diff --git a/app_flowy/lib/workspace/infrastructure/i_app_impl.dart b/app_flowy/lib/workspace/infrastructure/i_app_impl.dart
index ac19453819..9f5cb7ed7c 100644
--- a/app_flowy/lib/workspace/infrastructure/i_app_impl.dart
+++ b/app_flowy/lib/workspace/infrastructure/i_app_impl.dart
@@ -35,8 +35,7 @@ class IAppImpl extends IApp {
         final result = await docRepo.createDoc(
             name: view.name, desc: "", text: "[{\"insert\":\"\\n\"}]");
         return result.fold((l) => left(view), (r) {
-          return right(
-              WorkspaceError(code: WorkspaceErrorCode.Unknown, msg: r.msg));
+          return right(WorkspaceError(code: WsErrCode.Unknown, msg: r.msg));
         });
       default:
         return left(view);
diff --git a/app_flowy/packages/flowy_sdk/lib/protobuf/flowy-user/errors.pb.dart b/app_flowy/packages/flowy_sdk/lib/protobuf/flowy-user/errors.pb.dart
index 8a9e17b84a..e60cd65aa0 100644
--- a/app_flowy/packages/flowy_sdk/lib/protobuf/flowy-user/errors.pb.dart
+++ b/app_flowy/packages/flowy_sdk/lib/protobuf/flowy-user/errors.pb.dart
@@ -15,14 +15,14 @@ export 'errors.pbenum.dart';
 
 class UserError extends $pb.GeneratedMessage {
   static final $pb.BuilderInfo _i = $pb.BuilderInfo(const $core.bool.fromEnvironment('protobuf.omit_message_names') ? '' : 'UserError', createEmptyInstance: create)
-    ..e<UserErrorCode>(1, const $core.bool.fromEnvironment('protobuf.omit_field_names') ? '' : 'code', $pb.PbFieldType.OE, defaultOrMaker: UserErrorCode.Unknown, valueOf: UserErrorCode.valueOf, enumValues: UserErrorCode.values)
+    ..e<UserErrCode>(1, const $core.bool.fromEnvironment('protobuf.omit_field_names') ? '' : 'code', $pb.PbFieldType.OE, defaultOrMaker: UserErrCode.Unknown, valueOf: UserErrCode.valueOf, enumValues: UserErrCode.values)
     ..aOS(2, const $core.bool.fromEnvironment('protobuf.omit_field_names') ? '' : 'msg')
     ..hasRequiredFields = false
   ;
 
   UserError._() : super();
   factory UserError({
-    UserErrorCode? code,
+    UserErrCode? code,
     $core.String? msg,
   }) {
     final _result = create();
@@ -56,9 +56,9 @@ class UserError extends $pb.GeneratedMessage {
   static UserError? _defaultInstance;
 
   @$pb.TagNumber(1)
-  UserErrorCode get code => $_getN(0);
+  UserErrCode get code => $_getN(0);
   @$pb.TagNumber(1)
-  set code(UserErrorCode v) { setField(1, v); }
+  set code(UserErrCode v) { setField(1, v); }
   @$pb.TagNumber(1)
   $core.bool hasCode() => $_has(0);
   @$pb.TagNumber(1)
diff --git a/app_flowy/packages/flowy_sdk/lib/protobuf/flowy-user/errors.pbenum.dart b/app_flowy/packages/flowy_sdk/lib/protobuf/flowy-user/errors.pbenum.dart
index 791039fce8..1158167d22 100644
--- a/app_flowy/packages/flowy_sdk/lib/protobuf/flowy-user/errors.pbenum.dart
+++ b/app_flowy/packages/flowy_sdk/lib/protobuf/flowy-user/errors.pbenum.dart
@@ -9,26 +9,26 @@
 import 'dart:core' as $core;
 import 'package:protobuf/protobuf.dart' as $pb;
 
-class UserErrorCode extends $pb.ProtobufEnum {
-  static const UserErrorCode Unknown = UserErrorCode._(0, const $core.bool.fromEnvironment('protobuf.omit_enum_names') ? '' : 'Unknown');
-  static const UserErrorCode UserDatabaseInitFailed = UserErrorCode._(1, const $core.bool.fromEnvironment('protobuf.omit_enum_names') ? '' : 'UserDatabaseInitFailed');
-  static const UserErrorCode UserDatabaseWriteLocked = UserErrorCode._(2, const $core.bool.fromEnvironment('protobuf.omit_enum_names') ? '' : 'UserDatabaseWriteLocked');
-  static const UserErrorCode UserDatabaseReadLocked = UserErrorCode._(3, const $core.bool.fromEnvironment('protobuf.omit_enum_names') ? '' : 'UserDatabaseReadLocked');
-  static const UserErrorCode UserDatabaseDidNotMatch = UserErrorCode._(4, const $core.bool.fromEnvironment('protobuf.omit_enum_names') ? '' : 'UserDatabaseDidNotMatch');
-  static const UserErrorCode UserDatabaseInternalError = UserErrorCode._(5, const $core.bool.fromEnvironment('protobuf.omit_enum_names') ? '' : 'UserDatabaseInternalError');
-  static const UserErrorCode SqlInternalError = UserErrorCode._(6, const $core.bool.fromEnvironment('protobuf.omit_enum_names') ? '' : 'SqlInternalError');
-  static const UserErrorCode UserNotLoginYet = UserErrorCode._(10, const $core.bool.fromEnvironment('protobuf.omit_enum_names') ? '' : 'UserNotLoginYet');
-  static const UserErrorCode ReadCurrentIdFailed = UserErrorCode._(11, const $core.bool.fromEnvironment('protobuf.omit_enum_names') ? '' : 'ReadCurrentIdFailed');
-  static const UserErrorCode WriteCurrentIdFailed = UserErrorCode._(12, const $core.bool.fromEnvironment('protobuf.omit_enum_names') ? '' : 'WriteCurrentIdFailed');
-  static const UserErrorCode EmailInvalid = UserErrorCode._(20, const $core.bool.fromEnvironment('protobuf.omit_enum_names') ? '' : 'EmailInvalid');
-  static const UserErrorCode PasswordInvalid = UserErrorCode._(21, const $core.bool.fromEnvironment('protobuf.omit_enum_names') ? '' : 'PasswordInvalid');
-  static const UserErrorCode UserNameInvalid = UserErrorCode._(22, const $core.bool.fromEnvironment('protobuf.omit_enum_names') ? '' : 'UserNameInvalid');
-  static const UserErrorCode UserWorkspaceInvalid = UserErrorCode._(23, const $core.bool.fromEnvironment('protobuf.omit_enum_names') ? '' : 'UserWorkspaceInvalid');
-  static const UserErrorCode UserIdInvalid = UserErrorCode._(24, const $core.bool.fromEnvironment('protobuf.omit_enum_names') ? '' : 'UserIdInvalid');
-  static const UserErrorCode CreateDefaultWorkspaceFailed = UserErrorCode._(25, const $core.bool.fromEnvironment('protobuf.omit_enum_names') ? '' : 'CreateDefaultWorkspaceFailed');
-  static const UserErrorCode DefaultWorkspaceAlreadyExist = UserErrorCode._(26, const $core.bool.fromEnvironment('protobuf.omit_enum_names') ? '' : 'DefaultWorkspaceAlreadyExist');
+class UserErrCode extends $pb.ProtobufEnum {
+  static const UserErrCode Unknown = UserErrCode._(0, const $core.bool.fromEnvironment('protobuf.omit_enum_names') ? '' : 'Unknown');
+  static const UserErrCode UserDatabaseInitFailed = UserErrCode._(1, const $core.bool.fromEnvironment('protobuf.omit_enum_names') ? '' : 'UserDatabaseInitFailed');
+  static const UserErrCode UserDatabaseWriteLocked = UserErrCode._(2, const $core.bool.fromEnvironment('protobuf.omit_enum_names') ? '' : 'UserDatabaseWriteLocked');
+  static const UserErrCode UserDatabaseReadLocked = UserErrCode._(3, const $core.bool.fromEnvironment('protobuf.omit_enum_names') ? '' : 'UserDatabaseReadLocked');
+  static const UserErrCode UserDatabaseDidNotMatch = UserErrCode._(4, const $core.bool.fromEnvironment('protobuf.omit_enum_names') ? '' : 'UserDatabaseDidNotMatch');
+  static const UserErrCode UserDatabaseInternalError = UserErrCode._(5, const $core.bool.fromEnvironment('protobuf.omit_enum_names') ? '' : 'UserDatabaseInternalError');
+  static const UserErrCode SqlInternalError = UserErrCode._(6, const $core.bool.fromEnvironment('protobuf.omit_enum_names') ? '' : 'SqlInternalError');
+  static const UserErrCode UserNotLoginYet = UserErrCode._(10, const $core.bool.fromEnvironment('protobuf.omit_enum_names') ? '' : 'UserNotLoginYet');
+  static const UserErrCode ReadCurrentIdFailed = UserErrCode._(11, const $core.bool.fromEnvironment('protobuf.omit_enum_names') ? '' : 'ReadCurrentIdFailed');
+  static const UserErrCode WriteCurrentIdFailed = UserErrCode._(12, const $core.bool.fromEnvironment('protobuf.omit_enum_names') ? '' : 'WriteCurrentIdFailed');
+  static const UserErrCode EmailInvalid = UserErrCode._(20, const $core.bool.fromEnvironment('protobuf.omit_enum_names') ? '' : 'EmailInvalid');
+  static const UserErrCode PasswordInvalid = UserErrCode._(21, const $core.bool.fromEnvironment('protobuf.omit_enum_names') ? '' : 'PasswordInvalid');
+  static const UserErrCode UserNameInvalid = UserErrCode._(22, const $core.bool.fromEnvironment('protobuf.omit_enum_names') ? '' : 'UserNameInvalid');
+  static const UserErrCode UserWorkspaceInvalid = UserErrCode._(23, const $core.bool.fromEnvironment('protobuf.omit_enum_names') ? '' : 'UserWorkspaceInvalid');
+  static const UserErrCode UserIdInvalid = UserErrCode._(24, const $core.bool.fromEnvironment('protobuf.omit_enum_names') ? '' : 'UserIdInvalid');
+  static const UserErrCode CreateDefaultWorkspaceFailed = UserErrCode._(25, const $core.bool.fromEnvironment('protobuf.omit_enum_names') ? '' : 'CreateDefaultWorkspaceFailed');
+  static const UserErrCode DefaultWorkspaceAlreadyExist = UserErrCode._(26, const $core.bool.fromEnvironment('protobuf.omit_enum_names') ? '' : 'DefaultWorkspaceAlreadyExist');
 
-  static const $core.List<UserErrorCode> values = <UserErrorCode> [
+  static const $core.List<UserErrCode> values = <UserErrCode> [
     Unknown,
     UserDatabaseInitFailed,
     UserDatabaseWriteLocked,
@@ -48,9 +48,9 @@ class UserErrorCode extends $pb.ProtobufEnum {
     DefaultWorkspaceAlreadyExist,
   ];
 
-  static final $core.Map<$core.int, UserErrorCode> _byValue = $pb.ProtobufEnum.initByValue(values);
-  static UserErrorCode? valueOf($core.int value) => _byValue[value];
+  static final $core.Map<$core.int, UserErrCode> _byValue = $pb.ProtobufEnum.initByValue(values);
+  static UserErrCode? valueOf($core.int value) => _byValue[value];
 
-  const UserErrorCode._($core.int v, $core.String n) : super(v, n);
+  const UserErrCode._($core.int v, $core.String n) : super(v, n);
 }
 
diff --git a/app_flowy/packages/flowy_sdk/lib/protobuf/flowy-user/errors.pbjson.dart b/app_flowy/packages/flowy_sdk/lib/protobuf/flowy-user/errors.pbjson.dart
index 9625ae9cff..09b44306bc 100644
--- a/app_flowy/packages/flowy_sdk/lib/protobuf/flowy-user/errors.pbjson.dart
+++ b/app_flowy/packages/flowy_sdk/lib/protobuf/flowy-user/errors.pbjson.dart
@@ -8,9 +8,9 @@
 import 'dart:core' as $core;
 import 'dart:convert' as $convert;
 import 'dart:typed_data' as $typed_data;
-@$core.Deprecated('Use userErrorCodeDescriptor instead')
-const UserErrorCode$json = const {
-  '1': 'UserErrorCode',
+@$core.Deprecated('Use userErrCodeDescriptor instead')
+const UserErrCode$json = const {
+  '1': 'UserErrCode',
   '2': const [
     const {'1': 'Unknown', '2': 0},
     const {'1': 'UserDatabaseInitFailed', '2': 1},
@@ -32,16 +32,16 @@ const UserErrorCode$json = const {
   ],
 };
 
-/// Descriptor for `UserErrorCode`. Decode as a `google.protobuf.EnumDescriptorProto`.
-final $typed_data.Uint8List userErrorCodeDescriptor = $convert.base64Decode('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');
+/// Descriptor for `UserErrCode`. Decode as a `google.protobuf.EnumDescriptorProto`.
+final $typed_data.Uint8List userErrCodeDescriptor = $convert.base64Decode('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');
 @$core.Deprecated('Use userErrorDescriptor instead')
 const UserError$json = const {
   '1': 'UserError',
   '2': const [
-    const {'1': 'code', '3': 1, '4': 1, '5': 14, '6': '.UserErrorCode', '10': 'code'},
+    const {'1': 'code', '3': 1, '4': 1, '5': 14, '6': '.UserErrCode', '10': 'code'},
     const {'1': 'msg', '3': 2, '4': 1, '5': 9, '10': 'msg'},
   ],
 };
 
 /// Descriptor for `UserError`. Decode as a `google.protobuf.DescriptorProto`.
-final $typed_data.Uint8List userErrorDescriptor = $convert.base64Decode('CglVc2VyRXJyb3ISIgoEY29kZRgBIAEoDjIOLlVzZXJFcnJvckNvZGVSBGNvZGUSEAoDbXNnGAIgASgJUgNtc2c=');
+final $typed_data.Uint8List userErrorDescriptor = $convert.base64Decode('CglVc2VyRXJyb3ISIAoEY29kZRgBIAEoDjIMLlVzZXJFcnJDb2RlUgRjb2RlEhAKA21zZxgCIAEoCVIDbXNn');
diff --git a/app_flowy/packages/flowy_sdk/lib/protobuf/flowy-workspace/errors.pb.dart b/app_flowy/packages/flowy_sdk/lib/protobuf/flowy-workspace/errors.pb.dart
index 5caae3229d..b03572c2e7 100644
--- a/app_flowy/packages/flowy_sdk/lib/protobuf/flowy-workspace/errors.pb.dart
+++ b/app_flowy/packages/flowy_sdk/lib/protobuf/flowy-workspace/errors.pb.dart
@@ -15,14 +15,14 @@ export 'errors.pbenum.dart';
 
 class WorkspaceError extends $pb.GeneratedMessage {
   static final $pb.BuilderInfo _i = $pb.BuilderInfo(const $core.bool.fromEnvironment('protobuf.omit_message_names') ? '' : 'WorkspaceError', createEmptyInstance: create)
-    ..e<WorkspaceErrorCode>(1, const $core.bool.fromEnvironment('protobuf.omit_field_names') ? '' : 'code', $pb.PbFieldType.OE, defaultOrMaker: WorkspaceErrorCode.Unknown, valueOf: WorkspaceErrorCode.valueOf, enumValues: WorkspaceErrorCode.values)
+    ..e<WsErrCode>(1, const $core.bool.fromEnvironment('protobuf.omit_field_names') ? '' : 'code', $pb.PbFieldType.OE, defaultOrMaker: WsErrCode.Unknown, valueOf: WsErrCode.valueOf, enumValues: WsErrCode.values)
     ..aOS(2, const $core.bool.fromEnvironment('protobuf.omit_field_names') ? '' : 'msg')
     ..hasRequiredFields = false
   ;
 
   WorkspaceError._() : super();
   factory WorkspaceError({
-    WorkspaceErrorCode? code,
+    WsErrCode? code,
     $core.String? msg,
   }) {
     final _result = create();
@@ -56,9 +56,9 @@ class WorkspaceError extends $pb.GeneratedMessage {
   static WorkspaceError? _defaultInstance;
 
