diff --git a/frontend/rust-lib/flowy-net/src/local_server/persistence.rs b/frontend/rust-lib/flowy-net/src/local_server/persistence.rs
index 4cd305f2a6..17008481b5 100644
--- a/frontend/rust-lib/flowy-net/src/local_server/persistence.rs
+++ b/frontend/rust-lib/flowy-net/src/local_server/persistence.rs
@@ -1,7 +1,7 @@
+use flowy_sync::entities::revision::{RepeatedRevision, Revision};
 use flowy_sync::{
     entities::{folder::FolderInfo, text_block::DocumentPB},
     errors::CollaborateError,
-    protobuf::{RepeatedRevision as RepeatedRevisionPB, Revision as RevisionPB},
     server_document::*,
     server_folder::FolderCloudPersistence,
     util::{make_document_from_revision_pbs, make_folder_from_revisions_pb},
@@ -15,17 +15,17 @@ use std::{
 // For the moment, we use memory to cache the data, it will be implemented with
 // other storage. Like the Firestore,Dropbox.etc.
 pub trait RevisionCloudStorage: Send + Sync {
-    fn set_revisions(&self, repeated_revision: RepeatedRevisionPB) -> BoxResultFuture<(), CollaborateError>;
+    fn set_revisions(&self, repeated_revision: RepeatedRevision) -> BoxResultFuture<(), CollaborateError>;
     fn get_revisions(
         &self,
         object_id: &str,
         rev_ids: Option<Vec<i64>>,
-    ) -> BoxResultFuture<RepeatedRevisionPB, CollaborateError>;
+    ) -> BoxResultFuture<RepeatedRevision, CollaborateError>;
 
     fn reset_object(
         &self,
         object_id: &str,
-        repeated_revision: RepeatedRevisionPB,
+        repeated_revision: RepeatedRevision,
     ) -> BoxResultFuture<(), CollaborateError>;
 }
 
@@ -64,7 +64,7 @@ impl FolderCloudPersistence for LocalTextBlockCloudPersistence {
         &self,
         _user_id: &str,
         folder_id: &str,
-        repeated_revision: RepeatedRevisionPB,
+        repeated_revision: RepeatedRevision,
     ) -> BoxResultFuture<Option<FolderInfo>, CollaborateError> {
         let folder_id = folder_id.to_owned();
         let storage = self.storage.clone();
@@ -74,7 +74,7 @@ impl FolderCloudPersistence for LocalTextBlockCloudPersistence {
         })
     }
 
-    fn save_folder_revisions(&self, repeated_revision: RepeatedRevisionPB) -> BoxResultFuture<(), CollaborateError> {
+    fn save_folder_revisions(&self, repeated_revision: RepeatedRevision) -> BoxResultFuture<(), CollaborateError> {
         let storage = self.storage.clone();
         Box::pin(async move {
             let _ = storage.set_revisions(repeated_revision).await?;
@@ -86,20 +86,19 @@ impl FolderCloudPersistence for LocalTextBlockCloudPersistence {
         &self,
         folder_id: &str,
         rev_ids: Option<Vec<i64>>,
-    ) -> BoxResultFuture<Vec<RevisionPB>, CollaborateError> {
+    ) -> BoxResultFuture<Vec<Revision>, CollaborateError> {
         let folder_id = folder_id.to_owned();
         let storage = self.storage.clone();
         Box::pin(async move {
-            let mut repeated_revision = storage.get_revisions(&folder_id, rev_ids).await?;
-            let revisions: Vec<RevisionPB> = repeated_revision.take_items().into();
-            Ok(revisions)
+            let repeated_revision = storage.get_revisions(&folder_id, rev_ids).await?;
+            Ok(repeated_revision.into_inner())
         })
     }
 
     fn reset_folder(
         &self,
         folder_id: &str,
-        repeated_revision: RepeatedRevisionPB,
+        repeated_revision: RepeatedRevision,
     ) -> BoxResultFuture<(), CollaborateError> {
         let storage = self.storage.clone();
         let folder_id = folder_id.to_owned();
@@ -126,7 +125,7 @@ impl TextBlockCloudPersistence for LocalTextBlockCloudPersistence {
     fn create_text_block(
         &self,
         doc_id: &str,
-        repeated_revision: RepeatedRevisionPB,
+        repeated_revision: RepeatedRevision,
     ) -> BoxResultFuture<Option<DocumentPB>, CollaborateError> {
         let doc_id = doc_id.to_owned();
         let storage = self.storage.clone();
@@ -140,20 +139,16 @@ impl TextBlockCloudPersistence for LocalTextBlockCloudPersistence {
         &self,
         doc_id: &str,
         rev_ids: Option<Vec<i64>>,
-    ) -> BoxResultFuture<Vec<RevisionPB>, CollaborateError> {
+    ) -> BoxResultFuture<Vec<Revision>, CollaborateError> {
         let doc_id = doc_id.to_owned();
         let storage = self.storage.clone();
         Box::pin(async move {
-            let mut repeated_revision = storage.get_revisions(&doc_id, rev_ids).await?;
-            let revisions: Vec<RevisionPB> = repeated_revision.take_items().into();
-            Ok(revisions)
+            let repeated_revision = storage.get_revisions(&doc_id, rev_ids).await?;
+            Ok(repeated_revision.into_inner())
         })
     }
 
