unwrap_or_else(|| panic!("Expected Next revision is {}, but receive None", rev_id.unwrap()));
-                let mut receiver = rev_manager.revision_ack_receiver();
-                let _ = receiver.recv().await;
+                let mut notify = rev_manager.ack_notify();
+                let _ = notify.recv().await;
                 assert_eq!(next_revision.rev_id, rev_id.unwrap());
             }
         }
diff --git a/frontend/rust-lib/flowy-sdk/src/deps_resolve/document_deps.rs b/frontend/rust-lib/flowy-sdk/src/deps_resolve/document_deps.rs
index 453bc50435..641e6631dc 100644
--- a/frontend/rust-lib/flowy-sdk/src/deps_resolve/document_deps.rs
+++ b/frontend/rust-lib/flowy-sdk/src/deps_resolve/document_deps.rs
@@ -98,7 +98,7 @@ impl WSMessageReceiver for DocumentWSMessageReceiverImpl {
     fn receive_message(&self, msg: WebSocketRawMessage) {
         let handler = self.0.clone();
         tokio::spawn(async move {
-            handler.did_receive_ws_data(Bytes::from(msg.data)).await;
+            handler.receive_ws_data(Bytes::from(msg.data)).await;
         });
     }
 }
diff --git a/frontend/rust-lib/flowy-sync/src/rev_manager.rs b/frontend/rust-lib/flowy-sync/src/rev_manager.rs
index e2f63f0f59..d43721304c 100644
--- a/frontend/rust-lib/flowy-sync/src/rev_manager.rs
+++ b/frontend/rust-lib/flowy-sync/src/rev_manager.rs
@@ -26,20 +26,16 @@ pub struct RevisionManager {
     pub object_id: String,
     user_id: String,
     rev_id_counter: RevIdCounter,
-    cache: Arc<RwLock<RevisionCacheCompact>>,
+    rev_compressor: Arc<RwLock<RevisionCompressor>>,
 
     #[cfg(feature = "flowy_unit_test")]
-    revision_ack_notifier: tokio::sync::broadcast::Sender<i64>,
+    rev_ack_notifier: tokio::sync::broadcast::Sender<i64>,
 }
 
 impl RevisionManager {
     pub fn new(user_id: &str, object_id: &str, revision_cache: Arc<RevisionCache>) -> Self {
         let rev_id_counter = RevIdCounter::new(0);
-        let cache = Arc::new(RwLock::new(RevisionCacheCompact::new(
-            object_id,
-            user_id,
-            revision_cache,
-        )));
+        let rev_compressor = Arc::new(RwLock::new(RevisionCompressor::new(object_id, user_id, revision_cache)));
         #[cfg(feature = "flowy_unit_test")]
         let (revision_ack_notifier, _) = tokio::sync::broadcast::channel(1);
 
@@ -47,10 +43,10 @@ impl RevisionManager {
             object_id: object_id.to_string(),
             user_id: user_id.to_owned(),
             rev_id_counter,
-            cache,
+            rev_compressor,
 
             #[cfg(feature = "flowy_unit_test")]
-            revision_ack_notifier,
+            rev_ack_notifier: revision_ack_notifier,
         }
     }
 
@@ -63,7 +59,7 @@ impl RevisionManager {
             object_id: self.object_id.clone(),
             user_id: self.user_id.clone(),
             cloud,
-            cache: self.cache.clone(),
+            rev_compressor: self.rev_compressor.clone(),
         }
         .load::<C>()
         .await?;
@@ -75,7 +71,7 @@ impl RevisionManager {
     pub async fn reset_object(&self, revisions: RepeatedRevision) -> FlowyResult<()> {
         let rev_id = pair_rev_id_from_revisions(&revisions).1;
 
-        let write_guard = self.cache.write().await;
+        let write_guard = self.rev_compressor.write().await;
         let _ = write_guard.reset(revisions.into_inner()).await?;
         self.rev_id_counter.set(rev_id);
         Ok(())
@@ -87,7 +83,7 @@ impl RevisionManager {
             return Err(FlowyError::internal().context("Delta data should be empty"));
         }
 