   @$pb.TagNumber(1)
-  WorkspaceErrorCode get code => $_getN(0);
+  WsErrCode get code => $_getN(0);
   @$pb.TagNumber(1)
-  set code(WorkspaceErrorCode v) { setField(1, v); }
+  set code(WsErrCode v) { setField(1, v); }
   @$pb.TagNumber(1)
   $core.bool hasCode() => $_has(0);
   @$pb.TagNumber(1)
diff --git a/app_flowy/packages/flowy_sdk/lib/protobuf/flowy-workspace/errors.pbenum.dart b/app_flowy/packages/flowy_sdk/lib/protobuf/flowy-workspace/errors.pbenum.dart
index 156f16249b..6c645d4eeb 100644
--- a/app_flowy/packages/flowy_sdk/lib/protobuf/flowy-workspace/errors.pbenum.dart
+++ b/app_flowy/packages/flowy_sdk/lib/protobuf/flowy-workspace/errors.pbenum.dart
@@ -9,23 +9,23 @@
 import 'dart:core' as $core;
 import 'package:protobuf/protobuf.dart' as $pb;
 
-class WorkspaceErrorCode extends $pb.ProtobufEnum {
-  static const WorkspaceErrorCode Unknown = WorkspaceErrorCode._(0, const $core.bool.fromEnvironment('protobuf.omit_enum_names') ? '' : 'Unknown');
-  static const WorkspaceErrorCode WorkspaceNameInvalid = WorkspaceErrorCode._(1, const $core.bool.fromEnvironment('protobuf.omit_enum_names') ? '' : 'WorkspaceNameInvalid');
-  static const WorkspaceErrorCode WorkspaceIdInvalid = WorkspaceErrorCode._(2, const $core.bool.fromEnvironment('protobuf.omit_enum_names') ? '' : 'WorkspaceIdInvalid');
-  static const WorkspaceErrorCode AppColorStyleInvalid = WorkspaceErrorCode._(3, const $core.bool.fromEnvironment('protobuf.omit_enum_names') ? '' : 'AppColorStyleInvalid');
-  static const WorkspaceErrorCode AppIdInvalid = WorkspaceErrorCode._(10, const $core.bool.fromEnvironment('protobuf.omit_enum_names') ? '' : 'AppIdInvalid');
-  static const WorkspaceErrorCode AppNameInvalid = WorkspaceErrorCode._(11, const $core.bool.fromEnvironment('protobuf.omit_enum_names') ? '' : 'AppNameInvalid');
-  static const WorkspaceErrorCode ViewNameInvalid = WorkspaceErrorCode._(20, const $core.bool.fromEnvironment('protobuf.omit_enum_names') ? '' : 'ViewNameInvalid');
-  static const WorkspaceErrorCode ViewThumbnailInvalid = WorkspaceErrorCode._(21, const $core.bool.fromEnvironment('protobuf.omit_enum_names') ? '' : 'ViewThumbnailInvalid');
-  static const WorkspaceErrorCode ViewIdInvalid = WorkspaceErrorCode._(22, const $core.bool.fromEnvironment('protobuf.omit_enum_names') ? '' : 'ViewIdInvalid');
-  static const WorkspaceErrorCode ViewDescInvalid = WorkspaceErrorCode._(23, const $core.bool.fromEnvironment('protobuf.omit_enum_names') ? '' : 'ViewDescInvalid');
-  static const WorkspaceErrorCode DatabaseConnectionFail = WorkspaceErrorCode._(100, const $core.bool.fromEnvironment('protobuf.omit_enum_names') ? '' : 'DatabaseConnectionFail');
-  static const WorkspaceErrorCode WorkspaceDatabaseError = WorkspaceErrorCode._(101, const $core.bool.fromEnvironment('protobuf.omit_enum_names') ? '' : 'WorkspaceDatabaseError');
-  static const WorkspaceErrorCode UserInternalError = WorkspaceErrorCode._(102, const $core.bool.fromEnvironment('protobuf.omit_enum_names') ? '' : 'UserInternalError');
-  static const WorkspaceErrorCode UserNotLoginYet = WorkspaceErrorCode._(103, const $core.bool.fromEnvironment('protobuf.omit_enum_names') ? '' : 'UserNotLoginYet');
+class WsErrCode extends $pb.ProtobufEnum {
+  static const WsErrCode Unknown = WsErrCode._(0, const $core.bool.fromEnvironment('protobuf.omit_enum_names') ? '' : 'Unknown');
+  static const WsErrCode WorkspaceNameInvalid = WsErrCode._(1, const $core.bool.fromEnvironment('protobuf.omit_enum_names') ? '' : 'WorkspaceNameInvalid');
+  static const WsErrCode WorkspaceIdInvalid = WsErrCode._(2, const $core.bool.fromEnvironment('protobuf.omit_enum_names') ? '' : 'WorkspaceIdInvalid');
+  static const WsErrCode AppColorStyleInvalid = WsErrCode._(3, const $core.bool.fromEnvironment('protobuf.omit_enum_names') ? '' : 'AppColorStyleInvalid');
+  static const WsErrCode AppIdInvalid = WsErrCode._(10, const $core.bool.fromEnvironment('protobuf.omit_enum_names') ? '' : 'AppIdInvalid');
+  static const WsErrCode AppNameInvalid = WsErrCode._(11, const $core.bool.fromEnvironment('protobuf.omit_enum_names') ? '' : 'AppNameInvalid');
+  static const WsErrCode ViewNameInvalid = WsErrCode._(20, const $core.bool.fromEnvironment('protobuf.omit_enum_names') ? '' : 'ViewNameInvalid');
+  static const WsErrCode ViewThumbnailInvalid = WsErrCode._(21, const $core.bool.fromEnvironment('protobuf.omit_enum_names') ? '' : 'ViewThumbnailInvalid');
+  static const WsErrCode ViewIdInvalid = WsErrCode._(22, const $core.bool.fromEnvironment('protobuf.omit_enum_names') ? '' : 'ViewIdInvalid');
+  static const WsErrCode ViewDescInvalid = WsErrCode._(23, const $core.bool.fromEnvironment('protobuf.omit_enum_names') ? '' : 'ViewDescInvalid');
+  static const WsErrCode DatabaseConnectionFail = WsErrCode._(100, const $core.bool.fromEnvironment('protobuf.omit_enum_names') ? '' : 'DatabaseConnectionFail');
+  static const WsErrCode WorkspaceDatabaseError = WsErrCode._(101, const $core.bool.fromEnvironment('protobuf.omit_enum_names') ? '' : 'WorkspaceDatabaseError');
+  static const WsErrCode UserInternalError = WsErrCode._(102, const $core.bool.fromEnvironment('protobuf.omit_enum_names') ? '' : 'UserInternalError');
+  static const WsErrCode UserNotLoginYet = WsErrCode._(103, const $core.bool.fromEnvironment('protobuf.omit_enum_names') ? '' : 'UserNotLoginYet');
 
-  static const $core.List<WorkspaceErrorCode> values = <WorkspaceErrorCode> [
+  static const $core.List<WsErrCode> values = <WsErrCode> [
     Unknown,
     WorkspaceNameInvalid,
     WorkspaceIdInvalid,
@@ -42,9 +42,9 @@ class WorkspaceErrorCode extends $pb.ProtobufEnum {
     UserNotLoginYet,
   ];
 
-  static final $core.Map<$core.int, WorkspaceErrorCode> _byValue = $pb.ProtobufEnum.initByValue(values);
-  static WorkspaceErrorCode? valueOf($core.int value) => _byValue[value];
+  static final $core.Map<$core.int, WsErrCode> _byValue = $pb.ProtobufEnum.initByValue(values);
+  static WsErrCode? valueOf($core.int value) => _byValue[value];
 
-  const WorkspaceErrorCode._($core.int v, $core.String n) : super(v, n);
+  const WsErrCode._($core.int v, $core.String n) : super(v, n);
 }
 
diff --git a/app_flowy/packages/flowy_sdk/lib/protobuf/flowy-workspace/errors.pbjson.dart b/app_flowy/packages/flowy_sdk/lib/protobuf/flowy-workspace/errors.pbjson.dart
index 54591696e9..e422474aee 100644
--- a/app_flowy/packages/flowy_sdk/lib/protobuf/flowy-workspace/errors.pbjson.dart
+++ b/app_flowy/packages/flowy_sdk/lib/protobuf/flowy-workspace/errors.pbjson.dart
@@ -8,9 +8,9 @@
 import 'dart:core' as $core;
 import 'dart:convert' as $convert;
 import 'dart:typed_data' as $typed_data;
-@$core.Deprecated('Use workspaceErrorCodeDescriptor instead')
-const WorkspaceErrorCode$json = const {
-  '1': 'WorkspaceErrorCode',
+@$core.Deprecated('Use wsErrCodeDescriptor instead')
+const WsErrCode$json = const {
+  '1': 'WsErrCode',
   '2': const [
     const {'1': 'Unknown', '2': 0},
     const {'1': 'WorkspaceNameInvalid', '2': 1},
@@ -29,16 +29,16 @@ const WorkspaceErrorCode$json = const {
   ],
 };
 
-/// Descriptor for `WorkspaceErrorCode`. Decode as a `google.protobuf.EnumDescriptorProto`.
-final $typed_data.Uint8List workspaceErrorCodeDescriptor = $convert.base64Decode('ChJXb3Jrc3BhY2VFcnJvckNvZGUSCwoHVW5rbm93bhAAEhgKFFdvcmtzcGFjZU5hbWVJbnZhbGlkEAESFgoSV29ya3NwYWNlSWRJbnZhbGlkEAISGAoUQXBwQ29sb3JTdHlsZUludmFsaWQQAxIQCgxBcHBJZEludmFsaWQQChISCg5BcHBOYW1lSW52YWxpZBALEhMKD1ZpZXdOYW1lSW52YWxpZBAUEhgKFFZpZXdUaHVtYm5haWxJbnZhbGlkEBUSEQoNVmlld0lkSW52YWxpZBAWEhMKD1ZpZXdEZXNjSW52YWxpZBAXEhoKFkRhdGFiYXNlQ29ubmVjdGlvbkZhaWwQZBIaChZXb3Jrc3BhY2VEYXRhYmFzZUVycm9yEGUSFQoRVXNlckludGVybmFsRXJyb3IQZhITCg9Vc2VyTm90TG9naW5ZZXQQZw==');
+/// Descriptor for `WsErrCode`. Decode as a `google.protobuf.EnumDescriptorProto`.
+final $typed_data.Uint8List wsErrCodeDescriptor = $convert.base64Decode('CglXc0VyckNvZGUSCwoHVW5rbm93bhAAEhgKFFdvcmtzcGFjZU5hbWVJbnZhbGlkEAESFgoSV29ya3NwYWNlSWRJbnZhbGlkEAISGAoUQXBwQ29sb3JTdHlsZUludmFsaWQQAxIQCgxBcHBJZEludmFsaWQQChISCg5BcHBOYW1lSW52YWxpZBALEhMKD1ZpZXdOYW1lSW52YWxpZBAUEhgKFFZpZXdUaHVtYm5haWxJbnZhbGlkEBUSEQoNVmlld0lkSW52YWxpZBAWEhMKD1ZpZXdEZXNjSW52YWxpZBAXEhoKFkRhdGFiYXNlQ29ubmVjdGlvbkZhaWwQZBIaChZXb3Jrc3BhY2VEYXRhYmFzZUVycm9yEGUSFQoRVXNlckludGVybmFsRXJyb3IQZhITCg9Vc2VyTm90TG9naW5ZZXQQZw==');
 @$core.Deprecated('Use workspaceErrorDescriptor instead')
 const WorkspaceError$json = const {
   '1': 'WorkspaceError',
   '2': const [
-    const {'1': 'code', '3': 1, '4': 1, '5': 14, '6': '.WorkspaceErrorCode', '10': 'code'},
+    const {'1': 'code', '3': 1, '4': 1, '5': 14, '6': '.WsErrCode', '10': 'code'},
     const {'1': 'msg', '3': 2, '4': 1, '5': 9, '10': 'msg'},
   ],
 };
 
 /// Descriptor for `WorkspaceError`. Decode as a `google.protobuf.DescriptorProto`.
-final $typed_data.Uint8List workspaceErrorDescriptor = $convert.base64Decode('Cg5Xb3Jrc3BhY2VFcnJvchInCgRjb2RlGAEgASgOMhMuV29ya3NwYWNlRXJyb3JDb2RlUgRjb2RlEhAKA21zZxgCIAEoCVIDbXNn');
+final $typed_data.Uint8List workspaceErrorDescriptor = $convert.base64Decode('Cg5Xb3Jrc3BhY2VFcnJvchIeCgRjb2RlGAEgASgOMgouV3NFcnJDb2RlUgRjb2RlEhAKA21zZxgCIAEoCVIDbXNn');
diff --git a/rust-lib/dart-ffi/src/lib.rs b/rust-lib/dart-ffi/src/lib.rs
index aaaba4d12a..c522c0443a 100644
--- a/rust-lib/dart-ffi/src/lib.rs
+++ b/rust-lib/dart-ffi/src/lib.rs
@@ -9,7 +9,7 @@ use crate::{
 };
 use flowy_dispatch::prelude::*;
 use flowy_sdk::*;
-use lazy_static::lazy_static;
+
 use std::{ffi::CStr, os::raw::c_char};
 
 #[no_mangle]
diff --git a/rust-lib/dart-ffi/src/model/ffi_response.rs b/rust-lib/dart-ffi/src/model/ffi_response.rs
index 29c7c01065..0a16bc4a83 100644
--- a/rust-lib/dart-ffi/src/model/ffi_response.rs
+++ b/rust-lib/dart-ffi/src/model/ffi_response.rs
@@ -1,5 +1,5 @@
 use flowy_derive::{ProtoBuf, ProtoBuf_Enum};
-use flowy_dispatch::prelude::{DispatchError, EventResponse, Payload, StatusCode};
+use flowy_dispatch::prelude::{EventResponse, Payload, StatusCode};
 
 #[derive(ProtoBuf_Enum, Clone, Copy)]
 pub enum FFIStatusCode {
diff --git a/rust-lib/flowy-derive/src/derive_cache/derive_cache.rs b/rust-lib/flowy-derive/src/derive_cache/derive_cache.rs
index 9829f4f522..3d0bdbc83d 100644
--- a/rust-lib/flowy-derive/src/derive_cache/derive_cache.rs
+++ b/rust-lib/flowy-derive/src/derive_cache/derive_cache.rs
@@ -56,12 +56,12 @@ pub fn category_from_str(type_str: &str) -> TypeCategory {
         | "EditorErrorCode"
         | "ViewType"
         | "WorkspaceEvent"
-        | "WorkspaceErrorCode"
+        | "WsErrCode"
         | "WorkspaceObservable"
         | "FFIStatusCode"
         | "UserStatus"
         | "UserEvent"
-        | "UserErrorCode"
+        | "UserErrCode"
         => TypeCategory::Enum,
 
         "Option" => TypeCategory::Opt,
diff --git a/rust-lib/flowy-dispatch/src/errors/errors.rs b/rust-lib/flowy-dispatch/src/errors/errors.rs
index ae7b1e6ff9..2335bde4b9 100644
--- a/rust-lib/flowy-dispatch/src/errors/errors.rs
+++ b/rust-lib/flowy-dispatch/src/errors/errors.rs
@@ -1,7 +1,7 @@
 use crate::{
     byte_trait::FromBytes,
     request::EventRequest,
-    response::{EventResponse, ResponseBuilder, StatusCode},
+    response::{EventResponse, ResponseBuilder},
 };
 use dyn_clone::DynClone;
 use serde::{Serialize, Serializer};
diff --git a/rust-lib/flowy-dispatch/src/response/builder.rs b/rust-lib/flowy-dispatch/src/response/builder.rs
index 2d56db4205..807561d48b 100644
--- a/rust-lib/flowy-dispatch/src/response/builder.rs
+++ b/rust-lib/flowy-dispatch/src/response/builder.rs
@@ -1,5 +1,4 @@
 use crate::{
-    errors::DispatchError,
     request::Payload,
     response::{EventResponse, StatusCode},
 };
diff --git a/rust-lib/flowy-editor/src/handlers/doc_handler.rs b/rust-lib/flowy-editor/src/handlers/doc_handler.rs
index 13ea1d641c..4ba6e2669c 100644
--- a/rust-lib/flowy-editor/src/handlers/doc_handler.rs
+++ b/rust-lib/flowy-editor/src/handlers/doc_handler.rs
@@ -4,7 +4,7 @@ use crate::{
     services::{doc_controller::DocController, file_manager::FileManager},
 };
 use flowy_dispatch::prelude::*;
-use std::{convert::TryInto, path::Path, sync::Arc};
+use std::{convert::TryInto, path::Path};
 use tokio::sync::RwLock;
 