-    fn save_text_block_revisions(
-        &self,
-        repeated_revision: RepeatedRevisionPB,
-    ) -> BoxResultFuture<(), CollaborateError> {
+    fn save_text_block_revisions(&self, repeated_revision: RepeatedRevision) -> BoxResultFuture<(), CollaborateError> {
         let storage = self.storage.clone();
         Box::pin(async move {
             let _ = storage.set_revisions(repeated_revision).await?;
@@ -161,7 +156,7 @@ impl TextBlockCloudPersistence for LocalTextBlockCloudPersistence {
         })
     }
 
-    fn reset_text_block(&self, doc_id: &str, revisions: RepeatedRevisionPB) -> BoxResultFuture<(), CollaborateError> {
+    fn reset_text_block(&self, doc_id: &str, revisions: RepeatedRevision) -> BoxResultFuture<(), CollaborateError> {
         let storage = self.storage.clone();
         let doc_id = doc_id.to_owned();
         Box::pin(async move {
@@ -174,7 +169,7 @@ impl TextBlockCloudPersistence for LocalTextBlockCloudPersistence {
 #[derive(Default)]
 struct MemoryDocumentCloudStorage {}
 impl RevisionCloudStorage for MemoryDocumentCloudStorage {
-    fn set_revisions(&self, _repeated_revision: RepeatedRevisionPB) -> BoxResultFuture<(), CollaborateError> {
+    fn set_revisions(&self, _repeated_revision: RepeatedRevision) -> BoxResultFuture<(), CollaborateError> {
         Box::pin(async move { Ok(()) })
     }
 
@@ -182,9 +177,9 @@ impl RevisionCloudStorage for MemoryDocumentCloudStorage {
         &self,
         _doc_id: &str,
         _rev_ids: Option<Vec<i64>>,
-    ) -> BoxResultFuture<RepeatedRevisionPB, CollaborateError> {
+    ) -> BoxResultFuture<RepeatedRevision, CollaborateError> {
         Box::pin(async move {
-            let repeated_revisions = RepeatedRevisionPB::new();
+            let repeated_revisions = RepeatedRevision::default();
             Ok(repeated_revisions)
         })
     }
@@ -192,7 +187,7 @@ impl RevisionCloudStorage for MemoryDocumentCloudStorage {
     fn reset_object(
         &self,
         _doc_id: &str,
-        _repeated_revision: RepeatedRevisionPB,
+        _repeated_revision: RepeatedRevision,
     ) -> BoxResultFuture<(), CollaborateError> {
         Box::pin(async move { Ok(()) })
     }
diff --git a/shared-lib/flowy-derive/src/proto_buf/enum_serde.rs b/shared-lib/flowy-derive/src/proto_buf/enum_serde.rs
index 902af74ee8..fb0870fde8 100644
--- a/shared-lib/flowy-derive/src/proto_buf/enum_serde.rs
+++ b/shared-lib/flowy-derive/src/proto_buf/enum_serde.rs
@@ -28,9 +28,9 @@ pub fn make_enum_token_stream(_ctxt: &Ctxt, cont: &ASTContainer) -> Option<Token
             }
         }
 
-        impl std::convert::Into<crate::protobuf::#pb_enum> for #enum_ident {
-            fn into(self) -> crate::protobuf::#pb_enum  {
-                match self {
+        impl std::convert::From<#enum_ident> for  crate::protobuf::#pb_enum{
+            fn from(o: #enum_ident) -> crate::protobuf::#pb_enum  {
+                match o {
                     #(#build_to_pb_enum)*
                 }
             }
diff --git a/shared-lib/flowy-derive/src/proto_buf/serialize.rs b/shared-lib/flowy-derive/src/proto_buf/serialize.rs
index 0bf1469a3c..a43f337f8f 100644
--- a/shared-lib/flowy-derive/src/proto_buf/serialize.rs
+++ b/shared-lib/flowy-derive/src/proto_buf/serialize.rs
@@ -25,8 +25,8 @@ pub fn make_se_token_stream(ctxt: &Ctxt, ast: &ASTContainer) -> Option<TokenStre
             }
         }
 