-        let write_guard = self.cache.write().await;
+        let write_guard = self.rev_compressor.write().await;
         let _ = write_guard.add_ack_revision(revision).await?;
         self.rev_id_counter.set(revision.rev_id);
         Ok(())
@@ -101,7 +97,7 @@ impl RevisionManager {
         if revision.delta_data.is_empty() {
             return Err(FlowyError::internal().context("Delta data should be empty"));
         }
-        let mut write_guard = self.cache.write().await;
+        let mut write_guard = self.rev_compressor.write().await;
         let rev_id = write_guard.write_sync_revision::<C>(revision).await?;
 
         self.rev_id_counter.set(rev_id);
@@ -110,9 +106,9 @@ impl RevisionManager {
 
     #[tracing::instrument(level = "debug", skip(self), err)]
     pub async fn ack_revision(&self, rev_id: i64) -> Result<(), FlowyError> {
-        if self.cache.write().await.ack_revision(rev_id).await.is_ok() {
+        if self.rev_compressor.write().await.ack_revision(rev_id).await.is_ok() {
             #[cfg(feature = "flowy_unit_test")]
-            let _ = self.revision_ack_notifier.send(rev_id);
+            let _ = self.rev_ack_notifier.send(rev_id);
         }
         Ok(())
     }
@@ -128,37 +124,42 @@ impl RevisionManager {
     }
 
     pub async fn get_revisions_in_range(&self, range: RevisionRange) -> Result<Vec<Revision>, FlowyError> {
-        let revisions = self.cache.read().await.revisions_in_range(&range).await?;
+        let revisions = self.rev_compressor.read().await.revisions_in_range(&range).await?;
         Ok(revisions)
     }
 
     pub async fn next_sync_revision(&self) -> FlowyResult<Option<Revision>> {
-        Ok(self.cache.read().await.next_sync_revision().await?)
+        Ok(self.rev_compressor.read().await.next_sync_revision().await?)
     }
 
     pub async fn get_revision(&self, rev_id: i64) -> Option<Revision> {
-        self.cache.read().await.get(rev_id).await.map(|record| record.revision)
+        self.rev_compressor
+            .read()
+            .await
+            .get(rev_id)
+            .await
+            .map(|record| record.revision)
     }
 }
 
 #[cfg(feature = "flowy_unit_test")]
 impl RevisionManager {
     pub async fn revision_cache(&self) -> Arc<RevisionCache> {
-        self.cache.read().await.inner.clone()
+        self.rev_compressor.read().await.inner.clone()
     }
-    pub fn revision_ack_receiver(&self) -> tokio::sync::broadcast::Receiver<i64> {
-        self.revision_ack_notifier.subscribe()
+    pub fn ack_notify(&self) -> tokio::sync::broadcast::Receiver<i64> {
+        self.rev_ack_notifier.subscribe()
     }
 }
 
-struct RevisionCacheCompact {
+struct RevisionCompressor {
     object_id: String,
     user_id: String,
     inner: Arc<RevisionCache>,
     sync_seq: RevisionSyncSequence,
 }
 
-impl RevisionCacheCompact {
+impl RevisionCompressor {
     fn new(object_id: &str, user_id: &str, inner: Arc<RevisionCache>) -> Self {
         let sync_seq = RevisionSyncSequence::new();
         let object_id = object_id.to_owned();
@@ -251,7 +252,7 @@ impl RevisionCacheCompact {
     }
 }
 
-impl std::ops::Deref for RevisionCacheCompact {
+impl std::ops::Deref for RevisionCompressor {
     type Target = Arc<RevisionCache>;
 
     fn deref(&self) -> &Self::Target {
@@ -323,7 +324,7 @@ struct RevisionLoader {
     object_id: String,
     user_id: String,
     cloud: Arc<dyn RevisionCloudService>,
-    cache: Arc<RwLock<RevisionCacheCompact>>,
+    rev_compressor: Arc<RwLock<RevisionCompressor>>,
 }
 