 #[tracing::instrument(name = "create_doc", skip(data, controller, manager))]
@@ -67,7 +67,8 @@ pub async fn update_doc(
         manager
             .write()
             .await
-            .save(Path::new(&doc_desc.path), &s, params.id.clone());
+            .save(Path::new(&doc_desc.path), &s, params.id.clone())
+            .unwrap();
     }
 
     if params.name.is_some() || params.desc.is_some() {
diff --git a/rust-lib/flowy-editor/src/module.rs b/rust-lib/flowy-editor/src/module.rs
index e3b64fcd94..afc540b414 100644
--- a/rust-lib/flowy-editor/src/module.rs
+++ b/rust-lib/flowy-editor/src/module.rs
@@ -2,10 +2,7 @@ use crate::{
     errors::EditorError,
     event::EditorEvent,
     handlers::*,
-    services::{
-        doc_controller::DocController,
-        file_manager::{create_dir_if_not_exist, FileManager},
-    },
+    services::{doc_controller::DocController, file_manager::FileManager},
 };
 use flowy_database::DBConnection;
 use flowy_dispatch::prelude::*;
diff --git a/rust-lib/flowy-editor/src/services/doc_controller.rs b/rust-lib/flowy-editor/src/services/doc_controller.rs
index 995063fe11..727459294e 100644
--- a/rust-lib/flowy-editor/src/services/doc_controller.rs
+++ b/rust-lib/flowy-editor/src/services/doc_controller.rs
@@ -1,5 +1,5 @@
 use crate::{
-    entities::doc::{CreateDocParams, DocData, DocInfo, QueryDocParams, UpdateDocParams},
+    entities::doc::{CreateDocParams, DocInfo, UpdateDocParams},
     errors::EditorError,
     module::EditorDatabase,
     sql_tables::doc::{DocTable, DocTableChangeset, DocTableSql},
diff --git a/rust-lib/flowy-editor/src/services/file_manager/file.rs b/rust-lib/flowy-editor/src/services/file_manager/file.rs
index 610963f9cd..2e658bfde0 100644
--- a/rust-lib/flowy-editor/src/services/file_manager/file.rs
+++ b/rust-lib/flowy-editor/src/services/file_manager/file.rs
@@ -6,7 +6,6 @@ use std::{
     io::{Read, Write},
     path::{Path, PathBuf},
     str,
-    sync::atomic::{AtomicUsize, Ordering},
     time::SystemTime,
 };
 
@@ -117,6 +116,7 @@ pub(crate) fn try_decode(
     }
 }
 
+#[allow(dead_code)]
 pub(crate) fn create_dir_if_not_exist(dir: &str) -> Result<(), io::Error> {
     let _ = fs::create_dir_all(dir)?;
     Ok(())
diff --git a/rust-lib/flowy-editor/src/services/file_manager/manager.rs b/rust-lib/flowy-editor/src/services/file_manager/manager.rs
index b963c9a152..9d29e08193 100644
--- a/rust-lib/flowy-editor/src/services/file_manager/manager.rs
+++ b/rust-lib/flowy-editor/src/services/file_manager/manager.rs
@@ -1,9 +1,8 @@
 use crate::{module::EditorUser, services::file_manager::*};
 use std::{
     collections::HashMap,
-    io,
     path::{Path, PathBuf},
-    sync::{Arc, PoisonError, RwLock, RwLockReadGuard},
+    sync::Arc,
 };
 
 pub struct FileManager {
@@ -49,6 +48,7 @@ impl FileManager {
         }
     }
 
+    #[allow(dead_code)]
     pub(crate) fn close<T>(&mut self, id: T)
     where
         T: Into<FileId>,
@@ -71,12 +71,15 @@ impl FileManager {
         Ok(path)
     }
 
+    #[allow(dead_code)]
     pub(crate) fn get_info(&self, id: &FileId) -> Option<&FileInfo> { self.file_info.get(id) }
 
+    #[allow(dead_code)]
     pub(crate) fn get_file_id(&self, path: &Path) -> Option<FileId> {
         self.open_files.get(path).cloned()
     }
 
+    #[allow(dead_code)]
     pub fn check_file(&mut self, path: &Path, id: &FileId) -> bool {
         if let Some(info) = self.file_info.get_mut(&id) {
             let modified_time = get_modified_time(path);
diff --git a/rust-lib/flowy-editor/src/sql_tables/doc/doc_sql.rs b/rust-lib/flowy-editor/src/sql_tables/doc/doc_sql.rs
index 04c41005cf..25f074feae 100644
--- a/rust-lib/flowy-editor/src/sql_tables/doc/doc_sql.rs
+++ b/rust-lib/flowy-editor/src/sql_tables/doc/doc_sql.rs
@@ -36,5 +36,5 @@ impl DocTableSql {
         Ok(doc_table)
     }
 
-    pub(crate) fn delete_doc(&self, view_id: &str) -> Result<(), EditorError> { unimplemented!() }
+    pub(crate) fn delete_doc(&self, _view_id: &str) -> Result<(), EditorError> { unimplemented!() }
 }
diff --git a/rust-lib/flowy-editor/src/sql_tables/doc/doc_table.rs b/rust-lib/flowy-editor/src/sql_tables/doc/doc_table.rs
index f1bf3dc5e3..e1c6a62999 100644
--- a/rust-lib/flowy-editor/src/sql_tables/doc/doc_table.rs
+++ b/rust-lib/flowy-editor/src/sql_tables/doc/doc_table.rs
@@ -1,7 +1,6 @@
 use crate::entities::doc::{CreateDocParams, DocInfo, UpdateDocParams};
 use flowy_database::schema::doc_table;
-use flowy_infra::{timestamp, uuid};
-use std::convert::TryInto;
+use flowy_infra::timestamp;
 
 #[derive(PartialEq, Clone, Debug, Queryable, Identifiable, Insertable, Associations)]
 #[table_name = "doc_table"]
diff --git a/rust-lib/flowy-editor/src/sql_tables/doc/mod.rs b/rust-lib/flowy-editor/src/sql_tables/doc/mod.rs
index 0425e372d4..3979a2f247 100644
--- a/rust-lib/flowy-editor/src/sql_tables/doc/mod.rs
+++ b/rust-lib/flowy-editor/src/sql_tables/doc/mod.rs
@@ -1,5 +1,5 @@
 mod doc_sql;
 mod doc_table;
 
-pub use doc_sql::*;
-pub use doc_table::*;
+pub(crate) use doc_sql::*;
+pub(crate) use doc_table::*;
diff --git a/rust-lib/flowy-editor/tests/editor/helper.rs b/rust-lib/flowy-editor/tests/editor/helper.rs
index d68f156870..fd9ee245dc 100644
--- a/rust-lib/flowy-editor/tests/editor/helper.rs
+++ b/rust-lib/flowy-editor/tests/editor/helper.rs
@@ -34,6 +34,7 @@ pub fn save_doc(desc: &DocInfo, content: &str) {
         .sync_send();
 }
 
+#[allow(dead_code)]
 pub fn read_doc(doc_id: &str) -> DocInfo {
     let request = QueryDocRequest {
         doc_id: doc_id.to_string(),
diff --git a/rust-lib/flowy-infra/src/kv/kv.rs b/rust-lib/flowy-infra/src/kv/kv.rs
index 115de44165..3805058968 100644
--- a/rust-lib/flowy-infra/src/kv/kv.rs
+++ b/rust-lib/flowy-infra/src/kv/kv.rs
@@ -175,7 +175,7 @@ mod tests {
             std::fs::create_dir_all(dir).unwrap();
         }
 
-        KVStore::init(dir);
+        KVStore::init(dir).unwrap();
 
         KVStore::set_str("1", "hello".to_string());
         assert_eq!(KVStore::get_str("1").unwrap(), "hello");
diff --git a/rust-lib/flowy-observable/src/entities/subject.rs b/rust-lib/flowy-observable/src/entities/subject.rs
index c1a2b6d67c..89ed245db0 100644
--- a/rust-lib/flowy-observable/src/entities/subject.rs
+++ b/rust-lib/flowy-observable/src/entities/subject.rs
@@ -18,7 +18,10 @@ pub struct ObservableSubject {
 impl std::default::Default for ObservableSubject {
     fn default() -> Self {
         Self {
-            ..Default::default()
+            category: "".to_string(),
+            ty: 0,
+            subject_id: "".to_string(),
+            subject_payload: None,
         }
     }
 }
diff --git a/rust-lib/flowy-sdk/src/deps_resolve/workspace_deps_impl.rs b/rust-lib/flowy-sdk/src/deps_resolve/workspace_deps_impl.rs
index 67666078c7..a8fa5c7308 100644
--- a/rust-lib/flowy-sdk/src/deps_resolve/workspace_deps_impl.rs
+++ b/rust-lib/flowy-sdk/src/deps_resolve/workspace_deps_impl.rs
@@ -3,7 +3,7 @@ use flowy_dispatch::prelude::DispatchFuture;
 use flowy_user::prelude::UserSession;
 use flowy_workspace::{
     entities::workspace::CurrentWorkspace,
-    errors::{ErrorBuilder, WorkspaceError, WorkspaceErrorCode},
+    errors::{ErrorBuilder, WorkspaceError, WsErrCode},
     module::{WorkspaceDatabase, WorkspaceUser},
 };
 use std::sync::Arc;
@@ -25,7 +25,7 @@ impl WorkspaceUser for WorkspaceUserImpl {
                     .set_current_workspace(&workspace_id)
                     .await
                     .map_err(|e| {
-                        ErrorBuilder::new(WorkspaceErrorCode::UserInternalError)
+                        ErrorBuilder::new(WsErrCode::UserInternalError)
                             .error(e)
                             .build()
                     })?;
@@ -39,7 +39,7 @@ impl WorkspaceUser for WorkspaceUserImpl {
         DispatchFuture {
             fut: Box::pin(async move {
                 let user_detail = user_session.user_detail().map_err(|e| {
-                    ErrorBuilder::new(WorkspaceErrorCode::UserNotLoginYet)
+                    ErrorBuilder::new(WsErrCode::UserNotLoginYet)
                         .error(e)
                         .build()
                 })?;
@@ -60,7 +60,7 @@ pub struct WorkspaceDatabaseImpl {
 impl WorkspaceDatabase for WorkspaceDatabaseImpl {
     fn db_connection(&self) -> Result<DBConnection, WorkspaceError> {
         self.user_session.get_db_connection().map_err(|e| {
-            ErrorBuilder::new(WorkspaceErrorCode::DatabaseConnectionFail)
+            ErrorBuilder::new(WsErrCode::DatabaseConnectionFail)
                 .error(e)
                 .build()
         })
diff --git a/rust-lib/flowy-sdk/src/flowy_server.rs b/rust-lib/flowy-sdk/src/flowy_server.rs
index 3e3a2de9c8..4e52ea5b01 100644
--- a/rust-lib/flowy-sdk/src/flowy_server.rs
+++ b/rust-lib/flowy-sdk/src/flowy_server.rs
@@ -7,13 +7,12 @@ use flowy_dispatch::prelude::{
 };
 use flowy_user::{
     entities::{SignInParams, SignUpParams, UserDetail},
-    errors::{ErrorBuilder, UserError, UserErrorCode},
+    errors::{ErrorBuilder, UserErrCode, UserError},
     prelude::UserServer,
     sql_tables::UserTable,
 };
 use flowy_workspace::{
     entities::workspace::{CreateWorkspaceRequest, Workspace},
-    errors::WorkspaceError,
     event::WorkspaceEvent::CreateWorkspace,
 };
 
@@ -47,11 +46,11 @@ impl UserServer for FlowyServerMocker {
     }
 
     fn sign_out(&self, _user_id: &str) -> Result<(), UserError> {
-        Err(ErrorBuilder::new(UserErrorCode::Unknown).build())
+        Err(ErrorBuilder::new(UserErrCode::Unknown).build())
     }
 
     fn get_user_info(&self, _user_id: &str) -> Result<UserDetail, UserError> {
-        Err(ErrorBuilder::new(UserErrorCode::Unknown).build())
+        Err(ErrorBuilder::new(UserErrCode::Unknown).build())
     }
 
     fn create_workspace(
@@ -75,13 +74,13 @@ impl UserServer for FlowyServerMocker {
                     .await
                     .parse::<Workspace, DispatchError>()
                     .map_err(|e| {
-                        ErrorBuilder::new(UserErrorCode::CreateDefaultWorkspaceFailed)
+                        ErrorBuilder::new(UserErrCode::CreateDefaultWorkspaceFailed)
                             .error(e)
                             .build()
                     })?;
 
                 let workspace = result.map_err(|e| {
-                    ErrorBuilder::new(UserErrorCode::CreateDefaultWorkspaceFailed)
+                    ErrorBuilder::new(UserErrCode::CreateDefaultWorkspaceFailed)
                         .error(e)
                         .build()
                 })?;
diff --git a/rust-lib/flowy-sdk/src/module.rs b/rust-lib/flowy-sdk/src/module.rs
index a04878c8e9..3ed53cd87d 100644
--- a/rust-lib/flowy-sdk/src/module.rs
+++ b/rust-lib/flowy-sdk/src/module.rs
@@ -1,6 +1,6 @@
 use crate::flowy_server::{ArcFlowyServer, FlowyServerMocker};
 use flowy_dispatch::prelude::Module;
-use flowy_editor::prelude::*;
+
 use flowy_user::prelude::*;
 
 use crate::deps_resolve::{
diff --git a/rust-lib/flowy-user/src/entities/sign_in.rs b/rust-lib/flowy-user/src/entities/sign_in.rs
index 252b2c2636..94b2851a43 100644
--- a/rust-lib/flowy-user/src/entities/sign_in.rs
+++ b/rust-lib/flowy-user/src/entities/sign_in.rs
@@ -24,13 +24,10 @@ impl TryInto<SignInParams> for SignInRequest {
     type Error = UserError;
 
     fn try_into(self) -> Result<SignInParams, Self::Error> {
-        let email = UserEmail::parse(self.email).map_err(|e| {
-            ErrorBuilder::new(UserErrorCode::EmailInvalid)
-                .msg(e)
-                .build()
-        })?;
+        let email = UserEmail::parse(self.email)
+            .map_err(|e| ErrorBuilder::new(UserErrCode::EmailInvalid).msg(e).build())?;
         let password = UserPassword::parse(self.password).map_err(|e| {
-            ErrorBuilder::new(UserErrorCode::PasswordInvalid)
+            ErrorBuilder::new(UserErrCode::PasswordInvalid)
                 .msg(e)
                 .build()
         })?;
diff --git a/rust-lib/flowy-user/src/entities/sign_up.rs b/rust-lib/flowy-user/src/entities/sign_up.rs
index 57c4878b87..83ba6b1ee5 100644
--- a/rust-lib/flowy-user/src/entities/sign_up.rs
+++ b/rust-lib/flowy-user/src/entities/sign_up.rs
@@ -1,6 +1,6 @@
 use crate::{
     entities::parser::*,
-    errors::{ErrorBuilder, UserError, UserErrorCode},
+    errors::{ErrorBuilder, UserErrCode, UserError},
 };
 use flowy_derive::ProtoBuf;
 use std::convert::TryInto;
@@ -20,19 +20,16 @@ impl TryInto<SignUpParams> for SignUpRequest {
     type Error = UserError;
 
     fn try_into(self) -> Result<SignUpParams, Self::Error> {
-        let email = UserEmail::parse(self.email).map_err(|e| {
-            ErrorBuilder::new(UserErrorCode::EmailInvalid)
-                .msg(e)
-                .build()
-        })?;
+        let email = UserEmail::parse(self.email)
+            .map_err(|e| ErrorBuilder::new(UserErrCode::EmailInvalid).msg(e).build())?;
         let password = UserPassword::parse(self.password).map_err(|e| {
-            ErrorBuilder::new(UserErrorCode::PasswordInvalid)
+            ErrorBuilder::new(UserErrCode::PasswordInvalid)
                 .msg(e)
                 .build()
         })?;
 
         let name = UserName::parse(self.name).map_err(|e| {
-            ErrorBuilder::new(UserErrorCode::UserNameInvalid)
+            ErrorBuilder::new(UserErrCode::UserNameInvalid)
                 .msg(e)
                 .build()
         })?;
diff --git a/rust-lib/flowy-user/src/entities/user_update.rs b/rust-lib/flowy-user/src/entities/user_update.rs
index ab072bd22f..708c64375f 100644
--- a/rust-lib/flowy-user/src/entities/user_update.rs
+++ b/rust-lib/flowy-user/src/entities/user_update.rs
@@ -1,6 +1,6 @@
 use crate::{
     entities::parser::*,
-    errors::{ErrorBuilder, UserError, UserErrorCode},
+    errors::{ErrorBuilder, UserErrCode, UserError},
 };
 use flowy_derive::ProtoBuf;
 use std::convert::TryInto;
@@ -65,11 +65,7 @@ impl TryInto<UpdateUserParams> for UpdateUserRequest {
 