-        impl std::convert::Into<crate::protobuf::#pb_ty> for #struct_ident {
-            fn into(self) -> crate::protobuf::#pb_ty {
+        impl std::convert::From<#struct_ident> for crate::protobuf::#pb_ty {
+            fn from(mut o: #struct_ident) -> crate::protobuf::#pb_ty {
                 let mut pb = crate::protobuf::#pb_ty::new();
                 #(#build_set_pb_fields)*
                 pb
@@ -40,7 +40,7 @@ pub fn make_se_token_stream(ctxt: &Ctxt, ast: &ASTContainer) -> Option<TokenStre
 fn se_token_stream_for_field(ctxt: &Ctxt, field: &ASTField, _take: bool) -> Option<TokenStream> {
     if let Some(func) = &field.attrs.serialize_with() {
         let member = &field.member;
-        Some(quote! { pb.#member=self.#func(); })
+        Some(quote! { pb.#member=o.#func(); })
     } else if field.attrs.is_one_of() {
         token_stream_for_one_of(ctxt, field)
     } else {
@@ -65,19 +65,19 @@ fn token_stream_for_one_of(ctxt: &Ctxt, field: &ASTField) -> Option<TokenStream>
 
     match ident_category(bracketed_ty_info.unwrap().ident) {
         TypeCategory::Protobuf => Some(quote! {
-            match self.#member {
+            match o.#member {
                 Some(s) => { pb.#set_func(s.into()) }
                 None => {}
             }
         }),
         TypeCategory::Enum => Some(quote! {
-            match self.#member {
+            match o.#member {
                 Some(s) => { pb.#set_func(s.into()) }
                 None => {}
             }
         }),
         _ => Some(quote! {
-            match self.#member {
+            match o.#member {
                 Some(ref s) => { pb.#set_func(s.clone()) }
                 None => {}
             }
@@ -99,18 +99,16 @@ fn gen_token_stream(ctxt: &Ctxt, member: &syn::Member, ty: &syn::Type, is_option
         TypeCategory::Str => {
             if is_option {
                 Some(quote! {
-                    match self.#member {
+                    match o.#member {
                         Some(ref s) => { pb.#member = s.to_string().clone();  }
                         None => {  pb.#member = String::new(); }
                     }
                 })
             } else {
-                Some(quote! { pb.#member = self.#member.clone(); })
+                Some(quote! { pb.#member = o.#member.clone(); })
             }
         }
-        TypeCategory::Protobuf => {
-            Some(quote! { pb.#member =  ::protobuf::SingularPtrField::some(self.#member.into()); })
-        }
+        TypeCategory::Protobuf => Some(quote! { pb.#member =  ::protobuf::SingularPtrField::some(o.#member.into()); }),
         TypeCategory::Opt => gen_token_stream(ctxt, member, ty_info.bracket_ty_info.unwrap().ty, true),
         TypeCategory::Enum => {
             // let pb_enum_ident = format_ident!("{}", ty_info.ident.to_string());
@@ -118,10 +116,10 @@ fn gen_token_stream(ctxt: &Ctxt, member: &syn::Member, ty: &syn::Type, is_option
             // flowy_protobuf::#pb_enum_ident::from_i32(self.#member.value()).unwrap();
             // })
             Some(quote! {
-                pb.#member = self.#member.into();
+                pb.#member = o.#member.into();
             })
         }
-        _ => Some(quote! { pb.#member = self.#member; }),
+        _ => Some(quote! { pb.#member = o.#member; }),
     }
 }
 
@@ -138,15 +136,15 @@ fn token_stream_for_vec(ctxt: &Ctxt, member: &syn::Member, ty: &syn::Type) -> Op
     match ident_category(ty_info.ident) {
         TypeCategory::Protobuf => Some(quote! {
             pb.#member = ::protobuf::RepeatedField::from_vec(
-                self.#member
+                o.#member
                 .into_iter()
                 .map(|m| m.into())
                 .collect());
         }),
-        TypeCategory::Bytes => Some(quote! { pb.#member = self.#member.clone(); }),
+        TypeCategory::Bytes => Some(quote! { pb.#member = o.#member.clone(); }),
 