 impl RevisionLoader {
@@ -331,14 +332,14 @@ impl RevisionLoader {
     where
         C: RevisionCompact,
     {
-        let records = self.cache.read().await.batch_get(&self.object_id)?;
+        let records = self.rev_compressor.read().await.batch_get(&self.object_id)?;
         let revisions: Vec<Revision>;
         let mut rev_id = 0;
         if records.is_empty() {
             let remote_revisions = self.cloud.fetch_object(&self.user_id, &self.object_id).await?;
             for revision in &remote_revisions {
                 rev_id = revision.rev_id;
-                let _ = self.cache.read().await.add_ack_revision(revision).await?;
+                let _ = self.rev_compressor.read().await.add_ack_revision(revision).await?;
             }
             revisions = remote_revisions;
         } else {
@@ -346,7 +347,12 @@ impl RevisionLoader {
                 rev_id = record.revision.rev_id;
                 if record.state == RevisionState::Sync {
                     // Sync the records if their state is RevisionState::Sync.
-                    let _ = self.cache.write().await.add_sync_revision(&record.revision).await?;
+                    let _ = self
+                        .rev_compressor
+                        .write()
+                        .await
+                        .add_sync_revision(&record.revision)
+                        .await?;
                 }
             }
             revisions = records.into_iter().map(|record| record.revision).collect::<_>();
diff --git a/frontend/rust-lib/flowy-sync/src/ws_manager.rs b/frontend/rust-lib/flowy-sync/src/ws_manager.rs
index 36a78f06c7..0cd26b9f1d 100644
--- a/frontend/rust-lib/flowy-sync/src/ws_manager.rs
+++ b/frontend/rust-lib/flowy-sync/src/ws_manager.rs
@@ -44,7 +44,7 @@ pub struct RevisionWebSocketManager {
     pub object_id: String,
     sink_provider: Arc<dyn RevisionWSSinkDataProvider>,
     stream_consumer: Arc<dyn RevisionWSSteamConsumer>,
-    web_socket: Arc<dyn RevisionWebSocket>,
+    rev_web_socket: Arc<dyn RevisionWebSocket>,
     pub ws_passthrough_tx: Sender<ServerRevisionWSData>,
     ws_passthrough_rx: Option<Receiver<ServerRevisionWSData>>,
     pub state_passthrough_tx: broadcast::Sender<WSConnectState>,
@@ -60,7 +60,7 @@ impl RevisionWebSocketManager {
     pub fn new(
         object_name: &str,
         object_id: &str,
-        web_socket: Arc<dyn RevisionWebSocket>,
+        rev_web_socket: Arc<dyn RevisionWebSocket>,
         sink_provider: Arc<dyn RevisionWSSinkDataProvider>,
         stream_consumer: Arc<dyn RevisionWSSteamConsumer>,
         ping_duration: Duration,
@@ -75,7 +75,7 @@ impl RevisionWebSocketManager {
             object_name,
             sink_provider,
             stream_consumer,
-            web_socket,
+            rev_web_socket,
             ws_passthrough_tx,
             ws_passthrough_rx: Some(ws_passthrough_rx),
             state_passthrough_tx,
@@ -91,7 +91,7 @@ impl RevisionWebSocketManager {
             &self.object_id,
             &self.object_name,
             self.sink_provider.clone(),
-            self.web_socket.clone(),
+            self.rev_web_socket.clone(),
             self.stop_sync_tx.subscribe(),
             ping_duration,
         );
diff --git a/shared-lib/lib-infra/src/code_gen/flowy_toml.rs b/shared-lib/lib-infra/src/code_gen/flowy_toml.rs
index 32bdc8627f..1357f25a74 100644
--- a/shared-lib/lib-infra/src/code_gen/flowy_toml.rs
+++ b/shared-lib/lib-infra/src/code_gen/flowy_toml.rs
@@ -28,7 +28,7 @@ impl CrateConfig {
             .flowy_config
             .proto_crates
             .iter()
-            .map(|name| path_buf_with_component(&self.crate_path, vec![&name]))
+            .map(|name| path_buf_with_component(&self.crate_path, vec![name]))
             .collect::<Vec<PathBuf>>();
         proto_paths
     }
diff --git a/shared-lib/lib-infra/src/code_gen/protobuf_file/ast.rs b/shared-lib/lib-infra/src/code_gen/protobuf_file/ast.rs
index 599ec9b20e..a8f49b3c21 100644
--- a/shared-lib/lib-infra/src/code_gen/protobuf_file/ast.rs
+++ b/shared-lib/lib-infra/src/code_gen/protobuf_file/ast.rs
@@ -31,7 +31,7 @@ pub fn parse_crate_protobuf(crate_paths: Vec<String>) -> Vec<ProtobufCrateContex
         .collect::<Vec<ProtobufCrateContext>>()
 }
 