     fn try_into(self) -> Result<UpdateUserParams, Self::Error> {
         let id = UserId::parse(self.id)
-            .map_err(|e| {
-                ErrorBuilder::new(UserErrorCode::UserIdInvalid)
-                    .msg(e)
-                    .build()
-            })?
+            .map_err(|e| ErrorBuilder::new(UserErrCode::UserIdInvalid).msg(e).build())?
             .0;
 
         let name = match self.name {
@@ -77,7 +73,7 @@ impl TryInto<UpdateUserParams> for UpdateUserRequest {
             Some(name) => Some(
                 UserName::parse(name)
                     .map_err(|e| {
-                        ErrorBuilder::new(UserErrorCode::UserNameInvalid)
+                        ErrorBuilder::new(UserErrCode::UserNameInvalid)
                             .msg(e)
                             .build()
                     })?
@@ -89,11 +85,7 @@ impl TryInto<UpdateUserParams> for UpdateUserRequest {
             None => None,
             Some(email) => Some(
                 UserEmail::parse(email)
-                    .map_err(|e| {
-                        ErrorBuilder::new(UserErrorCode::EmailInvalid)
-                            .msg(e)
-                            .build()
-                    })?
+                    .map_err(|e| ErrorBuilder::new(UserErrCode::EmailInvalid).msg(e).build())?
                     .0,
             ),
         };
@@ -103,7 +95,7 @@ impl TryInto<UpdateUserParams> for UpdateUserRequest {
             Some(workspace) => Some(
                 UserWorkspace::parse(workspace)
                     .map_err(|e| {
-                        ErrorBuilder::new(UserErrorCode::UserWorkspaceInvalid)
+                        ErrorBuilder::new(UserErrCode::UserWorkspaceInvalid)
                             .msg(e)
                             .build()
                     })?
@@ -116,7 +108,7 @@ impl TryInto<UpdateUserParams> for UpdateUserRequest {
             Some(password) => Some(
                 UserPassword::parse(password)
                     .map_err(|e| {
-                        ErrorBuilder::new(UserErrorCode::PasswordInvalid)
+                        ErrorBuilder::new(UserErrCode::PasswordInvalid)
                             .msg(e)
                             .build()
                     })?
diff --git a/rust-lib/flowy-user/src/errors.rs b/rust-lib/flowy-user/src/errors.rs
index a1ff441cc3..793aeedd97 100644
--- a/rust-lib/flowy-user/src/errors.rs
+++ b/rust-lib/flowy-user/src/errors.rs
@@ -6,14 +6,14 @@ use std::convert::TryInto;
 #[derive(Debug, Default, Clone, ProtoBuf)]
 pub struct UserError {
     #[pb(index = 1)]
-    pub code: UserErrorCode,
+    pub code: UserErrCode,
 
     #[pb(index = 2)]
     pub msg: String,
 }
 
 impl UserError {
-    fn new(code: UserErrorCode, msg: &str) -> Self {
+    fn new(code: UserErrCode, msg: &str) -> Self {
         Self {
             code,
             msg: msg.to_owned(),
@@ -22,7 +22,7 @@ impl UserError {
 }
 
 #[derive(Debug, Clone, ProtoBuf_Enum, Display, PartialEq, Eq)]
-pub enum UserErrorCode {
+pub enum UserErrCode {
     #[display(fmt = "Unknown")]
     Unknown              = 0,
     #[display(fmt = "Database init failed")]
@@ -63,13 +63,13 @@ pub enum UserErrorCode {
     DefaultWorkspaceAlreadyExist = 26,
 }
 
-impl std::default::Default for UserErrorCode {
-    fn default() -> Self { UserErrorCode::Unknown }
+impl std::default::Default for UserErrCode {
+    fn default() -> Self { UserErrCode::Unknown }
 }
 
 impl std::convert::From<flowy_database::result::Error> for UserError {
     fn from(error: flowy_database::result::Error) -> Self {
-        ErrorBuilder::new(UserErrorCode::UserDatabaseInternalError)
+        ErrorBuilder::new(UserErrCode::UserDatabaseInternalError)
             .error(error)
             .build()
     }
@@ -106,7 +106,7 @@ impl std::convert::From<flowy_sqlite::Error> for UserError {
         //     ErrorKind::__Nonexhaustive { .. } => {},
         // }
 
-        ErrorBuilder::new(UserErrorCode::SqlInternalError)
+        ErrorBuilder::new(UserErrCode::SqlInternalError)
             .error(error)
             .build()
     }
@@ -120,12 +120,12 @@ impl flowy_dispatch::Error for UserError {
 }
 
 pub struct ErrorBuilder {
-    pub code: UserErrorCode,
+    pub code: UserErrCode,
     pub msg: Option<String>,
 }
 
 impl ErrorBuilder {
-    pub fn new(code: UserErrorCode) -> Self { ErrorBuilder { code, msg: None } }
+    pub fn new(code: UserErrCode) -> Self { ErrorBuilder { code, msg: None } }
 
     pub fn msg<T>(mut self, msg: T) -> Self
     where
diff --git a/rust-lib/flowy-user/src/handlers/auth_handler.rs b/rust-lib/flowy-user/src/handlers/auth_handler.rs
index 97073f4096..44813984b4 100644
--- a/rust-lib/flowy-user/src/handlers/auth_handler.rs
+++ b/rust-lib/flowy-user/src/handlers/auth_handler.rs
@@ -3,8 +3,8 @@ use flowy_dispatch::prelude::*;
 use std::{convert::TryInto, sync::Arc};
 
 // tracing instrument 👉🏻 https://docs.rs/tracing/0.1.26/tracing/attr.instrument.html
-#[tracing::instrument(name = "user_sign_in", skip(data, session), fields(email = %data.email))]
-pub async fn user_sign_in_handler(
+#[tracing::instrument(name = "sign_in", skip(data, session), fields(email = %data.email))]
+pub async fn sign_in(
     data: Data<SignInRequest>,
     session: Unit<Arc<UserSession>>,
 ) -> ResponseResult<UserDetail, UserError> {
@@ -15,14 +15,14 @@ pub async fn user_sign_in_handler(
 }
 
 #[tracing::instrument(
-    name = "user_sign_up",
+    name = "sign_up",
     skip(data, session),
     fields(
         email = %data.email,
         name = %data.name,
     )
 )]
-pub async fn user_sign_up_handler(
+pub async fn sign_up(
     data: Data<SignUpRequest>,
     session: Unit<Arc<UserSession>>,
 ) -> ResponseResult<UserDetail, UserError> {
diff --git a/rust-lib/flowy-user/src/handlers/user_handler.rs b/rust-lib/flowy-user/src/handlers/user_handler.rs
index 7922efd03e..e5c0af0a8a 100644
--- a/rust-lib/flowy-user/src/handlers/user_handler.rs
+++ b/rust-lib/flowy-user/src/handlers/user_handler.rs
@@ -2,19 +2,22 @@ use crate::{entities::*, errors::UserError, services::user_session::UserSession}
 use flowy_dispatch::prelude::*;
 use std::{convert::TryInto, sync::Arc};
 
-pub async fn user_get_status_handler(
+#[tracing::instrument(name = "get_user_status", skip(session))]
+pub async fn get_user_status(
     session: Unit<Arc<UserSession>>,
 ) -> ResponseResult<UserDetail, UserError> {
     let user_detail = session.user_detail()?;
     response_ok(user_detail)
 }
 
-pub async fn sign_out_handler(session: Unit<Arc<UserSession>>) -> Result<(), UserError> {
+#[tracing::instrument(name = "sign_out", skip(session))]
+pub async fn sign_out(session: Unit<Arc<UserSession>>) -> Result<(), UserError> {
     let _ = session.sign_out()?;
     Ok(())
 }
 
-pub async fn update_user_handler(
+#[tracing::instrument(name = "update_user", skip(data, session))]
+pub async fn update_user(
     data: Data<UpdateUserRequest>,
     session: Unit<Arc<UserSession>>,
 ) -> ResponseResult<UserDetail, UserError> {
diff --git a/rust-lib/flowy-user/src/module.rs b/rust-lib/flowy-user/src/module.rs
index 699a25dd22..07aeb29c94 100644
--- a/rust-lib/flowy-user/src/module.rs
+++ b/rust-lib/flowy-user/src/module.rs
@@ -7,9 +7,9 @@ pub fn create(user_session: Arc<UserSession>) -> Module {
     Module::new()
         .name("Flowy-User")
         .data(user_session)
-        .event(UserEvent::SignIn, user_sign_in_handler)
-        .event(UserEvent::SignUp, user_sign_up_handler)
-        .event(UserEvent::GetStatus, user_get_status_handler)
-        .event(UserEvent::SignOut, sign_out_handler)
-        .event(UserEvent::UpdateUser, update_user_handler)
+        .event(UserEvent::SignIn, sign_in)
+        .event(UserEvent::SignUp, sign_up)
+        .event(UserEvent::GetStatus, get_user_status)
+        .event(UserEvent::SignOut, sign_out)
+        .event(UserEvent::UpdateUser, update_user)
 }
diff --git a/rust-lib/flowy-user/src/protobuf/model/errors.rs b/rust-lib/flowy-user/src/protobuf/model/errors.rs
index 657a1837a7..ea9b238dde 100644
--- a/rust-lib/flowy-user/src/protobuf/model/errors.rs
+++ b/rust-lib/flowy-user/src/protobuf/model/errors.rs
@@ -26,7 +26,7 @@
 #[derive(PartialEq,Clone,Default)]
 pub struct UserError {
     // message fields
-    pub code: UserErrorCode,
+    pub code: UserErrCode,
     pub msg: ::std::string::String,
     // special fields
     pub unknown_fields: ::protobuf::UnknownFields,
@@ -44,18 +44,18 @@ impl UserError {
         ::std::default::Default::default()
     }
 
-    // .UserErrorCode code = 1;
+    // .UserErrCode code = 1;
 
 
-    pub fn get_code(&self) -> UserErrorCode {
+    pub fn get_code(&self) -> UserErrCode {
         self.code
     }
     pub fn clear_code(&mut self) {
-        self.code = UserErrorCode::Unknown;
+        self.code = UserErrCode::Unknown;
     }
 
     // Param is passed by value, moved
-    pub fn set_code(&mut self, v: UserErrorCode) {
+    pub fn set_code(&mut self, v: UserErrCode) {
         self.code = v;
     }
 
@@ -113,7 +113,7 @@ impl ::protobuf::Message for UserError {
     #[allow(unused_variables)]
     fn compute_size(&self) -> u32 {
         let mut my_size = 0;
-        if self.code != UserErrorCode::Unknown {
+        if self.code != UserErrCode::Unknown {
             my_size += ::protobuf::rt::enum_size(1, self.code);
         }
         if !self.msg.is_empty() {
@@ -125,7 +125,7 @@ impl ::protobuf::Message for UserError {
     }
 
     fn write_to_with_cached_sizes(&self, os: &mut ::protobuf::CodedOutputStream<'_>) -> ::protobuf::ProtobufResult<()> {
-        if self.code != UserErrorCode::Unknown {
+        if self.code != UserErrCode::Unknown {
             os.write_enum(1, ::protobuf::ProtobufEnum::value(&self.code))?;
         }
         if !self.msg.is_empty() {
@@ -169,7 +169,7 @@ impl ::protobuf::Message for UserError {
         static descriptor: ::protobuf::rt::LazyV2<::protobuf::reflect::MessageDescriptor> = ::protobuf::rt::LazyV2::INIT;
         descriptor.get(|| {
             let mut fields = ::std::vec::Vec::new();
-            fields.push(::protobuf::reflect::accessor::make_simple_field_accessor::<_, ::protobuf::types::ProtobufTypeEnum<UserErrorCode>>(
+            fields.push(::protobuf::reflect::accessor::make_simple_field_accessor::<_, ::protobuf::types::ProtobufTypeEnum<UserErrCode>>(
                 "code",
                 |m: &UserError| { &m.code },
                 |m: &mut UserError| { &mut m.code },
@@ -195,7 +195,7 @@ impl ::protobuf::Message for UserError {
 
 impl ::protobuf::Clear for UserError {
     fn clear(&mut self) {
-        self.code = UserErrorCode::Unknown;
+        self.code = UserErrCode::Unknown;
         self.msg.clear();
         self.unknown_fields.clear();
     }
@@ -214,7 +214,7 @@ impl ::protobuf::reflect::ProtobufValue for UserError {
 }
 
 #[derive(Clone,PartialEq,Eq,Debug,Hash)]
-pub enum UserErrorCode {
+pub enum UserErrCode {
     Unknown = 0,
     UserDatabaseInitFailed = 1,
     UserDatabaseWriteLocked = 2,
@@ -234,53 +234,53 @@ pub enum UserErrorCode {
     DefaultWorkspaceAlreadyExist = 26,
 }
 
-impl ::protobuf::ProtobufEnum for UserErrorCode {
+impl ::protobuf::ProtobufEnum for UserErrCode {
     fn value(&self) -> i32 {
         *self as i32
     }
 
-    fn from_i32(value: i32) -> ::std::option::Option<UserErrorCode> {
+    fn from_i32(value: i32) -> ::std::option::Option<UserErrCode> {
         match value {
-            0 => ::std::option::Option::Some(UserErrorCode::Unknown),
-            1 => ::std::option::Option::Some(UserErrorCode::UserDatabaseInitFailed),
-            2 => ::std::option::Option::Some(UserErrorCode::UserDatabaseWriteLocked),
-            3 => ::std::option::Option::Some(UserErrorCode::UserDatabaseReadLocked),
-            4 => ::std::option::Option::Some(UserErrorCode::UserDatabaseDidNotMatch),
-            5 => ::std::option::Option::Some(UserErrorCode::UserDatabaseInternalError),
-            6 => ::std::option::Option::Some(UserErrorCode::SqlInternalError),
-            10 => ::std::option::Option::Some(UserErrorCode::UserNotLoginYet),
-            11 => ::std::option::Option::Some(UserErrorCode::ReadCurrentIdFailed),
-            12 => ::std::option::Option::Some(UserErrorCode::WriteCurrentIdFailed),
-            20 => ::std::option::Option::Some(UserErrorCode::EmailInvalid),
-            21 => ::std::option::Option::Some(UserErrorCode::PasswordInvalid),
-            22 => ::std::option::Option::Some(UserErrorCode::UserNameInvalid),
-            23 => ::std::option::Option::Some(UserErrorCode::UserWorkspaceInvalid),
-            24 => ::std::option::Option::Some(UserErrorCode::UserIdInvalid),
-            25 => ::std::option::Option::Some(UserErrorCode::CreateDefaultWorkspaceFailed),
-            26 => ::std::option::Option::Some(UserErrorCode::DefaultWorkspaceAlreadyExist),
+            0 => ::std::option::Option::Some(UserErrCode::Unknown),
+            1 => ::std::option::Option::Some(UserErrCode::UserDatabaseInitFailed),
+            2 => ::std::option::Option::Some(UserErrCode::UserDatabaseWriteLocked),
+            3 => ::std::option::Option::Some(UserErrCode::UserDatabaseReadLocked),
+            4 => ::std::option::Option::Some(UserErrCode::UserDatabaseDidNotMatch),
+            5 => ::std::option::Option::Some(UserErrCode::UserDatabaseInternalError),
+            6 => ::std::option::Option::Some(UserErrCode::SqlInternalError),
+            10 => ::std::option::Option::Some(UserErrCode::UserNotLoginYet),
+            11 => ::std::option::Option::Some(UserErrCode::ReadCurrentIdFailed),
+            12 => ::std::option::Option::Some(UserErrCode::WriteCurrentIdFailed),
+            20 => ::std::option::Option::Some(UserErrCode::EmailInvalid),
+            21 => ::std::option::Option::Some(UserErrCode::PasswordInvalid),
+            22 => ::std::option::Option::Some(UserErrCode::UserNameInvalid),
+            23 => ::std::option::Option::Some(UserErrCode::UserWorkspaceInvalid),
+            24 => ::std::option::Option::Some(UserErrCode::UserIdInvalid),
+            25 => ::std::option::Option::Some(UserErrCode::CreateDefaultWorkspaceFailed),
+            26 => ::std::option::Option::Some(UserErrCode::DefaultWorkspaceAlreadyExist),
             _ => ::std::option::Option::None
         }
     }
 