         _ => Some(quote! {
-            pb.#member = ::protobuf::RepeatedField::from_vec(self.#member.clone());
+            pb.#member = ::protobuf::RepeatedField::from_vec(o.#member.clone());
         }),
     }
 }
@@ -165,14 +163,14 @@ fn token_stream_for_map(ctxt: &Ctxt, member: &syn::Member, ty: &syn::Type) -> Op
     match ident_category(ty_info.ident) {
         TypeCategory::Protobuf => Some(quote! {
             let mut m: std::collections::HashMap<String, crate::protobuf::#value_ty> = std::collections::HashMap::new();
-            self.#member.into_iter().for_each(|(k,v)| {
+            o.#member.into_iter().for_each(|(k,v)| {
                 m.insert(k.clone(), v.into());
             });
             pb.#member = m;
         }),
         _ => Some(quote! {
             let mut m: std::collections::HashMap<String, #value_ty> = std::collections::HashMap::new();
-              self.#member.iter().for_each(|(k,v)| {
+              o.#member.iter().for_each(|(k,v)| {
                  m.insert(k.clone(), v.clone());
               });
             pb.#member = m;
diff --git a/shared-lib/flowy-sync/src/server_document/document_manager.rs b/shared-lib/flowy-sync/src/server_document/document_manager.rs
index 9a5499f862..59d3dd3c97 100644
--- a/shared-lib/flowy-sync/src/server_document/document_manager.rs
+++ b/shared-lib/flowy-sync/src/server_document/document_manager.rs
@@ -1,7 +1,8 @@
+use crate::entities::revision::{RepeatedRevision, Revision};
 use crate::{
     entities::{text_block::DocumentPB, ws_data::ServerRevisionWSDataBuilder},
     errors::{internal_error, CollaborateError, CollaborateResult},
-    protobuf::{ClientRevisionWSData, RepeatedRevision as RepeatedRevisionPB, Revision as RevisionPB},
+    protobuf::ClientRevisionWSData,
     server_document::document_pad::ServerDocument,
     synchronizer::{RevisionSyncPersistence, RevisionSyncResponse, RevisionSynchronizer, RevisionUser},
     util::rev_id_from_str,
@@ -23,22 +24,21 @@ pub trait TextBlockCloudPersistence: Send + Sync + Debug {
     fn create_text_block(
         &self,
         doc_id: &str,
-        repeated_revision: RepeatedRevisionPB,
+        repeated_revision: RepeatedRevision,
     ) -> BoxResultFuture<Option<DocumentPB>, CollaborateError>;
 
     fn read_text_block_revisions(
         &self,
         doc_id: &str,
         rev_ids: Option<Vec<i64>>,
-    ) -> BoxResultFuture<Vec<RevisionPB>, CollaborateError>;
+    ) -> BoxResultFuture<Vec<Revision>, CollaborateError>;
 
-    fn save_text_block_revisions(&self, repeated_revision: RepeatedRevisionPB)
-        -> BoxResultFuture<(), CollaborateError>;
+    fn save_text_block_revisions(&self, repeated_revision: RepeatedRevision) -> BoxResultFuture<(), CollaborateError>;
 
     fn reset_text_block(
         &self,
         doc_id: &str,
-        repeated_revision: RepeatedRevisionPB,
+        repeated_revision: RepeatedRevision,
     ) -> BoxResultFuture<(), CollaborateError>;
 }
 
@@ -47,18 +47,18 @@ impl RevisionSyncPersistence for Arc<dyn TextBlockCloudPersistence> {
         &self,
         object_id: &str,
         rev_ids: Option<Vec<i64>>,
-    ) -> BoxResultFuture<Vec<RevisionPB>, CollaborateError> {
+    ) -> BoxResultFuture<Vec<Revision>, CollaborateError> {
         (**self).read_text_block_revisions(object_id, rev_ids)
     }
 
-    fn save_revisions(&self, repeated_revision: RepeatedRevisionPB) -> BoxResultFuture<(), CollaborateError> {
+    fn save_revisions(&self, repeated_revision: RepeatedRevision) -> BoxResultFuture<(), CollaborateError> {
         (**self).save_text_block_revisions(repeated_revision)
     }
 
