diff --git a/src/c2se/frontend/identity.rs b/src/c2se/frontend/identity.rs
index f409ecc..9b8dc49 100644
--- a/src/c2se/frontend/identity.rs
+++ b/src/c2se/frontend/identity.rs
@@ -1,24 +1,22 @@
 use crate::protobuf::rpc;
 
-
 const SUBJECT: &str = "bet.beteran.c2se.frontend.identity";
 
-pub const SUBJECT_SIGNIN: &str =
-  const_format::concatcp!(SUBJECT, ".Signin");
+pub const SUBJECT_SIGNIN: &str = const_format::concatcp!(SUBJECT, ".Signin");
 /// subject = bet.beteran.c2se.frontend.identity.Signin
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct SigninRequest {
-    #[prost(string, tag="1")]
-    pub username: ::prost::alloc::string::String,
-    #[prost(string, tag="2")]
-    pub password: ::prost::alloc::string::String,
-    #[prost(string, tag="3")]
-    pub security_code: ::prost::alloc::string::String,
+  #[prost(string, tag = "1")]
+  pub username: ::prost::alloc::string::String,
+  #[prost(string, tag = "2")]
+  pub password: ::prost::alloc::string::String,
+  #[prost(string, tag = "3")]
+  pub security_code: ::prost::alloc::string::String,
 }
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct SigninResponse {
-    #[prost(message, optional, tag="1")]
-    pub error: ::core::option::Option<rpc::Error>,
-    #[prost(string, optional, tag="2")]
-    pub token: ::core::option::Option<::prost::alloc::string::String>,
+  #[prost(message, optional, tag = "1")]
+  pub error: ::core::option::Option<rpc::Error>,
+  #[prost(string, optional, tag = "2")]
+  pub token: ::core::option::Option<::prost::alloc::string::String>,
 }
diff --git a/src/lib.rs b/src/lib.rs
index 2d1ada5..71d926e 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -5,11 +5,8 @@
 #![deny(missing_debug_implementations)]
 #![allow(unused_variables, dead_code, missing_docs, clippy::let_unit_value)]
 