     fn values() -> &'static [Self] {
-        static values: &'static [UserErrorCode] = &[
-            UserErrorCode::Unknown,
-            UserErrorCode::UserDatabaseInitFailed,
-            UserErrorCode::UserDatabaseWriteLocked,
-            UserErrorCode::UserDatabaseReadLocked,
-            UserErrorCode::UserDatabaseDidNotMatch,
-            UserErrorCode::UserDatabaseInternalError,
-            UserErrorCode::SqlInternalError,
-            UserErrorCode::UserNotLoginYet,
-            UserErrorCode::ReadCurrentIdFailed,
-            UserErrorCode::WriteCurrentIdFailed,
-            UserErrorCode::EmailInvalid,
-            UserErrorCode::PasswordInvalid,
-            UserErrorCode::UserNameInvalid,
-            UserErrorCode::UserWorkspaceInvalid,
-            UserErrorCode::UserIdInvalid,
-            UserErrorCode::CreateDefaultWorkspaceFailed,
-            UserErrorCode::DefaultWorkspaceAlreadyExist,
+        static values: &'static [UserErrCode] = &[
+            UserErrCode::Unknown,
+            UserErrCode::UserDatabaseInitFailed,
+            UserErrCode::UserDatabaseWriteLocked,
+            UserErrCode::UserDatabaseReadLocked,
+            UserErrCode::UserDatabaseDidNotMatch,
+            UserErrCode::UserDatabaseInternalError,
+            UserErrCode::SqlInternalError,
+            UserErrCode::UserNotLoginYet,
+            UserErrCode::ReadCurrentIdFailed,
+            UserErrCode::WriteCurrentIdFailed,
+            UserErrCode::EmailInvalid,
+            UserErrCode::PasswordInvalid,
+            UserErrCode::UserNameInvalid,
+            UserErrCode::UserWorkspaceInvalid,
+            UserErrCode::UserIdInvalid,
+            UserErrCode::CreateDefaultWorkspaceFailed,
+            UserErrCode::DefaultWorkspaceAlreadyExist,
         ];
         values
     }
@@ -288,31 +288,31 @@ impl ::protobuf::ProtobufEnum for UserErrorCode {
     fn enum_descriptor_static() -> &'static ::protobuf::reflect::EnumDescriptor {
         static descriptor: ::protobuf::rt::LazyV2<::protobuf::reflect::EnumDescriptor> = ::protobuf::rt::LazyV2::INIT;
         descriptor.get(|| {
-            ::protobuf::reflect::EnumDescriptor::new_pb_name::<UserErrorCode>("UserErrorCode", file_descriptor_proto())
+            ::protobuf::reflect::EnumDescriptor::new_pb_name::<UserErrCode>("UserErrCode", file_descriptor_proto())
         })
     }
 }
 
-impl ::std::marker::Copy for UserErrorCode {
+impl ::std::marker::Copy for UserErrCode {
 }
 
-impl ::std::default::Default for UserErrorCode {
+impl ::std::default::Default for UserErrCode {
     fn default() -> Self {
-        UserErrorCode::Unknown
+        UserErrCode::Unknown
     }
 }
 
-impl ::protobuf::reflect::ProtobufValue for UserErrorCode {
+impl ::protobuf::reflect::ProtobufValue for UserErrCode {
     fn as_ref(&self) -> ::protobuf::reflect::ReflectValueRef {
         ::protobuf::reflect::ReflectValueRef::Enum(::protobuf::ProtobufEnum::descriptor(self))
     }
 }
 
 static file_descriptor_proto_data: &'static [u8] = b"\
-    \n\x0cerrors.proto\"A\n\tUserError\x12\"\n\x04code\x18\x01\x20\x01(\x0e2\
-    \x0e.UserErrorCodeR\x04code\x12\x10\n\x03msg\x18\x02\x20\x01(\tR\x03msg*\
-    \xb8\x03\n\rUserErrorCode\x12\x0b\n\x07Unknown\x10\0\x12\x1a\n\x16UserDa\
-    tabaseInitFailed\x10\x01\x12\x1b\n\x17UserDatabaseWriteLocked\x10\x02\
+    \n\x0cerrors.proto\"?\n\tUserError\x12\x20\n\x04code\x18\x01\x20\x01(\
+    \x0e2\x0c.UserErrCodeR\x04code\x12\x10\n\x03msg\x18\x02\x20\x01(\tR\x03m\
+    sg*\xb6\x03\n\x0bUserErrCode\x12\x0b\n\x07Unknown\x10\0\x12\x1a\n\x16Use\
+    rDatabaseInitFailed\x10\x01\x12\x1b\n\x17UserDatabaseWriteLocked\x10\x02\
     \x12\x1a\n\x16UserDatabaseReadLocked\x10\x03\x12\x1b\n\x17UserDatabaseDi\
     dNotMatch\x10\x04\x12\x1d\n\x19UserDatabaseInternalError\x10\x05\x12\x14\
     \n\x10SqlInternalError\x10\x06\x12\x13\n\x0fUserNotLoginYet\x10\n\x12\
@@ -323,13 +323,13 @@ static file_descriptor_proto_data: &'static [u8] = b"\
     ultWorkspaceFailed\x10\x19\x12\x20\n\x1cDefaultWorkspaceAlreadyExist\x10\
     \x1aJ\xe9\x06\n\x06\x12\x04\0\0\x18\x01\n\x08\n\x01\x0c\x12\x03\0\0\x12\
     \n\n\n\x02\x04\0\x12\x04\x02\0\x05\x01\n\n\n\x03\x04\0\x01\x12\x03\x02\
-    \x08\x11\n\x0b\n\x04\x04\0\x02\0\x12\x03\x03\x04\x1b\n\x0c\n\x05\x04\0\
-    \x02\0\x06\x12\x03\x03\x04\x11\n\x0c\n\x05\x04\0\x02\0\x01\x12\x03\x03\
-    \x12\x16\n\x0c\n\x05\x04\0\x02\0\x03\x12\x03\x03\x19\x1a\n\x0b\n\x04\x04\
+    \x08\x11\n\x0b\n\x04\x04\0\x02\0\x12\x03\x03\x04\x19\n\x0c\n\x05\x04\0\
+    \x02\0\x06\x12\x03\x03\x04\x0f\n\x0c\n\x05\x04\0\x02\0\x01\x12\x03\x03\
+    \x10\x14\n\x0c\n\x05\x04\0\x02\0\x03\x12\x03\x03\x17\x18\n\x0b\n\x04\x04\
     \0\x02\x01\x12\x03\x04\x04\x13\n\x0c\n\x05\x04\0\x02\x01\x05\x12\x03\x04\
     \x04\n\n\x0c\n\x05\x04\0\x02\x01\x01\x12\x03\x04\x0b\x0e\n\x0c\n\x05\x04\
     \0\x02\x01\x03\x12\x03\x04\x11\x12\n\n\n\x02\x05\0\x12\x04\x06\0\x18\x01\
-    \n\n\n\x03\x05\0\x01\x12\x03\x06\x05\x12\n\x0b\n\x04\x05\0\x02\0\x12\x03\
+    \n\n\n\x03\x05\0\x01\x12\x03\x06\x05\x10\n\x0b\n\x04\x05\0\x02\0\x12\x03\
     \x07\x04\x10\n\x0c\n\x05\x05\0\x02\0\x01\x12\x03\x07\x04\x0b\n\x0c\n\x05\
     \x05\0\x02\0\x02\x12\x03\x07\x0e\x0f\n\x0b\n\x04\x05\0\x02\x01\x12\x03\
     \x08\x04\x1f\n\x0c\n\x05\x05\0\x02\x01\x01\x12\x03\x08\x04\x1a\n\x0c\n\
diff --git a/rust-lib/flowy-user/src/protobuf/proto/errors.proto b/rust-lib/flowy-user/src/protobuf/proto/errors.proto
index 881ae87c12..9a35970949 100644
--- a/rust-lib/flowy-user/src/protobuf/proto/errors.proto
+++ b/rust-lib/flowy-user/src/protobuf/proto/errors.proto
@@ -1,10 +1,10 @@
 syntax = "proto3";
 
 message UserError {
-    UserErrorCode code = 1;
+    UserErrCode code = 1;
     string msg = 2;
 }
-enum UserErrorCode {
+enum UserErrCode {
     Unknown = 0;
     UserDatabaseInitFailed = 1;
     UserDatabaseWriteLocked = 2;
diff --git a/rust-lib/flowy-user/src/services/user_session/database.rs b/rust-lib/flowy-user/src/services/user_session/database.rs
index f286957b99..965e9dd7c1 100644
--- a/rust-lib/flowy-user/src/services/user_session/database.rs
+++ b/rust-lib/flowy-user/src/services/user_session/database.rs
@@ -1,4 +1,4 @@
-use crate::errors::{ErrorBuilder, UserError, UserErrorCode};
+use crate::errors::{ErrorBuilder, UserErrCode, UserError};
 use flowy_database::{DBConnection, Database};
 use lazy_static::lazy_static;
 use once_cell::sync::Lazy;
@@ -22,7 +22,7 @@ impl UserDB {
 
     fn open_user_db(&self, user_id: &str) -> Result<(), UserError> {
         if user_id.is_empty() {
-            return Err(ErrorBuilder::new(UserErrorCode::UserDatabaseInitFailed)
+            return Err(ErrorBuilder::new(UserErrCode::UserDatabaseInitFailed)
                 .msg("user id is empty")
                 .build());
         }
@@ -30,13 +30,13 @@ impl UserDB {
         let dir = format!("{}/{}", self.db_dir, user_id);
         let db = flowy_database::init(&dir).map_err(|e| {
             log::error!("flowy_database::init failed, {:?}", e);
-            ErrorBuilder::new(UserErrorCode::UserDatabaseInitFailed)
+            ErrorBuilder::new(UserErrCode::UserDatabaseInitFailed)
                 .error(e)
                 .build()
         })?;
 
         let mut db_map = DB_MAP.write().map_err(|e| {
-            ErrorBuilder::new(UserErrorCode::UserDatabaseWriteLocked)
+            ErrorBuilder::new(UserErrCode::UserDatabaseWriteLocked)
                 .error(e)
                 .build()
         })?;
@@ -47,7 +47,7 @@ impl UserDB {
 
     pub(crate) fn close_user_db(&self, user_id: &str) -> Result<(), UserError> {
         let mut db_map = DB_MAP.write().map_err(|e| {
-            ErrorBuilder::new(UserErrorCode::UserDatabaseWriteLocked)
+            ErrorBuilder::new(UserErrCode::UserDatabaseWriteLocked)
                 .msg(format!("Close user db failed. {:?}", e))
                 .build()
         })?;
@@ -63,13 +63,13 @@ impl UserDB {
         }
 
         let db_map = DB_MAP.read().map_err(|e| {
-            ErrorBuilder::new(UserErrorCode::UserDatabaseReadLocked)
+            ErrorBuilder::new(UserErrCode::UserDatabaseReadLocked)
                 .error(e)
                 .build()
         })?;
 
         match db_map.get(user_id) {
-            None => Err(ErrorBuilder::new(UserErrorCode::UserDatabaseInitFailed)
+            None => Err(ErrorBuilder::new(UserErrCode::UserDatabaseInitFailed)
                 .msg("Get connection failed. The database is not initialization")
                 .build()),
             Some(database) => Ok(database.get_connection()?),
diff --git a/rust-lib/flowy-user/src/services/user_session/user_session.rs b/rust-lib/flowy-user/src/services/user_session/user_session.rs
index b1715214d4..840de4d45a 100644
--- a/rust-lib/flowy-user/src/services/user_session/user_session.rs
+++ b/rust-lib/flowy-user/src/services/user_session/user_session.rs
@@ -11,7 +11,7 @@ use std::sync::{Arc, RwLock};
 
 use crate::{
     entities::{SignInParams, SignUpParams, UpdateUserParams, UpdateUserRequest, UserDetail},
-    errors::{ErrorBuilder, UserError, UserErrorCode},
+    errors::{ErrorBuilder, UserErrCode, UserError},
     event::UserEvent::*,
     services::user_session::{database::UserDB, user_server::UserServer},
     sql_tables::{UserTable, UserTableChangeset},
@@ -140,7 +140,7 @@ impl UserSession {
                 *write_guard = user_id;
                 Ok(())
             },
-            Err(e) => Err(ErrorBuilder::new(UserErrorCode::WriteCurrentIdFailed)
+            Err(e) => Err(ErrorBuilder::new(UserErrCode::WriteCurrentIdFailed)
                 .error(e)
                 .build()),
         }
@@ -154,7 +154,7 @@ impl UserSession {
     pub fn get_user_id(&self) -> Result<String, UserError> {
         let mut user_id = {
             let read_guard = self.user_id.read().map_err(|e| {
-                ErrorBuilder::new(UserErrorCode::ReadCurrentIdFailed)
+                ErrorBuilder::new(UserErrCode::ReadCurrentIdFailed)
                     .error(e)
                     .build()
             })?;
@@ -168,7 +168,7 @@ impl UserSession {
         }
 
         match user_id {
-            None => Err(ErrorBuilder::new(UserErrorCode::UserNotLoginYet).build()),
+            None => Err(ErrorBuilder::new(UserErrCode::UserNotLoginYet).build()),
             Some(user_id) => Ok(user_id),
         }
     }
@@ -191,7 +191,7 @@ impl UserSession {
     async fn create_default_workspace_if_need(&self, user_id: &str) -> Result<String, UserError> {
         let key = format!("{}{}", user_id, DEFAULT_WORKSPACE);
         if KVStore::get_bool(&key).unwrap_or(false) {
-            return Err(ErrorBuilder::new(UserErrorCode::DefaultWorkspaceAlreadyExist).build());
+            return Err(ErrorBuilder::new(UserErrCode::DefaultWorkspaceAlreadyExist).build());
         }
         KVStore::set_bool(&key, true);
         log::debug!("Create user:{} default workspace", user_id);
@@ -205,7 +205,7 @@ impl UserSession {
 
 pub fn current_user_id() -> Result<String, UserError> {
     match KVStore::get_str(USER_ID_CACHE_KEY) {
-        None => Err(ErrorBuilder::new(UserErrorCode::UserNotLoginYet).build()),
+        None => Err(ErrorBuilder::new(UserErrCode::UserNotLoginYet).build()),
         Some(user_id) => Ok(user_id),
     }
 }
diff --git a/rust-lib/flowy-user/tests/event/sign_in_test.rs b/rust-lib/flowy-user/tests/event/sign_in_test.rs
index a3a28a33f7..28185bfec4 100644
--- a/rust-lib/flowy-user/tests/event/sign_in_test.rs
+++ b/rust-lib/flowy-user/tests/event/sign_in_test.rs
@@ -1,5 +1,5 @@
 use crate::helper::*;
-use flowy_user::{errors::UserErrorCode, event::UserEvent::*, prelude::*};
+use flowy_user::{errors::UserErrCode, event::UserEvent::*, prelude::*};
 use serial_test::*;
 
 #[test]
@@ -35,7 +35,7 @@ fn sign_in_with_invalid_email() {
                 .sync_send()
                 .error()
                 .code,
-            UserErrorCode::EmailInvalid
+            UserErrCode::EmailInvalid
         );
     }
 }
@@ -56,7 +56,7 @@ fn sign_in_with_invalid_password() {
                 .sync_send()
                 .error()
                 .code,
-            UserErrorCode::PasswordInvalid
+            UserErrCode::PasswordInvalid
         );
     }
 }
diff --git a/rust-lib/flowy-user/tests/event/sign_up_test.rs b/rust-lib/flowy-user/tests/event/sign_up_test.rs
index 037ed4a5b0..5e74e3ffcf 100644
--- a/rust-lib/flowy-user/tests/event/sign_up_test.rs
+++ b/rust-lib/flowy-user/tests/event/sign_up_test.rs
@@ -35,7 +35,7 @@ fn sign_up_with_invalid_email() {
                 .sync_send()
                 .error()
                 .code,
-            UserErrorCode::EmailInvalid
+            UserErrCode::EmailInvalid
         );
     }
 }
@@ -56,7 +56,7 @@ fn sign_up_with_invalid_password() {
                 .sync_send()
                 .error()
                 .code,
-            UserErrorCode::PasswordInvalid
+            UserErrCode::PasswordInvalid
         );
     }
 }
diff --git a/rust-lib/flowy-user/tests/event/user_update_test.rs b/rust-lib/flowy-user/tests/event/user_update_test.rs
index 78c9ca332f..10040340c4 100644
--- a/rust-lib/flowy-user/tests/event/user_update_test.rs
+++ b/rust-lib/flowy-user/tests/event/user_update_test.rs
@@ -1,5 +1,5 @@
 use crate::helper::*;
-use flowy_user::{errors::UserErrorCode, event::UserEvent::*, prelude::*};
+use flowy_user::{errors::UserErrCode, event::UserEvent::*, prelude::*};
 use serial_test::*;
 