     fn reset_object(
         &self,
         object_id: &str,
-        repeated_revision: RepeatedRevisionPB,
+        repeated_revision: RepeatedRevision,
     ) -> BoxResultFuture<(), CollaborateError> {
         (**self).reset_text_block(object_id, repeated_revision)
     }
@@ -82,7 +82,7 @@ impl ServerDocumentManager {
         user: Arc<dyn RevisionUser>,
         mut client_data: ClientRevisionWSData,
     ) -> Result<(), CollaborateError> {
-        let repeated_revision = client_data.take_revisions();
+        let repeated_revision: RepeatedRevision = client_data.take_revisions().into();
         let cloned_user = user.clone();
         let ack_id = rev_id_from_str(&client_data.data_id)?;
         let object_id = client_data.object_id;
@@ -131,9 +131,10 @@ impl ServerDocumentManager {
     pub async fn handle_document_reset(
         &self,
         doc_id: &str,
-        mut repeated_revision: RepeatedRevisionPB,
+        mut repeated_revision: RepeatedRevision,
     ) -> Result<(), CollaborateError> {
-        repeated_revision.mut_items().sort_by(|a, b| a.rev_id.cmp(&b.rev_id));
+        repeated_revision.sort_by(|a, b| a.rev_id.cmp(&b.rev_id));
+
         match self.get_document_handler(doc_id).await {
             None => {
                 tracing::warn!("Document:{} doesn't exist, ignore document reset", doc_id);
@@ -166,7 +167,7 @@ impl ServerDocumentManager {
     async fn create_document(
         &self,
         doc_id: &str,
-        repeated_revision: RepeatedRevisionPB,
+        repeated_revision: RepeatedRevision,
     ) -> Result<Arc<OpenDocumentHandler>, CollaborateError> {
         match self.persistence.create_text_block(doc_id, repeated_revision).await? {
             None => Err(CollaborateError::internal().context("Create document info from revisions failed")),
@@ -229,7 +230,7 @@ impl OpenDocumentHandler {
     async fn apply_revisions(
         &self,
         user: Arc<dyn RevisionUser>,
-        repeated_revision: RepeatedRevisionPB,
+        repeated_revision: RepeatedRevision,
     ) -> Result<(), CollaborateError> {
         let (ret, rx) = oneshot::channel();
         self.users.insert(user.user_id(), user.clone());
@@ -252,7 +253,7 @@ impl OpenDocumentHandler {
     }
 
     #[tracing::instrument(level = "debug", skip(self, repeated_revision), err)]
-    async fn apply_document_reset(&self, repeated_revision: RepeatedRevisionPB) -> Result<(), CollaborateError> {
+    async fn apply_document_reset(&self, repeated_revision: RepeatedRevision) -> Result<(), CollaborateError> {
         let (ret, rx) = oneshot::channel();
         let msg = DocumentCommand::Reset { repeated_revision, ret };
         let result = self.send(msg, rx).await?;
@@ -279,7 +280,7 @@ impl std::ops::Drop for OpenDocumentHandler {
 enum DocumentCommand {
     ApplyRevisions {
         user: Arc<dyn RevisionUser>,
-        repeated_revision: RepeatedRevisionPB,
+        repeated_revision: RepeatedRevision,
         ret: oneshot::Sender<CollaborateResult<()>>,
     },
     Ping {
@@ -288,7 +289,7 @@ enum DocumentCommand {
         ret: oneshot::Sender<CollaborateResult<()>>,
     },
     Reset {
-        repeated_revision: RepeatedRevisionPB,
+        repeated_revision: RepeatedRevision,
         ret: oneshot::Sender<CollaborateResult<()>>,
     },
 }
diff --git a/shared-lib/flowy-sync/src/server_folder/folder_manager.rs b/shared-lib/flowy-sync/src/server_folder/folder_manager.rs
index 0a1a5e117a..16b753f50b 100644
--- a/shared-lib/flowy-sync/src/server_folder/folder_manager.rs
+++ b/shared-lib/flowy-sync/src/server_folder/folder_manager.rs
@@ -1,10 +1,11 @@
+use crate::entities::revision::{RepeatedRevision, Revision};
 use crate::{
     entities::{
         folder::{FolderDelta, FolderInfo},
         ws_data::ServerRevisionWSDataBuilder,
     },
     errors::{internal_error, CollaborateError, CollaborateResult},
-    protobuf::{ClientRevisionWSData, RepeatedRevision as RepeatedRevisionPB, Revision as RevisionPB},
+    protobuf::ClientRevisionWSData,
     server_folder::folder_pad::ServerFolder,
     synchronizer::{RevisionSyncPersistence, RevisionSyncResponse, RevisionSynchronizer, RevisionUser},
     util::rev_id_from_str,
@@ -26,21 +27,21 @@ pub trait FolderCloudPersistence: Send + Sync + Debug {
         &self,
         user_id: &str,
         folder_id: &str,
-        repeated_revision: RepeatedRevisionPB,
+        repeated_revision: RepeatedRevision,
     ) -> BoxResultFuture<Option<FolderInfo>, CollaborateError>;
 
