diff --git a/frontend/rust-lib/flowy-core/src/module.rs b/frontend/rust-lib/flowy-core/src/module.rs
index e99925f3fa..e22a2b3d5e 100644
--- a/frontend/rust-lib/flowy-core/src/module.rs
+++ b/frontend/rust-lib/flowy-core/src/module.rs
@@ -1,10 +1,5 @@
 use std::sync::Arc;
 
-use backend_service::configuration::ClientServerConfiguration;
-use flowy_database::DBConnection;
-use flowy_document::context::DocumentContext;
-use lib_dispatch::prelude::*;
-use lib_sqlite::ConnectionPool;
 use crate::{
     context::CoreContext,
     errors::FlowyError,
@@ -22,6 +17,11 @@ use crate::{
         WorkspaceController,
     },
 };
+use backend_service::configuration::ClientServerConfiguration;
+use flowy_database::DBConnection;
+use flowy_document::context::DocumentContext;
+use lib_dispatch::prelude::*;
+use lib_sqlite::ConnectionPool;
 
 pub trait WorkspaceDeps: WorkspaceUser + WorkspaceDatabase {}
 
diff --git a/frontend/rust-lib/flowy-document/src/core/revision/mod.rs b/frontend/rust-lib/flowy-document/src/core/revision/mod.rs
index 78286f4c9e..19529199f8 100644
--- a/frontend/rust-lib/flowy-document/src/core/revision/mod.rs
+++ b/frontend/rust-lib/flowy-document/src/core/revision/mod.rs
@@ -1,6 +1,6 @@
-mod manager;
 mod cache;
 mod disk;
+mod manager;
 mod memory;
 
 pub use cache::*;
diff --git a/frontend/rust-lib/flowy-document/src/server/server_api.rs b/frontend/rust-lib/flowy-document/src/server/server_api.rs
index 7273f96aaf..675cecfa08 100644
--- a/frontend/rust-lib/flowy-document/src/server/server_api.rs
+++ b/frontend/rust-lib/flowy-document/src/server/server_api.rs
@@ -1,8 +1,7 @@
-use crate::errors::FlowyError;
+use crate::{errors::FlowyError, server::DocumentServerAPI};
 use backend_service::{configuration::*, request::HttpRequestBuilder};
 use flowy_collaboration::entities::doc::{CreateDocParams, DocumentId, DocumentInfo, ResetDocumentParams};
 use lib_infra::future::FutureResult;
-use crate::server::DocumentServerAPI;
 
 pub struct DocServer {
     config: ClientServerConfiguration,
diff --git a/frontend/rust-lib/flowy-document/src/server/server_api_mock.rs b/frontend/rust-lib/flowy-document/src/server/server_api_mock.rs
index 941a2a8e6d..e4629e8a9e 100644
--- a/frontend/rust-lib/flowy-document/src/server/server_api_mock.rs
+++ b/frontend/rust-lib/flowy-document/src/server/server_api_mock.rs
@@ -4,8 +4,7 @@ use flowy_collaboration::{
 };
 use lib_infra::future::FutureResult;
 
-use crate::errors::FlowyError;
-use crate::server::DocumentServerAPI;
+use crate::{errors::FlowyError, server::DocumentServerAPI};
 
 pub struct DocServerMock {}