 #[test]
@@ -86,7 +86,7 @@ fn user_update_with_invalid_email() {
                 .sync_send()
                 .error()
                 .code,
-            UserErrorCode::EmailInvalid
+            UserErrCode::EmailInvalid
         );
     }
 }
@@ -111,7 +111,7 @@ fn user_update_with_invalid_password() {
                 .sync_send()
                 .error()
                 .code,
-            UserErrorCode::PasswordInvalid
+            UserErrCode::PasswordInvalid
         );
     }
 }
@@ -135,6 +135,6 @@ fn user_update_with_invalid_name() {
             .sync_send()
             .error()
             .code,
-        UserErrorCode::UserNameInvalid
+        UserErrCode::UserNameInvalid
     );
 }
diff --git a/rust-lib/flowy-workspace/src/entities/app/app_create.rs b/rust-lib/flowy-workspace/src/entities/app/app_create.rs
index a7cfe093df..b91f0a8f23 100644
--- a/rust-lib/flowy-workspace/src/entities/app/app_create.rs
+++ b/rust-lib/flowy-workspace/src/entities/app/app_create.rs
@@ -42,20 +42,17 @@ impl TryInto<CreateAppParams> for CreateAppRequest {
     type Error = WorkspaceError;
 
     fn try_into(self) -> Result<CreateAppParams, Self::Error> {
-        let name = AppName::parse(self.name).map_err(|e| {
-            ErrorBuilder::new(WorkspaceErrorCode::AppNameInvalid)
-                .msg(e)
-                .build()
-        })?;
+        let name = AppName::parse(self.name)
+            .map_err(|e| ErrorBuilder::new(WsErrCode::AppNameInvalid).msg(e).build())?;
 
         let id = WorkspaceId::parse(self.workspace_id).map_err(|e| {
-            ErrorBuilder::new(WorkspaceErrorCode::WorkspaceIdInvalid)
+            ErrorBuilder::new(WsErrCode::WorkspaceIdInvalid)
                 .msg(e)
                 .build()
         })?;
 
         let color_style = AppColorStyle::parse(self.color_style).map_err(|e| {
-            ErrorBuilder::new(WorkspaceErrorCode::AppColorStyleInvalid)
+            ErrorBuilder::new(WsErrCode::AppColorStyleInvalid)
                 .msg(e)
                 .build()
         })?;
diff --git a/rust-lib/flowy-workspace/src/entities/app/app_query.rs b/rust-lib/flowy-workspace/src/entities/app/app_query.rs
index 317e3e25f9..f27e2ce72a 100644
--- a/rust-lib/flowy-workspace/src/entities/app/app_query.rs
+++ b/rust-lib/flowy-workspace/src/entities/app/app_query.rs
@@ -21,11 +21,7 @@ impl TryInto<QueryAppParams> for QueryAppRequest {
 
     fn try_into(self) -> Result<QueryAppParams, Self::Error> {
         let app_id = AppId::parse(self.app_id)
-            .map_err(|e| {
-                ErrorBuilder::new(WorkspaceErrorCode::AppIdInvalid)
-                    .msg(e)
-                    .build()
-            })?
+            .map_err(|e| ErrorBuilder::new(WsErrCode::AppIdInvalid).msg(e).build())?
             .0;
 
         Ok(QueryAppParams {
diff --git a/rust-lib/flowy-workspace/src/entities/app/app_update.rs b/rust-lib/flowy-workspace/src/entities/app/app_update.rs
index 6b84df2428..e1a92d0f95 100644
--- a/rust-lib/flowy-workspace/src/entities/app/app_update.rs
+++ b/rust-lib/flowy-workspace/src/entities/app/app_update.rs
@@ -6,7 +6,7 @@ use crate::{
         },
         workspace::parser::WorkspaceId,
     },
-    errors::{ErrorBuilder, WorkspaceError, WorkspaceErrorCode},
+    errors::{ErrorBuilder, WorkspaceError, WsErrCode},
 };
 use flowy_derive::ProtoBuf;
 use std::convert::TryInto;
@@ -42,11 +42,7 @@ impl TryInto<UpdateAppParams> for UpdateAppRequest {
 
     fn try_into(self) -> Result<UpdateAppParams, Self::Error> {
         let app_id = AppId::parse(self.app_id)
-            .map_err(|e| {
-                ErrorBuilder::new(WorkspaceErrorCode::AppIdInvalid)
-                    .msg(e)
-                    .build()
-            })?
+            .map_err(|e| ErrorBuilder::new(WsErrCode::AppIdInvalid).msg(e).build())?
             .0;
 
         let name = match self.name {
@@ -54,7 +50,7 @@ impl TryInto<UpdateAppParams> for UpdateAppRequest {
             Some(name) => Some(
                 AppName::parse(name)
                     .map_err(|e| {
-                        ErrorBuilder::new(WorkspaceErrorCode::WorkspaceNameInvalid)
+                        ErrorBuilder::new(WsErrCode::WorkspaceNameInvalid)
                             .msg(e)
                             .build()
                     })?
@@ -67,7 +63,7 @@ impl TryInto<UpdateAppParams> for UpdateAppRequest {
             Some(wid) => Some(
                 WorkspaceId::parse(wid)
                     .map_err(|e| {
-                        ErrorBuilder::new(WorkspaceErrorCode::WorkspaceIdInvalid)
+                        ErrorBuilder::new(WsErrCode::WorkspaceIdInvalid)
                             .msg(e)
                             .build()
                     })?
@@ -80,7 +76,7 @@ impl TryInto<UpdateAppParams> for UpdateAppRequest {
             Some(color_style) => Some(
                 AppColorStyle::parse(color_style)
                     .map_err(|e| {
-                        ErrorBuilder::new(WorkspaceErrorCode::AppColorStyleInvalid)
+                        ErrorBuilder::new(WsErrCode::AppColorStyleInvalid)
                             .msg(e)
                             .build()
                     })?
diff --git a/rust-lib/flowy-workspace/src/entities/view/view_create.rs b/rust-lib/flowy-workspace/src/entities/view/view_create.rs
index a52d713e67..317ad23397 100644
--- a/rust-lib/flowy-workspace/src/entities/view/view_create.rs
+++ b/rust-lib/flowy-workspace/src/entities/view/view_create.rs
@@ -1,6 +1,6 @@
 use crate::{
     entities::{app::parser::AppId, view::parser::*},
-    errors::{ErrorBuilder, WorkspaceError, WorkspaceErrorCode},
+    errors::{ErrorBuilder, WorkspaceError, WsErrCode},
     impl_def_and_def_mut,
     sql_tables::view::ViewTableType,
 };
@@ -48,19 +48,11 @@ impl TryInto<CreateViewParams> for CreateViewRequest {
 
     fn try_into(self) -> Result<CreateViewParams, Self::Error> {
         let name = ViewName::parse(self.name)
-            .map_err(|e| {
-                ErrorBuilder::new(WorkspaceErrorCode::ViewNameInvalid)
-                    .msg(e)
-                    .build()
-            })?
+            .map_err(|e| ErrorBuilder::new(WsErrCode::ViewNameInvalid).msg(e).build())?
             .0;
 
         let app_id = AppId::parse(self.app_id)
-            .map_err(|e| {
-                ErrorBuilder::new(WorkspaceErrorCode::AppIdInvalid)
-                    .msg(e)
-                    .build()
-            })?
+            .map_err(|e| ErrorBuilder::new(WsErrCode::AppIdInvalid).msg(e).build())?
             .0;
 
         let thumbnail = match self.thumbnail {
@@ -68,7 +60,7 @@ impl TryInto<CreateViewParams> for CreateViewRequest {
             Some(thumbnail) => {
                 ViewThumbnail::parse(thumbnail)
                     .map_err(|e| {
-                        ErrorBuilder::new(WorkspaceErrorCode::ViewThumbnailInvalid)
+                        ErrorBuilder::new(WsErrCode::ViewThumbnailInvalid)
                             .msg(e)
                             .build()
                     })?
diff --git a/rust-lib/flowy-workspace/src/entities/view/view_query.rs b/rust-lib/flowy-workspace/src/entities/view/view_query.rs
index 0e99b53e72..d989ab992e 100644
--- a/rust-lib/flowy-workspace/src/entities/view/view_query.rs
+++ b/rust-lib/flowy-workspace/src/entities/view/view_query.rs
@@ -1,6 +1,6 @@
 use crate::{
     entities::view::parser::ViewId,
-    errors::{ErrorBuilder, WorkspaceError, WorkspaceErrorCode},
+    errors::{ErrorBuilder, WorkspaceError, WsErrCode},
 };
 use flowy_derive::ProtoBuf;
 use std::convert::TryInto;
@@ -20,11 +20,7 @@ impl TryInto<QueryViewParams> for QueryViewRequest {
 
     fn try_into(self) -> Result<QueryViewParams, Self::Error> {
         let view_id = ViewId::parse(self.view_id)
-            .map_err(|e| {
-                ErrorBuilder::new(WorkspaceErrorCode::ViewIdInvalid)
-                    .msg(e)
-                    .build()
-            })?
+            .map_err(|e| ErrorBuilder::new(WsErrCode::ViewIdInvalid).msg(e).build())?
             .0;
 
         Ok(QueryViewParams { view_id })
diff --git a/rust-lib/flowy-workspace/src/entities/view/view_update.rs b/rust-lib/flowy-workspace/src/entities/view/view_update.rs
index 07719f83bc..bc83501d67 100644
--- a/rust-lib/flowy-workspace/src/entities/view/view_update.rs
+++ b/rust-lib/flowy-workspace/src/entities/view/view_update.rs
@@ -1,6 +1,6 @@
 use crate::{
     entities::view::parser::{ViewId, *},
-    errors::{ErrorBuilder, WorkspaceError, WorkspaceErrorCode},
+    errors::{ErrorBuilder, WorkspaceError, WsErrCode},
 };
 use flowy_derive::ProtoBuf;
 use std::convert::TryInto;
@@ -32,22 +32,14 @@ impl TryInto<UpdateViewParams> for UpdateViewRequest {
 
     fn try_into(self) -> Result<UpdateViewParams, Self::Error> {
         let view_id = ViewId::parse(self.view_id)
-            .map_err(|e| {
-                ErrorBuilder::new(WorkspaceErrorCode::ViewIdInvalid)
-                    .msg(e)
-                    .build()
-            })?
+            .map_err(|e| ErrorBuilder::new(WsErrCode::ViewIdInvalid).msg(e).build())?
             .0;
 
         let name = match self.name {
             None => None,
             Some(name) => Some(
                 ViewName::parse(name)
-                    .map_err(|e| {
-                        ErrorBuilder::new(WorkspaceErrorCode::ViewNameInvalid)
-                            .msg(e)
-                            .build()
-                    })?
+                    .map_err(|e| ErrorBuilder::new(WsErrCode::ViewNameInvalid).msg(e).build())?
                     .0,
             ),
         };
@@ -56,11 +48,7 @@ impl TryInto<UpdateViewParams> for UpdateViewRequest {
             None => None,
             Some(desc) => Some(
                 ViewDesc::parse(desc)
-                    .map_err(|e| {
-                        ErrorBuilder::new(WorkspaceErrorCode::ViewDescInvalid)
-                            .msg(e)
-                            .build()
-                    })?
+                    .map_err(|e| ErrorBuilder::new(WsErrCode::ViewDescInvalid).msg(e).build())?
                     .0,
             ),
         };
@@ -70,7 +58,7 @@ impl TryInto<UpdateViewParams> for UpdateViewRequest {
             Some(thumbnail) => Some(
                 ViewThumbnail::parse(thumbnail)
                     .map_err(|e| {
-                        ErrorBuilder::new(WorkspaceErrorCode::ViewThumbnailInvalid)
+                        ErrorBuilder::new(WsErrCode::ViewThumbnailInvalid)
                             .msg(e)
                             .build()
                     })?
diff --git a/rust-lib/flowy-workspace/src/entities/workspace/workspace_create.rs b/rust-lib/flowy-workspace/src/entities/workspace/workspace_create.rs
index b20240754d..f14fdec400 100644
--- a/rust-lib/flowy-workspace/src/entities/workspace/workspace_create.rs
+++ b/rust-lib/flowy-workspace/src/entities/workspace/workspace_create.rs
@@ -1,8 +1,5 @@
 use crate::{
-    entities::{
-        app::{App, RepeatedApp},
-        workspace::parser::*,
-    },
+    entities::{app::RepeatedApp, workspace::parser::*},
     errors::*,
 };
 use flowy_derive::ProtoBuf;
@@ -27,7 +24,7 @@ impl TryInto<CreateWorkspaceParams> for CreateWorkspaceRequest {
 
     fn try_into(self) -> Result<CreateWorkspaceParams, Self::Error> {
         let name = WorkspaceName::parse(self.name).map_err(|e| {
-            ErrorBuilder::new(WorkspaceErrorCode::WorkspaceNameInvalid)
+            ErrorBuilder::new(WsErrCode::WorkspaceNameInvalid)
                 .msg(e)
                 .build()
         })?;
diff --git a/rust-lib/flowy-workspace/src/entities/workspace/workspace_query.rs b/rust-lib/flowy-workspace/src/entities/workspace/workspace_query.rs
index f801713ab5..746abea167 100644
--- a/rust-lib/flowy-workspace/src/entities/workspace/workspace_query.rs
+++ b/rust-lib/flowy-workspace/src/entities/workspace/workspace_query.rs
@@ -22,7 +22,7 @@ impl TryInto<QueryWorkspaceParams> for QueryWorkspaceRequest {
     fn try_into(self) -> Result<QueryWorkspaceParams, Self::Error> {
         let workspace_id = WorkspaceId::parse(self.workspace_id)
             .map_err(|e| {
-                ErrorBuilder::new(WorkspaceErrorCode::WorkspaceIdInvalid)
+                ErrorBuilder::new(WsErrCode::WorkspaceIdInvalid)
                     .msg(e)
                     .build()
             })?
diff --git a/rust-lib/flowy-workspace/src/entities/workspace/workspace_update.rs b/rust-lib/flowy-workspace/src/entities/workspace/workspace_update.rs
index 3352e69890..f2297156ba 100644
--- a/rust-lib/flowy-workspace/src/entities/workspace/workspace_update.rs
+++ b/rust-lib/flowy-workspace/src/entities/workspace/workspace_update.rs
@@ -31,7 +31,7 @@ impl TryInto<UpdateWorkspaceParams> for UpdateWorkspaceRequest {
             Some(name) => Some(
                 WorkspaceName::parse(name)
                     .map_err(|e| {
-                        ErrorBuilder::new(WorkspaceErrorCode::WorkspaceNameInvalid)
+                        ErrorBuilder::new(WsErrCode::WorkspaceNameInvalid)
                             .msg(e)
                             .build()
                     })?
@@ -40,7 +40,7 @@ impl TryInto<UpdateWorkspaceParams> for UpdateWorkspaceRequest {
         };
 
         let id = WorkspaceId::parse(self.id).map_err(|e| {
-            ErrorBuilder::new(WorkspaceErrorCode::WorkspaceIdInvalid)
+            ErrorBuilder::new(WsErrCode::WorkspaceIdInvalid)
                 .msg(e)
                 .build()
         })?;
diff --git a/rust-lib/flowy-workspace/src/errors.rs b/rust-lib/flowy-workspace/src/errors.rs
index c97ce14c53..de1f22222a 100644
--- a/rust-lib/flowy-workspace/src/errors.rs
+++ b/rust-lib/flowy-workspace/src/errors.rs
@@ -6,14 +6,14 @@ use std::convert::TryInto;
 #[derive(Debug, Default, Clone, ProtoBuf)]
 pub struct WorkspaceError {
     #[pb(index = 1)]
-    pub code: WorkspaceErrorCode,
+    pub code: WsErrCode,
 
     #[pb(index = 2)]
     pub msg: String,
 }
 
 impl WorkspaceError {
-    pub fn new(code: WorkspaceErrorCode, msg: &str) -> Self {
+    pub fn new(code: WsErrCode, msg: &str) -> Self {
         Self {
             code,
             msg: msg.to_owned(),
@@ -22,7 +22,7 @@ impl WorkspaceError {
 }
 
 #[derive(Debug, Clone, ProtoBuf_Enum, Display, PartialEq, Eq)]
-pub enum WorkspaceErrorCode {
+pub enum WsErrCode {
     #[display(fmt = "Unknown")]
     Unknown              = 0,
 
@@ -66,13 +66,13 @@ pub enum WorkspaceErrorCode {
     UserNotLoginYet      = 103,
 }
 