-    fn save_folder_revisions(&self, repeated_revision: RepeatedRevisionPB) -> BoxResultFuture<(), CollaborateError>;
+    fn save_folder_revisions(&self, repeated_revision: RepeatedRevision) -> BoxResultFuture<(), CollaborateError>;
 
     fn read_folder_revisions(
         &self,
         folder_id: &str,
         rev_ids: Option<Vec<i64>>,
-    ) -> BoxResultFuture<Vec<RevisionPB>, CollaborateError>;
+    ) -> BoxResultFuture<Vec<Revision>, CollaborateError>;
 
     fn reset_folder(
         &self,
         folder_id: &str,
-        repeated_revision: RepeatedRevisionPB,
+        repeated_revision: RepeatedRevision,
     ) -> BoxResultFuture<(), CollaborateError>;
 }
 
@@ -49,18 +50,18 @@ impl RevisionSyncPersistence for Arc<dyn FolderCloudPersistence> {
         &self,
         object_id: &str,
         rev_ids: Option<Vec<i64>>,
-    ) -> BoxResultFuture<Vec<RevisionPB>, CollaborateError> {
+    ) -> BoxResultFuture<Vec<Revision>, CollaborateError> {
         (**self).read_folder_revisions(object_id, rev_ids)
     }
 
-    fn save_revisions(&self, repeated_revision: RepeatedRevisionPB) -> BoxResultFuture<(), CollaborateError> {
+    fn save_revisions(&self, repeated_revision: RepeatedRevision) -> BoxResultFuture<(), CollaborateError> {
         (**self).save_folder_revisions(repeated_revision)
     }
 
     fn reset_object(
         &self,
         object_id: &str,
-        repeated_revision: RepeatedRevisionPB,
+        repeated_revision: RepeatedRevision,
     ) -> BoxResultFuture<(), CollaborateError> {
         (**self).reset_folder(object_id, repeated_revision)
     }
@@ -84,7 +85,7 @@ impl ServerFolderManager {
         user: Arc<dyn RevisionUser>,
         mut client_data: ClientRevisionWSData,
     ) -> Result<(), CollaborateError> {
-        let repeated_revision = client_data.take_revisions();
+        let repeated_revision: RepeatedRevision = client_data.take_revisions().into();
         let cloned_user = user.clone();
         let ack_id = rev_id_from_str(&client_data.data_id)?;
         let folder_id = client_data.object_id;
@@ -167,7 +168,7 @@ impl ServerFolderManager {
         &self,
         user_id: &str,
         folder_id: &str,
-        repeated_revision: RepeatedRevisionPB,
+        repeated_revision: RepeatedRevision,
     ) -> Result<Arc<OpenFolderHandler>, CollaborateError> {
         match self
             .persistence
@@ -221,7 +222,7 @@ impl OpenFolderHandler {
     async fn apply_revisions(
         &self,
         user: Arc<dyn RevisionUser>,
-        repeated_revision: RepeatedRevisionPB,
+        repeated_revision: RepeatedRevision,
     ) -> CollaborateResult<()> {
         let (ret, rx) = oneshot::channel();
         let msg = FolderCommand::ApplyRevisions {
@@ -258,7 +259,7 @@ impl std::ops::Drop for OpenFolderHandler {
 enum FolderCommand {
     ApplyRevisions {
         user: Arc<dyn RevisionUser>,
-        repeated_revision: RepeatedRevisionPB,
+        repeated_revision: RepeatedRevision,
         ret: oneshot::Sender<CollaborateResult<()>>,
     },
     Ping {
diff --git a/shared-lib/flowy-sync/src/synchronizer.rs b/shared-lib/flowy-sync/src/synchronizer.rs
index 1305c471b2..eca422296a 100644
--- a/shared-lib/flowy-sync/src/synchronizer.rs
+++ b/shared-lib/flowy-sync/src/synchronizer.rs
@@ -1,10 +1,11 @@
+use crate::entities::revision::{RepeatedRevision, Revision};
 use crate::{
     entities::{
         revision::RevisionRange,
         ws_data::{ServerRevisionWSData, ServerRevisionWSDataBuilder},
     },
     errors::CollaborateError,
-    protobuf::{RepeatedRevision as RepeatedRevisionPB, Revision as RevisionPB},
+    protobuf::Revision as RevisionPB,
     util::*,
 };
 use lib_infra::future::BoxResultFuture;
@@ -31,14 +32,14 @@ pub trait RevisionSyncPersistence: Send + Sync + 'static {
         &self,
         object_id: &str,
         rev_ids: Option<Vec<i64>>,
-    ) -> BoxResultFuture<Vec<RevisionPB>, CollaborateError>;
+    ) -> BoxResultFuture<Vec<Revision>, CollaborateError>;
 