-fn parse_files_protobuf(proto_crate_path: &PathBuf, proto_output_dir: &PathBuf) -> Vec<ProtoFile> {
+fn parse_files_protobuf(proto_crate_path: &Path, proto_output_dir: &Path) -> Vec<ProtoFile> {
     let mut gen_proto_vec: Vec<ProtoFile> = vec![];
     // file_stem https://doc.rust-lang.org/std/path/struct.Path.html#method.file_stem
     for (path, file_name) in WalkDir::new(proto_crate_path)
@@ -54,7 +54,7 @@ fn parse_files_protobuf(proto_crate_path: &PathBuf, proto_output_dir: &PathBuf)
             .unwrap_or_else(|_| panic!("Unable to parse file at {}", path));
         let structs = get_ast_structs(&ast);
         let proto_file = format!("{}.proto", &file_name);
-        let proto_file_path = path_string_with_component(&proto_output_dir, vec![&proto_file]);
+        let proto_file_path = path_string_with_component(proto_output_dir, vec![&proto_file]);
         let mut proto_file_content = parse_or_init_proto_file(proto_file_path.as_ref());
 
         structs.iter().for_each(|s| {
diff --git a/shared-lib/lib-infra/src/code_gen/protobuf_file/mod.rs b/shared-lib/lib-infra/src/code_gen/protobuf_file/mod.rs
index fc02a0f256..ff1f5fa5f5 100644
--- a/shared-lib/lib-infra/src/code_gen/protobuf_file/mod.rs
+++ b/shared-lib/lib-infra/src/code_gen/protobuf_file/mod.rs
@@ -12,7 +12,7 @@ pub use proto_gen::*;
 pub use proto_info::*;
 use std::fs::File;
 use std::io::Write;
-use std::path::PathBuf;
+use std::path::{Path, PathBuf};
 use std::process::Command;
 use walkdir::WalkDir;
 
@@ -56,7 +56,7 @@ pub fn gen(crate_name: &str, proto_file_dir: &str) {
     generate_rust_protobuf_files(&protoc_bin_path, &proto_file_paths, proto_file_dir);
 }
 
-fn generate_rust_protobuf_files(protoc_bin_path: &PathBuf, proto_file_paths: &Vec<String>, proto_file_dir: &str) {
+fn generate_rust_protobuf_files(protoc_bin_path: &Path, proto_file_paths: &[String], proto_file_dir: &str) {
     protoc_rust::Codegen::new()
         .out_dir("./src/protobuf/model")
         .protoc_path(protoc_bin_path)
diff --git a/shared-lib/lib-infra/src/code_gen/util.rs b/shared-lib/lib-infra/src/code_gen/util.rs
index d63232481c..5339eefe78 100644
--- a/shared-lib/lib-infra/src/code_gen/util.rs
+++ b/shared-lib/lib-infra/src/code_gen/util.rs
@@ -94,18 +94,18 @@ pub fn is_hidden(entry: &walkdir::DirEntry) -> bool {
     entry.file_name().to_str().map(|s| s.starts_with('.')).unwrap_or(false)
 }
 
-pub fn create_dir_if_not_exist(dir: &PathBuf) {
-    if !dir.as_path().exists() {
+pub fn create_dir_if_not_exist(dir: &Path) {
+    if !dir.exists() {
         std::fs::create_dir_all(dir).unwrap();
     }
 }
 
-pub fn path_string_with_component(path: &PathBuf, components: Vec<&str>) -> String {
+pub fn path_string_with_component(path: &Path, components: Vec<&str>) -> String {
     path_buf_with_component(path, components).to_str().unwrap().to_string()
 }
 
-pub fn path_buf_with_component(path: &PathBuf, components: Vec<&str>) -> PathBuf {
-    let mut path_buf = path.clone();
+pub fn path_buf_with_component(path: &Path, components: Vec<&str>) -> PathBuf {
+    let mut path_buf = path.to_path_buf();
     for component in components {
         path_buf.push(component);
     }