-impl std::default::Default for WorkspaceErrorCode {
-    fn default() -> Self { WorkspaceErrorCode::Unknown }
+impl std::default::Default for WsErrCode {
+    fn default() -> Self { WsErrCode::Unknown }
 }
 
 impl std::convert::From<flowy_database::result::Error> for WorkspaceError {
     fn from(error: flowy_database::result::Error) -> Self {
-        ErrorBuilder::new(WorkspaceErrorCode::WorkspaceDatabaseError)
+        ErrorBuilder::new(WsErrCode::WorkspaceDatabaseError)
             .error(error)
             .build()
     }
@@ -86,12 +86,12 @@ impl flowy_dispatch::Error for WorkspaceError {
 }
 
 pub struct ErrorBuilder {
-    pub code: WorkspaceErrorCode,
+    pub code: WsErrCode,
     pub msg: Option<String>,
 }
 
 impl ErrorBuilder {
-    pub fn new(code: WorkspaceErrorCode) -> Self { ErrorBuilder { code, msg: None } }
+    pub fn new(code: WsErrCode) -> Self { ErrorBuilder { code, msg: None } }
 
     pub fn msg<T>(mut self, msg: T) -> Self
     where
diff --git a/rust-lib/flowy-workspace/src/lib.rs b/rust-lib/flowy-workspace/src/lib.rs
index c24d413009..28d5a7f5e4 100644
--- a/rust-lib/flowy-workspace/src/lib.rs
+++ b/rust-lib/flowy-workspace/src/lib.rs
@@ -14,8 +14,8 @@ mod services;
 #[macro_use]
 extern crate flowy_database;
 
-#[macro_use]
-extern crate flowy_dispatch;
+// #[macro_use]
+// extern crate flowy_dispatch;
 
 pub mod prelude {
     pub use crate::{errors::*, module::*, services::*};
diff --git a/rust-lib/flowy-workspace/src/observable/mod.rs b/rust-lib/flowy-workspace/src/observable/mod.rs
index 66a2058d79..73171fda02 100644
--- a/rust-lib/flowy-workspace/src/observable/mod.rs
+++ b/rust-lib/flowy-workspace/src/observable/mod.rs
@@ -1,3 +1,3 @@
 mod observable;
 
-pub use observable::*;
+pub(crate) use observable::*;
diff --git a/rust-lib/flowy-workspace/src/observable/observable.rs b/rust-lib/flowy-workspace/src/observable/observable.rs
index 0533de73c8..f4d9921190 100644
--- a/rust-lib/flowy-workspace/src/observable/observable.rs
+++ b/rust-lib/flowy-workspace/src/observable/observable.rs
@@ -35,6 +35,7 @@ impl ObservableSender {
         }
     }
 
+    #[allow(dead_code)]
     pub(crate) fn payload<T>(mut self, payload: T) -> Self
     where
         T: ToBytes,
@@ -68,6 +69,7 @@ pub(crate) fn send_observable(id: &str, ty: WorkspaceObservable) {
     ObservableSender::new(id, ty).send();
 }
 
+#[allow(dead_code)]
 pub(crate) fn send_observable_with_payload<T>(id: &str, ty: WorkspaceObservable, payload: T)
 where
     T: ToBytes,
diff --git a/rust-lib/flowy-workspace/src/protobuf/model/errors.rs b/rust-lib/flowy-workspace/src/protobuf/model/errors.rs
index aa3aa6a631..08f479a5ff 100644
--- a/rust-lib/flowy-workspace/src/protobuf/model/errors.rs
+++ b/rust-lib/flowy-workspace/src/protobuf/model/errors.rs
@@ -26,7 +26,7 @@
 #[derive(PartialEq,Clone,Default)]
 pub struct WorkspaceError {
     // message fields
-    pub code: WorkspaceErrorCode,
+    pub code: WsErrCode,
     pub msg: ::std::string::String,
     // special fields
     pub unknown_fields: ::protobuf::UnknownFields,
@@ -44,18 +44,18 @@ impl WorkspaceError {
         ::std::default::Default::default()
     }
 
-    // .WorkspaceErrorCode code = 1;
+    // .WsErrCode code = 1;
 
 
-    pub fn get_code(&self) -> WorkspaceErrorCode {
+    pub fn get_code(&self) -> WsErrCode {
         self.code
     }
     pub fn clear_code(&mut self) {
-        self.code = WorkspaceErrorCode::Unknown;
+        self.code = WsErrCode::Unknown;
     }
 
     // Param is passed by value, moved
-    pub fn set_code(&mut self, v: WorkspaceErrorCode) {
+    pub fn set_code(&mut self, v: WsErrCode) {
         self.code = v;
     }
 
@@ -113,7 +113,7 @@ impl ::protobuf::Message for WorkspaceError {
     #[allow(unused_variables)]
     fn compute_size(&self) -> u32 {
         let mut my_size = 0;
-        if self.code != WorkspaceErrorCode::Unknown {
+        if self.code != WsErrCode::Unknown {
             my_size += ::protobuf::rt::enum_size(1, self.code);
         }
         if !self.msg.is_empty() {
@@ -125,7 +125,7 @@ impl ::protobuf::Message for WorkspaceError {
     }
 
     fn write_to_with_cached_sizes(&self, os: &mut ::protobuf::CodedOutputStream<'_>) -> ::protobuf::ProtobufResult<()> {
-        if self.code != WorkspaceErrorCode::Unknown {
+        if self.code != WsErrCode::Unknown {
             os.write_enum(1, ::protobuf::ProtobufEnum::value(&self.code))?;
         }
         if !self.msg.is_empty() {
@@ -169,7 +169,7 @@ impl ::protobuf::Message for WorkspaceError {
         static descriptor: ::protobuf::rt::LazyV2<::protobuf::reflect::MessageDescriptor> = ::protobuf::rt::LazyV2::INIT;
         descriptor.get(|| {
             let mut fields = ::std::vec::Vec::new();
-            fields.push(::protobuf::reflect::accessor::make_simple_field_accessor::<_, ::protobuf::types::ProtobufTypeEnum<WorkspaceErrorCode>>(
+            fields.push(::protobuf::reflect::accessor::make_simple_field_accessor::<_, ::protobuf::types::ProtobufTypeEnum<WsErrCode>>(
                 "code",
                 |m: &WorkspaceError| { &m.code },
                 |m: &mut WorkspaceError| { &mut m.code },
@@ -195,7 +195,7 @@ impl ::protobuf::Message for WorkspaceError {
 
 impl ::protobuf::Clear for WorkspaceError {
     fn clear(&mut self) {
-        self.code = WorkspaceErrorCode::Unknown;
+        self.code = WsErrCode::Unknown;
         self.msg.clear();
         self.unknown_fields.clear();
     }
@@ -214,7 +214,7 @@ impl ::protobuf::reflect::ProtobufValue for WorkspaceError {
 }
 
 #[derive(Clone,PartialEq,Eq,Debug,Hash)]
-pub enum WorkspaceErrorCode {
+pub enum WsErrCode {
     Unknown = 0,
     WorkspaceNameInvalid = 1,
     WorkspaceIdInvalid = 2,
@@ -231,47 +231,47 @@ pub enum WorkspaceErrorCode {
     UserNotLoginYet = 103,
 }
 
-impl ::protobuf::ProtobufEnum for WorkspaceErrorCode {
+impl ::protobuf::ProtobufEnum for WsErrCode {
     fn value(&self) -> i32 {
         *self as i32
     }
 
-    fn from_i32(value: i32) -> ::std::option::Option<WorkspaceErrorCode> {
+    fn from_i32(value: i32) -> ::std::option::Option<WsErrCode> {
         match value {
-            0 => ::std::option::Option::Some(WorkspaceErrorCode::Unknown),
-            1 => ::std::option::Option::Some(WorkspaceErrorCode::WorkspaceNameInvalid),
-            2 => ::std::option::Option::Some(WorkspaceErrorCode::WorkspaceIdInvalid),
-            3 => ::std::option::Option::Some(WorkspaceErrorCode::AppColorStyleInvalid),
-            10 => ::std::option::Option::Some(WorkspaceErrorCode::AppIdInvalid),
-            11 => ::std::option::Option::Some(WorkspaceErrorCode::AppNameInvalid),
-            20 => ::std::option::Option::Some(WorkspaceErrorCode::ViewNameInvalid),
-            21 => ::std::option::Option::Some(WorkspaceErrorCode::ViewThumbnailInvalid),
-            22 => ::std::option::Option::Some(WorkspaceErrorCode::ViewIdInvalid),
-            23 => ::std::option::Option::Some(WorkspaceErrorCode::ViewDescInvalid),
-            100 => ::std::option::Option::Some(WorkspaceErrorCode::DatabaseConnectionFail),
-            101 => ::std::option::Option::Some(WorkspaceErrorCode::WorkspaceDatabaseError),
-            102 => ::std::option::Option::Some(WorkspaceErrorCode::UserInternalError),
-            103 => ::std::option::Option::Some(WorkspaceErrorCode::UserNotLoginYet),
+            0 => ::std::option::Option::Some(WsErrCode::Unknown),
+            1 => ::std::option::Option::Some(WsErrCode::WorkspaceNameInvalid),
+            2 => ::std::option::Option::Some(WsErrCode::WorkspaceIdInvalid),
+            3 => ::std::option::Option::Some(WsErrCode::AppColorStyleInvalid),
+            10 => ::std::option::Option::Some(WsErrCode::AppIdInvalid),
+            11 => ::std::option::Option::Some(WsErrCode::AppNameInvalid),
+            20 => ::std::option::Option::Some(WsErrCode::ViewNameInvalid),
+            21 => ::std::option::Option::Some(WsErrCode::ViewThumbnailInvalid),
+            22 => ::std::option::Option::Some(WsErrCode::ViewIdInvalid),
+            23 => ::std::option::Option::Some(WsErrCode::ViewDescInvalid),
+            100 => ::std::option::Option::Some(WsErrCode::DatabaseConnectionFail),
+            101 => ::std::option::Option::Some(WsErrCode::WorkspaceDatabaseError),
+            102 => ::std::option::Option::Some(WsErrCode::UserInternalError),
+            103 => ::std::option::Option::Some(WsErrCode::UserNotLoginYet),
             _ => ::std::option::Option::None
         }
     }
 
     fn values() -> &'static [Self] {
-        static values: &'static [WorkspaceErrorCode] = &[
-            WorkspaceErrorCode::Unknown,
-            WorkspaceErrorCode::WorkspaceNameInvalid,
-            WorkspaceErrorCode::WorkspaceIdInvalid,
-            WorkspaceErrorCode::AppColorStyleInvalid,
-            WorkspaceErrorCode::AppIdInvalid,
-            WorkspaceErrorCode::AppNameInvalid,
-            WorkspaceErrorCode::ViewNameInvalid,
-            WorkspaceErrorCode::ViewThumbnailInvalid,
-            WorkspaceErrorCode::ViewIdInvalid,
-            WorkspaceErrorCode::ViewDescInvalid,
-            WorkspaceErrorCode::DatabaseConnectionFail,
-            WorkspaceErrorCode::WorkspaceDatabaseError,
-            WorkspaceErrorCode::UserInternalError,
-            WorkspaceErrorCode::UserNotLoginYet,
+        static values: &'static [WsErrCode] = &[
+            WsErrCode::Unknown,
+            WsErrCode::WorkspaceNameInvalid,
+            WsErrCode::WorkspaceIdInvalid,
+            WsErrCode::AppColorStyleInvalid,
+            WsErrCode::AppIdInvalid,
+            WsErrCode::AppNameInvalid,
+            WsErrCode::ViewNameInvalid,
+            WsErrCode::ViewThumbnailInvalid,
+            WsErrCode::ViewIdInvalid,
+            WsErrCode::ViewDescInvalid,
+            WsErrCode::DatabaseConnectionFail,
+            WsErrCode::WorkspaceDatabaseError,
+            WsErrCode::UserInternalError,
+            WsErrCode::UserNotLoginYet,
         ];
         values
     }
@@ -279,74 +279,74 @@ impl ::protobuf::ProtobufEnum for WorkspaceErrorCode {
     fn enum_descriptor_static() -> &'static ::protobuf::reflect::EnumDescriptor {
         static descriptor: ::protobuf::rt::LazyV2<::protobuf::reflect::EnumDescriptor> = ::protobuf::rt::LazyV2::INIT;
         descriptor.get(|| {
-            ::protobuf::reflect::EnumDescriptor::new_pb_name::<WorkspaceErrorCode>("WorkspaceErrorCode", file_descriptor_proto())
+            ::protobuf::reflect::EnumDescriptor::new_pb_name::<WsErrCode>("WsErrCode", file_descriptor_proto())
         })
     }
 }
 
-impl ::std::marker::Copy for WorkspaceErrorCode {
+impl ::std::marker::Copy for WsErrCode {
 }
 
-impl ::std::default::Default for WorkspaceErrorCode {
+impl ::std::default::Default for WsErrCode {
     fn default() -> Self {
-        WorkspaceErrorCode::Unknown
+        WsErrCode::Unknown
     }
 }
 
-impl ::protobuf::reflect::ProtobufValue for WorkspaceErrorCode {
+impl ::protobuf::reflect::ProtobufValue for WsErrCode {
     fn as_ref(&self) -> ::protobuf::reflect::ReflectValueRef {
         ::protobuf::reflect::ReflectValueRef::Enum(::protobuf::ProtobufEnum::descriptor(self))
     }
 }
 