-    fn save_revisions(&self, repeated_revision: RepeatedRevisionPB) -> BoxResultFuture<(), CollaborateError>;
+    fn save_revisions(&self, repeated_revision: RepeatedRevision) -> BoxResultFuture<(), CollaborateError>;
 
     fn reset_object(
         &self,
         object_id: &str,
-        repeated_revision: RepeatedRevisionPB,
+        repeated_revision: RepeatedRevision,
     ) -> BoxResultFuture<(), CollaborateError>;
 }
 
@@ -87,20 +88,20 @@ where
     pub async fn sync_revisions(
         &self,
         user: Arc<dyn RevisionUser>,
-        repeated_revision: RepeatedRevisionPB,
+        repeated_revision: RepeatedRevision,
     ) -> Result<(), CollaborateError> {
         let object_id = self.object_id.clone();
-        if repeated_revision.get_items().is_empty() {
+        if repeated_revision.is_empty() {
             // Return all the revisions to client
             let revisions = self.persistence.read_revisions(&object_id, None).await?;
-            let repeated_revision = repeated_revision_from_revision_pbs(revisions)?;
+            let repeated_revision = RepeatedRevision::from(revisions);
             let data = ServerRevisionWSDataBuilder::build_push_message(&object_id, repeated_revision);
             user.receive(RevisionSyncResponse::Push(data));
             return Ok(());
         }
 
         let server_base_rev_id = self.rev_id.load(SeqCst);
-        let first_revision = repeated_revision.get_items().first().unwrap().clone();
+        let first_revision = repeated_revision.first().unwrap().clone();
         if self.is_applied_before(&first_revision, &self.persistence).await {
             // Server has received this revision before, so ignore the following revisions
             return Ok(());
@@ -111,7 +112,7 @@ where
                 let server_rev_id = next(server_base_rev_id);
                 if server_base_rev_id == first_revision.base_rev_id || server_rev_id == first_revision.rev_id {
                     // The rev is in the right order, just compose it.
-                    for revision in repeated_revision.get_items() {
+                    for revision in repeated_revision.iter() {
                         let _ = self.compose_revision(revision)?;
                     }
                     let _ = self.persistence.save_revisions(repeated_revision).await?;
@@ -165,10 +166,10 @@ where
     }
 
     #[tracing::instrument(level = "debug", skip(self, repeated_revision), fields(object_id), err)]
-    pub async fn reset(&self, repeated_revision: RepeatedRevisionPB) -> Result<(), CollaborateError> {
+    pub async fn reset(&self, repeated_revision: RepeatedRevision) -> Result<(), CollaborateError> {
         let object_id = self.object_id.clone();
         tracing::Span::current().record("object_id", &object_id.as_str());
-        let revisions: Vec<RevisionPB> = repeated_revision.get_items().to_vec();
+        let revisions: Vec<Revision> = repeated_revision.clone().into_inner();
         let (_, rev_id) = pair_rev_id_from_revision_pbs(&revisions);
         let delta = make_delta_from_revision_pb(revisions)?;
         let _ = self.persistence.reset_object(&object_id, repeated_revision).await?;
@@ -181,7 +182,7 @@ where
         self.object.read().to_json()
     }
 
-    fn compose_revision(&self, revision: &RevisionPB) -> Result<(), CollaborateError> {
+    fn compose_revision(&self, revision: &Revision) -> Result<(), CollaborateError> {
         let delta = Delta::<T>::from_bytes(&revision.delta_data)?;
         let _ = self.compose_delta(delta)?;
         let _ = self.rev_id.fetch_update(SeqCst, SeqCst, |_e| Some(revision.rev_id));
@@ -213,11 +214,7 @@ where
         self.rev_id.load(SeqCst)
     }
 
-    async fn is_applied_before(
-        &self,
-        new_revision: &RevisionPB,
-        persistence: &Arc<dyn RevisionSyncPersistence>,
-    ) -> bool {
+    async fn is_applied_before(&self, new_revision: &Revision, persistence: &Arc<dyn RevisionSyncPersistence>) -> bool {
         let rev_ids = Some(vec![new_revision.rev_id]);
         if let Ok(revisions) = persistence.read_revisions(&self.object_id, rev_ids).await {
             if let Some(revision) = revisions.first() {
@@ -243,13 +240,10 @@ where
                     tracing::trace!("{}: can not read the revisions in range {:?}", self.object_id, rev_ids);
                     // assert_eq!(revisions.is_empty(), rev_ids.is_empty(),);
                 }
-                match repeated_revision_from_revision_pbs(revisions) {
-                    Ok(repeated_revision) => {
-                        let data = ServerRevisionWSDataBuilder::build_push_message(&self.object_id, repeated_revision);
-                        user.receive(RevisionSyncResponse::Push(data));
-                    }
-                    Err(e) => tracing::error!("{}", e),
-                }
+
+                let repeated_revision = RepeatedRevision::from(revisions);
+                let data = ServerRevisionWSDataBuilder::build_push_message(&self.object_id, repeated_revision);
+                user.receive(RevisionSyncResponse::Push(data));
             }
             Err(e) => {
                 tracing::error!("{}", e);
diff --git a/shared-lib/flowy-sync/src/util.rs b/shared-lib/flowy-sync/src/util.rs
index e0c8e0a5fa..c4504a806a 100644
--- a/shared-lib/flowy-sync/src/util.rs
+++ b/shared-lib/flowy-sync/src/util.rs
@@ -5,7 +5,6 @@ use crate::{
         text_block::DocumentPB,
     },
     errors::{CollaborateError, CollaborateResult},
-    protobuf::{RepeatedRevision as RepeatedRevisionPB, Revision as RevisionPB},
 };
 use dissimilar::Chunk;
 use lib_ot::core::{DeltaBuilder, FlowyStr};
@@ -14,10 +13,7 @@ use lib_ot::{
     rich_text::RichTextDelta,
 };
 use serde::de::DeserializeOwned;
-use std::{
-    convert::TryInto,
-    sync::atomic::{AtomicI64, Ordering::SeqCst},
-};
+use std::sync::atomic::{AtomicI64, Ordering::SeqCst};
 
 #[inline]
 pub fn find_newline(s: &str) -> Option<usize> {
@@ -85,7 +81,7 @@ where
     Ok(delta)
 }
 
-pub fn make_delta_from_revision_pb<T>(revisions: Vec<RevisionPB>) -> CollaborateResult<Delta<T>>
+pub fn make_delta_from_revision_pb<T>(revisions: Vec<Revision>) -> CollaborateResult<Delta<T>>
 where
     T: Attributes + DeserializeOwned,
 {
@@ -100,29 +96,7 @@ where
     Ok(new_delta)
 }
 
-pub fn repeated_revision_from_revision_pbs(revisions: Vec<RevisionPB>) -> CollaborateResult<RepeatedRevision> {
-    let repeated_revision_pb = repeated_revision_pb_from_revisions(revisions);
-
-    // let repeated_revision: RepeatedRevision = revisions.into_iter().map(Revision::);
-
-    repeated_revision_from_repeated_revision_pb(repeated_revision_pb)
-}
-
-pub fn repeated_revision_pb_from_revisions(revisions: Vec<RevisionPB>) -> RepeatedRevisionPB {
-    let mut repeated_revision_pb = RepeatedRevisionPB::new();
-    repeated_revision_pb.set_items(revisions.into());
-    repeated_revision_pb
-}
-
-pub fn repeated_revision_from_repeated_revision_pb(
-    repeated_revision: RepeatedRevisionPB,
-) -> CollaborateResult<RepeatedRevision> {
-    repeated_revision
-        .try_into()
-        .map_err(|e| CollaborateError::internal().context(format!("Cast repeated revision failed: {:?}", e)))
-}
-
-pub fn pair_rev_id_from_revision_pbs(revisions: &[RevisionPB]) -> (i64, i64) {
+pub fn pair_rev_id_from_revision_pbs(revisions: &[Revision]) -> (i64, i64) {
     let mut rev_id = 0;
     revisions.iter().for_each(|revision| {
         if rev_id < revision.rev_id {
@@ -155,9 +129,9 @@ pub fn pair_rev_id_from_revisions(revisions: &[Revision]) -> (i64, i64) {
 #[inline]
 pub fn make_folder_from_revisions_pb(
     folder_id: &str,
-    mut revisions: RepeatedRevisionPB,
+    revisions: RepeatedRevision,
 ) -> Result<Option<FolderInfo>, CollaborateError> {
-    let revisions = revisions.take_items();
+    let revisions = revisions.into_inner();
     if revisions.is_empty() {
         return Ok(None);
     }
@@ -187,9 +161,9 @@ pub fn make_folder_from_revisions_pb(
 #[inline]
 pub fn make_document_from_revision_pbs(
     doc_id: &str,
-    mut revisions: RepeatedRevisionPB,
+    revisions: RepeatedRevision,
 ) -> Result<Option<DocumentPB>, CollaborateError> {
-    let revisions = revisions.take_items();
+    let revisions = revisions.into_inner();
     if revisions.is_empty() {
         return Ok(None);
     }