 static file_descriptor_proto_data: &'static [u8] = b"\
-    \n\x0cerrors.proto\"K\n\x0eWorkspaceError\x12'\n\x04code\x18\x01\x20\x01\
-    (\x0e2\x13.WorkspaceErrorCodeR\x04code\x12\x10\n\x03msg\x18\x02\x20\x01(\
-    \tR\x03msg*\xce\x02\n\x12WorkspaceErrorCode\x12\x0b\n\x07Unknown\x10\0\
-    \x12\x18\n\x14WorkspaceNameInvalid\x10\x01\x12\x16\n\x12WorkspaceIdInval\
-    id\x10\x02\x12\x18\n\x14AppColorStyleInvalid\x10\x03\x12\x10\n\x0cAppIdI\
-    nvalid\x10\n\x12\x12\n\x0eAppNameInvalid\x10\x0b\x12\x13\n\x0fViewNameIn\
-    valid\x10\x14\x12\x18\n\x14ViewThumbnailInvalid\x10\x15\x12\x11\n\rViewI\
-    dInvalid\x10\x16\x12\x13\n\x0fViewDescInvalid\x10\x17\x12\x1a\n\x16Datab\
-    aseConnectionFail\x10d\x12\x1a\n\x16WorkspaceDatabaseError\x10e\x12\x15\
-    \n\x11UserInternalError\x10f\x12\x13\n\x0fUserNotLoginYet\x10gJ\xee\x05\
-    \n\x06\x12\x04\0\0\x15\x01\n\x08\n\x01\x0c\x12\x03\0\0\x12\n\n\n\x02\x04\
-    \0\x12\x04\x02\0\x05\x01\n\n\n\x03\x04\0\x01\x12\x03\x02\x08\x16\n\x0b\n\
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-    \x03\x04\x11\x12\n\n\n\x02\x05\0\x12\x04\x06\0\x15\x01\n\n\n\x03\x05\0\
-    \x01\x12\x03\x06\x05\x17\n\x0b\n\x04\x05\0\x02\0\x12\x03\x07\x04\x10\n\
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-    \n\x0c\n\x05\x05\0\x02\x02\x01\x12\x03\t\x04\x16\n\x0c\n\x05\x05\0\x02\
-    \x02\x02\x12\x03\t\x19\x1a\n\x0b\n\x04\x05\0\x02\x03\x12\x03\n\x04\x1d\n\
-    \x0c\n\x05\x05\0\x02\x03\x01\x12\x03\n\x04\x18\n\x0c\n\x05\x05\0\x02\x03\
-    \x02\x12\x03\n\x1b\x1c\n\x0b\n\x04\x05\0\x02\x04\x12\x03\x0b\x04\x16\n\
-    \x0c\n\x05\x05\0\x02\x04\x01\x12\x03\x0b\x04\x10\n\x0c\n\x05\x05\0\x02\
-    \x04\x02\x12\x03\x0b\x13\x15\n\x0b\n\x04\x05\0\x02\x05\x12\x03\x0c\x04\
-    \x18\n\x0c\n\x05\x05\0\x02\x05\x01\x12\x03\x0c\x04\x12\n\x0c\n\x05\x05\0\
-    \x02\x05\x02\x12\x03\x0c\x15\x17\n\x0b\n\x04\x05\0\x02\x06\x12\x03\r\x04\
-    \x19\n\x0c\n\x05\x05\0\x02\x06\x01\x12\x03\r\x04\x13\n\x0c\n\x05\x05\0\
-    \x02\x06\x02\x12\x03\r\x16\x18\n\x0b\n\x04\x05\0\x02\x07\x12\x03\x0e\x04\
-    \x1e\n\x0c\n\x05\x05\0\x02\x07\x01\x12\x03\x0e\x04\x18\n\x0c\n\x05\x05\0\
-    \x02\x07\x02\x12\x03\x0e\x1b\x1d\n\x0b\n\x04\x05\0\x02\x08\x12\x03\x0f\
-    \x04\x17\n\x0c\n\x05\x05\0\x02\x08\x01\x12\x03\x0f\x04\x11\n\x0c\n\x05\
-    \x05\0\x02\x08\x02\x12\x03\x0f\x14\x16\n\x0b\n\x04\x05\0\x02\t\x12\x03\
-    \x10\x04\x19\n\x0c\n\x05\x05\0\x02\t\x01\x12\x03\x10\x04\x13\n\x0c\n\x05\
-    \x05\0\x02\t\x02\x12\x03\x10\x16\x18\n\x0b\n\x04\x05\0\x02\n\x12\x03\x11\
-    \x04!\n\x0c\n\x05\x05\0\x02\n\x01\x12\x03\x11\x04\x1a\n\x0c\n\x05\x05\0\
-    \x02\n\x02\x12\x03\x11\x1d\x20\n\x0b\n\x04\x05\0\x02\x0b\x12\x03\x12\x04\
-    !\n\x0c\n\x05\x05\0\x02\x0b\x01\x12\x03\x12\x04\x1a\n\x0c\n\x05\x05\0\
-    \x02\x0b\x02\x12\x03\x12\x1d\x20\n\x0b\n\x04\x05\0\x02\x0c\x12\x03\x13\
-    \x04\x1c\n\x0c\n\x05\x05\0\x02\x0c\x01\x12\x03\x13\x04\x15\n\x0c\n\x05\
-    \x05\0\x02\x0c\x02\x12\x03\x13\x18\x1b\n\x0b\n\x04\x05\0\x02\r\x12\x03\
-    \x14\x04\x1a\n\x0c\n\x05\x05\0\x02\r\x01\x12\x03\x14\x04\x13\n\x0c\n\x05\
-    \x05\0\x02\r\x02\x12\x03\x14\x16\x19b\x06proto3\
+    \n\x0cerrors.proto\"B\n\x0eWorkspaceError\x12\x1e\n\x04code\x18\x01\x20\
+    \x01(\x0e2\n.WsErrCodeR\x04code\x12\x10\n\x03msg\x18\x02\x20\x01(\tR\x03\
+    msg*\xc5\x02\n\tWsErrCode\x12\x0b\n\x07Unknown\x10\0\x12\x18\n\x14Worksp\
+    aceNameInvalid\x10\x01\x12\x16\n\x12WorkspaceIdInvalid\x10\x02\x12\x18\n\
+    \x14AppColorStyleInvalid\x10\x03\x12\x10\n\x0cAppIdInvalid\x10\n\x12\x12\
+    \n\x0eAppNameInvalid\x10\x0b\x12\x13\n\x0fViewNameInvalid\x10\x14\x12\
+    \x18\n\x14ViewThumbnailInvalid\x10\x15\x12\x11\n\rViewIdInvalid\x10\x16\
+    \x12\x13\n\x0fViewDescInvalid\x10\x17\x12\x1a\n\x16DatabaseConnectionFai\
+    l\x10d\x12\x1a\n\x16WorkspaceDatabaseError\x10e\x12\x15\n\x11UserInterna\
+    lError\x10f\x12\x13\n\x0fUserNotLoginYet\x10gJ\xee\x05\n\x06\x12\x04\0\0\
+    \x15\x01\n\x08\n\x01\x0c\x12\x03\0\0\x12\n\n\n\x02\x04\0\x12\x04\x02\0\
+    \x05\x01\n\n\n\x03\x04\0\x01\x12\x03\x02\x08\x16\n\x0b\n\x04\x04\0\x02\0\
+    \x12\x03\x03\x04\x17\n\x0c\n\x05\x04\0\x02\0\x06\x12\x03\x03\x04\r\n\x0c\
+    \n\x05\x04\0\x02\0\x01\x12\x03\x03\x0e\x12\n\x0c\n\x05\x04\0\x02\0\x03\
+    \x12\x03\x03\x15\x16\n\x0b\n\x04\x04\0\x02\x01\x12\x03\x04\x04\x13\n\x0c\
+    \n\x05\x04\0\x02\x01\x05\x12\x03\x04\x04\n\n\x0c\n\x05\x04\0\x02\x01\x01\
+    \x12\x03\x04\x0b\x0e\n\x0c\n\x05\x04\0\x02\x01\x03\x12\x03\x04\x11\x12\n\
+    \n\n\x02\x05\0\x12\x04\x06\0\x15\x01\n\n\n\x03\x05\0\x01\x12\x03\x06\x05\
+    \x0e\n\x0b\n\x04\x05\0\x02\0\x12\x03\x07\x04\x10\n\x0c\n\x05\x05\0\x02\0\
+    \x01\x12\x03\x07\x04\x0b\n\x0c\n\x05\x05\0\x02\0\x02\x12\x03\x07\x0e\x0f\
+    \n\x0b\n\x04\x05\0\x02\x01\x12\x03\x08\x04\x1d\n\x0c\n\x05\x05\0\x02\x01\
+    \x01\x12\x03\x08\x04\x18\n\x0c\n\x05\x05\0\x02\x01\x02\x12\x03\x08\x1b\
+    \x1c\n\x0b\n\x04\x05\0\x02\x02\x12\x03\t\x04\x1b\n\x0c\n\x05\x05\0\x02\
+    \x02\x01\x12\x03\t\x04\x16\n\x0c\n\x05\x05\0\x02\x02\x02\x12\x03\t\x19\
+    \x1a\n\x0b\n\x04\x05\0\x02\x03\x12\x03\n\x04\x1d\n\x0c\n\x05\x05\0\x02\
+    \x03\x01\x12\x03\n\x04\x18\n\x0c\n\x05\x05\0\x02\x03\x02\x12\x03\n\x1b\
+    \x1c\n\x0b\n\x04\x05\0\x02\x04\x12\x03\x0b\x04\x16\n\x0c\n\x05\x05\0\x02\
+    \x04\x01\x12\x03\x0b\x04\x10\n\x0c\n\x05\x05\0\x02\x04\x02\x12\x03\x0b\
+    \x13\x15\n\x0b\n\x04\x05\0\x02\x05\x12\x03\x0c\x04\x18\n\x0c\n\x05\x05\0\
+    \x02\x05\x01\x12\x03\x0c\x04\x12\n\x0c\n\x05\x05\0\x02\x05\x02\x12\x03\
+    \x0c\x15\x17\n\x0b\n\x04\x05\0\x02\x06\x12\x03\r\x04\x19\n\x0c\n\x05\x05\
+    \0\x02\x06\x01\x12\x03\r\x04\x13\n\x0c\n\x05\x05\0\x02\x06\x02\x12\x03\r\
+    \x16\x18\n\x0b\n\x04\x05\0\x02\x07\x12\x03\x0e\x04\x1e\n\x0c\n\x05\x05\0\
+    \x02\x07\x01\x12\x03\x0e\x04\x18\n\x0c\n\x05\x05\0\x02\x07\x02\x12\x03\
+    \x0e\x1b\x1d\n\x0b\n\x04\x05\0\x02\x08\x12\x03\x0f\x04\x17\n\x0c\n\x05\
+    \x05\0\x02\x08\x01\x12\x03\x0f\x04\x11\n\x0c\n\x05\x05\0\x02\x08\x02\x12\
+    \x03\x0f\x14\x16\n\x0b\n\x04\x05\0\x02\t\x12\x03\x10\x04\x19\n\x0c\n\x05\
+    \x05\0\x02\t\x01\x12\x03\x10\x04\x13\n\x0c\n\x05\x05\0\x02\t\x02\x12\x03\
+    \x10\x16\x18\n\x0b\n\x04\x05\0\x02\n\x12\x03\x11\x04!\n\x0c\n\x05\x05\0\
+    \x02\n\x01\x12\x03\x11\x04\x1a\n\x0c\n\x05\x05\0\x02\n\x02\x12\x03\x11\
+    \x1d\x20\n\x0b\n\x04\x05\0\x02\x0b\x12\x03\x12\x04!\n\x0c\n\x05\x05\0\
+    \x02\x0b\x01\x12\x03\x12\x04\x1a\n\x0c\n\x05\x05\0\x02\x0b\x02\x12\x03\
+    \x12\x1d\x20\n\x0b\n\x04\x05\0\x02\x0c\x12\x03\x13\x04\x1c\n\x0c\n\x05\
+    \x05\0\x02\x0c\x01\x12\x03\x13\x04\x15\n\x0c\n\x05\x05\0\x02\x0c\x02\x12\
+    \x03\x13\x18\x1b\n\x0b\n\x04\x05\0\x02\r\x12\x03\x14\x04\x1a\n\x0c\n\x05\
+    \x05\0\x02\r\x01\x12\x03\x14\x04\x13\n\x0c\n\x05\x05\0\x02\r\x02\x12\x03\
+    \x14\x16\x19b\x06proto3\
 ";
 
 static file_descriptor_proto_lazy: ::protobuf::rt::LazyV2<::protobuf::descriptor::FileDescriptorProto> = ::protobuf::rt::LazyV2::INIT;
diff --git a/rust-lib/flowy-workspace/src/protobuf/proto/errors.proto b/rust-lib/flowy-workspace/src/protobuf/proto/errors.proto
index 1103916f3b..d98904a72b 100644
--- a/rust-lib/flowy-workspace/src/protobuf/proto/errors.proto
+++ b/rust-lib/flowy-workspace/src/protobuf/proto/errors.proto
@@ -1,10 +1,10 @@
 syntax = "proto3";
 
 message WorkspaceError {
-    WorkspaceErrorCode code = 1;
+    WsErrCode code = 1;
     string msg = 2;
 }
-enum WorkspaceErrorCode {
+enum WsErrCode {
     Unknown = 0;
     WorkspaceNameInvalid = 1;
     WorkspaceIdInvalid = 2;
diff --git a/rust-lib/flowy-workspace/src/services/workspace_controller.rs b/rust-lib/flowy-workspace/src/services/workspace_controller.rs
index d98a9dfec7..a387b3cde3 100644
--- a/rust-lib/flowy-workspace/src/services/workspace_controller.rs
+++ b/rust-lib/flowy-workspace/src/services/workspace_controller.rs
@@ -48,7 +48,7 @@ impl WorkspaceController {
         Ok(())
     }
 
-    pub fn delete_workspace(&self, workspace_id: &str) -> Result<(), WorkspaceError> {
+    pub fn delete_workspace(&self, _workspace_id: &str) -> Result<(), WorkspaceError> {
         unimplemented!()
     }
 
diff --git a/rust-lib/flowy-workspace/src/sql_tables/app/app_sql.rs b/rust-lib/flowy-workspace/src/sql_tables/app/app_sql.rs
index 2386d36fcf..a377d78393 100644
--- a/rust-lib/flowy-workspace/src/sql_tables/app/app_sql.rs
+++ b/rust-lib/flowy-workspace/src/sql_tables/app/app_sql.rs
@@ -4,7 +4,6 @@ use crate::{
     sql_tables::{
         app::{AppTable, AppTableChangeset},
         view::ViewTable,
-        workspace::WorkspaceTable,
     },
 };
 use flowy_database::{
@@ -40,7 +39,9 @@ impl AppTableSql {
         Ok(app_table)
     }
 
-    pub(crate) fn delete_app(&self, app_id: &str) -> Result<(), WorkspaceError> { unimplemented!() }
+    pub(crate) fn delete_app(&self, _app_id: &str) -> Result<(), WorkspaceError> {
+        unimplemented!()
+    }
 
     pub(crate) fn read_views_belong_to_app(
         &self,
diff --git a/rust-lib/flowy-workspace/src/sql_tables/view/view_sql.rs b/rust-lib/flowy-workspace/src/sql_tables/view/view_sql.rs
index 95aad2ab47..b4d1d2194e 100644
--- a/rust-lib/flowy-workspace/src/sql_tables/view/view_sql.rs
+++ b/rust-lib/flowy-workspace/src/sql_tables/view/view_sql.rs
@@ -36,5 +36,5 @@ impl ViewTableSql {
         Ok(())
     }
 
-    pub fn delete_view(&self, view_id: &str) -> Result<(), WorkspaceError> { unimplemented!() }
+    pub fn delete_view(&self, _view_id: &str) -> Result<(), WorkspaceError> { unimplemented!() }
 }
diff --git a/rust-lib/flowy-workspace/src/sql_tables/workspace/workspace_sql.rs b/rust-lib/flowy-workspace/src/sql_tables/workspace/workspace_sql.rs
index e612f61a4e..6112ec3a4e 100644
--- a/rust-lib/flowy-workspace/src/sql_tables/workspace/workspace_sql.rs
+++ b/rust-lib/flowy-workspace/src/sql_tables/workspace/workspace_sql.rs
@@ -41,7 +41,7 @@ impl WorkspaceSql {
         Ok(())
     }
 
-    pub fn delete_workspace(&self, workspace_id: &str) -> Result<(), WorkspaceError> {
+    pub fn delete_workspace(&self, _workspace_id: &str) -> Result<(), WorkspaceError> {
         unimplemented!()
     }
 
diff --git a/rust-lib/flowy-workspace/tests/event/app_test.rs b/rust-lib/flowy-workspace/tests/event/app_test.rs
index 526ae6fa06..2f2dd63935 100644
--- a/rust-lib/flowy-workspace/tests/event/app_test.rs
+++ b/rust-lib/flowy-workspace/tests/event/app_test.rs
@@ -1,13 +1,6 @@
 use crate::helper::*;
-use flowy_test::builder::SingleUserTestBuilder;
-use flowy_workspace::{
-    entities::{
-        app::{App, CreateAppRequest, QueryAppRequest},
-        view::*,
-        workspace::Workspace,
-    },
-    event::WorkspaceEvent::{CreateApp, GetCurWorkspace},
-};
+
+use flowy_workspace::entities::{app::QueryAppRequest, view::*};
 
 #[test]
 fn app_create_success() {
diff --git a/rust-lib/flowy-workspace/tests/event/workspace_test.rs b/rust-lib/flowy-workspace/tests/event/workspace_test.rs
index 7c1bc0ab71..2a6c2b69f1 100644
--- a/rust-lib/flowy-workspace/tests/event/workspace_test.rs
+++ b/rust-lib/flowy-workspace/tests/event/workspace_test.rs
@@ -1,13 +1,9 @@
 use crate::helper::*;
 use flowy_workspace::{
-    entities::{
-        app::{App, CreateAppRequest},
-        workspace::{CreateWorkspaceRequest, QueryWorkspaceRequest, Workspace},
-    },
+    entities::workspace::{CreateWorkspaceRequest, QueryWorkspaceRequest, Workspace},
     event::WorkspaceEvent::*,
     prelude::*,
 };
-use serial_test::*;
 
 #[test]
 fn workspace_create_success() { let _ = create_workspace("First workspace", ""); }
@@ -66,7 +62,7 @@ fn workspace_create_with_invalid_name_test() {
                 .sync_send()
                 .error()
                 .code,
-            WorkspaceErrorCode::WorkspaceNameInvalid
+            WsErrCode::WorkspaceNameInvalid
         )
     }
 }
@@ -86,7 +82,7 @@ fn workspace_update_with_invalid_name_test() {
                 .sync_send()
                 .error()
                 .code,
-            WorkspaceErrorCode::WorkspaceNameInvalid
+            WsErrCode::WorkspaceNameInvalid
         )
     }
 }
diff --git a/scripts/flowy-tool/src/proto/template/proto_file/struct_template.rs b/scripts/flowy-tool/src/proto/template/proto_file/struct_template.rs
index 1d06a16a51..dd7103fa1f 100644
--- a/scripts/flowy-tool/src/proto/template/proto_file/struct_template.rs
+++ b/scripts/flowy-tool/src/proto/template/proto_file/struct_template.rs
@@ -1,7 +1,7 @@
 use crate::util::get_tera;
 use flowy_ast::*;
 use phf::phf_map;
-use syn::__private::quote::__private::Ident;
+
 use tera::Context;
 
 // Protobuf data type : https://developers.google.com/protocol-buffers/docs/proto3