+pub mod c2se;
 pub mod models;
 pub mod protobuf;
-pub mod c2se;
 pub mod se2c;
 pub mod ss;
-
-
-
diff --git a/src/ss/event_message_attach_files.rs b/src/ss/event_message_attach_files.rs
deleted file mode 100644
index c5f88ea..0000000
--- a/src/ss/event_message_attach_files.rs
+++ /dev/null
@@ -1,48 +0,0 @@
-use bemily_commons_protobuf_rust::protobuf::bemily::protobuf as bcprpbp;
-
-pub const SUBJECT: &str = "bemily.messenger.chat.messages.ss.event.messages";
-
-#[derive(Clone, PartialEq, ::prost::Message)]
-pub struct MessageAttachFile {
-  #[prost(string, tag = "1")]
-  pub id: ::prost::alloc::string::String,
-  #[prost(string, tag = "2")]
-  pub room_id: ::prost::alloc::string::String,
-  #[prost(string, tag = "3")]
-  pub message_id: ::prost::alloc::string::String,
-  #[prost(string, tag = "4")]
-  pub file_id: ::prost::alloc::string::String,
-  #[prost(enumeration = "MessageAttachFileType", tag = "5")]
-  pub attach_file_type: i32,
-  #[prost(uint64, tag = "6")]
-  pub created_at: u64,
-  #[prost(uint64, tag = "7")]
-  pub updated_at: u64,
-  #[prost(uint64, optional, tag = "8")]
-  pub deleted_at: ::core::option::Option<u64>,
-  #[prost(enumeration = "bcprpbp::event::change::ChangeEventType", tag = "9")]
-  pub change_type: i32,
-}
-
-pub const SUBJECT_CHANGE: &str = const_format::concatcp!(SUBJECT, ".Change");
-/// subject = bemily.messenger.chat.messages.ss.event.message_attach_files.Change;
-#[derive(Clone, PartialEq, ::prost::Message)]
-pub struct ChangeEvent {
-  #[prost(string, repeated, tag = "1")]
-  pub identity_ids: ::prost::alloc::vec::Vec<::prost::alloc::string::String>,
-  #[prost(string, tag = "2")]
-  pub room_id: ::prost::alloc::string::String,
-  #[prost(string, tag = "3")]
-  pub message_id: ::prost::alloc::string::String,
-  #[prost(message, repeated, tag = "4")]
-  pub message_attach_files: ::prost::alloc::vec::Vec<MessageAttachFile>,
-}
-#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, PartialOrd, Ord, ::prost::Enumeration)]
-#[repr(i32)]
-pub enum MessageAttachFileType {
-  None = 0,
-  Image = 1,
-  Video = 2,
-  Sound = 3,
-  File = 4,
-}
diff --git a/src/ss/event_messages.rs b/src/ss/event_messages.rs
deleted file mode 100644
index 971ebc0..0000000
--- a/src/ss/event_messages.rs
+++ /dev/null
@@ -1,65 +0,0 @@
-use bemily_commons_protobuf_rust::protobuf::bemily::protobuf as bcprpbp;
-
-pub const SUBJECT: &str = "bemily.messenger.chat.messages.ss.event.messages";
-
-#[derive(Clone, PartialEq, ::prost::Message)]
-pub struct Message {
-  #[prost(string, tag = "1")]
-  pub id: ::prost::alloc::string::String,
-  #[prost(string, tag = "2")]
-  pub room_id: ::prost::alloc::string::String,
-  #[prost(string, optional, tag = "3")]
-  pub sender_id: ::core::option::Option<::prost::alloc::string::String>,
-  #[prost(enumeration = "MessageType", tag = "4")]
-  pub message_type: i32,
-  #[prost(string, tag = "5")]
-  pub message: ::prost::alloc::string::String,
-  #[prost(uint64, tag = "6")]
-  pub seq: u64,
-  #[prost(uint64, tag = "7")]
-  pub created_at: u64,
-  #[prost(uint64, tag = "8")]
-  pub updated_at: u64,
-  #[prost(uint64, optional, tag = "9")]
-  pub deleted_at: ::core::option::Option<u64>,
-  #[prost(enumeration = "bcprpbp::event::change::ChangeEventType", tag = "10")]
-  pub change_type: i32,
-}
-
-pub const SUBJECT_CHANGE: &str = const_format::concatcp!(SUBJECT, ".Change");
-/// subject = bemily.messenger.chat.messages.ss.event.messages.Change;
-#[derive(Clone, PartialEq, ::prost::Message)]
-pub struct ChangeEvent {
-  #[prost(string, repeated, tag = "1")]
-  pub identity_ids: ::prost::alloc::vec::Vec<::prost::alloc::string::String>,
-  #[prost(message, optional, tag = "2")]
-  pub message: ::core::option::Option<Message>,
-}
-
-pub const SUBJECT_CHANGE_MESSAGE: &str = const_format::concatcp!(SUBJECT, ".ChangeMessage");
-/// subject = bemily.messenger.chat.messages.ss.event.messages.ChangeMessage;
-#[derive(Clone, PartialEq, ::prost::Message)]
-pub struct ChangeMessageEvent {
-  #[prost(string, tag = "1")]
-  pub room_id: ::prost::alloc::string::String,
-  #[prost(string, tag = "2")]
-  pub message_id: ::prost::alloc::string::String,
-  #[prost(string, tag = "3")]
-  pub message: ::prost::alloc::string::String,
-}
-#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, PartialOrd, Ord, ::prost::Enumeration)]
-#[repr(i32)]
-pub enum MessageType {
-  None = 0,
-  Normal = 1,
-  Mass = 2,
-  Image = 3,
-  Video = 4,
-  Sound = 5,
-  File = 6,
-  Emoticon = 7,
-  Smileme = 8,
-  Plan = 9,
-  Combination = 10,
-  Information = 11,
-}
diff --git a/src/ss/member/identity.rs b/src/ss/member/identity.rs
new file mode 100644
index 0000000..370ec70
--- /dev/null
+++ b/src/ss/member/identity.rs
@@ -0,0 +1,22 @@
+use crate::protobuf::rpc;
+
+const SUBJECT: &str = "bet.beteran.ss.member.identity";
+
+pub const SUBJECT_SIGNIN: &str = const_format::concatcp!(SUBJECT, ".Signin");
+/// subject = bet.beteran.ss.member.identity.Signin
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct SigninRequest {
+  #[prost(string, tag = "1")]
+  pub username: ::prost::alloc::string::String,
+  #[prost(string, tag = "2")]
+  pub password: ::prost::alloc::string::String,
+  #[prost(string, tag = "3")]
+  pub security_code: ::prost::alloc::string::String,
+}
+#[derive(Clone, PartialEq, ::prost::Message)]
+pub struct SigninResponse {
+  #[prost(message, optional, tag = "1")]
+  pub error: ::core::option::Option<rpc::Error>,
+  #[prost(string, optional, tag = "2")]
+  pub token: ::core::option::Option<::prost::alloc::string::String>,
+}
diff --git a/src/ss/member/mod.rs b/src/ss/member/mod.rs
new file mode 100644
index 0000000..db53a0c
--- /dev/null
+++ b/src/ss/member/mod.rs
@@ -0,0 +1 @@
+pub mod identity;
diff --git a/src/ss/message_attach_files.rs b/src/ss/message_attach_files.rs
deleted file mode 100644
index dd4e659..0000000
--- a/src/ss/message_attach_files.rs
+++ /dev/null
@@ -1,79 +0,0 @@
-use bemily_commons_protobuf_rust::protobuf::bemily::protobuf as bcprpbp;
-
-pub const SUBJECT: &str = "bemily.messenger.chat.messages.ss.message_attach_files";
-
-#[derive(Clone, PartialEq, ::prost::Message)]
-pub struct MessageAttachFile {
-  #[prost(string, tag = "1")]
-  pub id: ::prost::alloc::string::String,
-  #[prost(string, tag = "2")]
-  pub room_id: ::prost::alloc::string::String,
-  #[prost(string, tag = "3")]
-  pub message_id: ::prost::alloc::string::String,
-  #[prost(string, tag = "4")]
-  pub file_id: ::prost::alloc::string::String,
-  #[prost(enumeration = "MessageAttachFileType", tag = "5")]
-  pub attach_file_type: i32,
-  #[prost(uint64, tag = "6")]
-  pub created_at: u64,
-  #[prost(uint64, tag = "7")]
-  pub updated_at: u64,
-  #[prost(uint64, optional, tag = "8")]
-  pub deleted_at: ::core::option::Option<u64>,
-}
-
-pub const SUBJECT_LIST_BY_MESSAGE_ID: &str = const_format::concatcp!(SUBJECT, ".ListByMessageId");
-/// subject = bemily.messenger.chat.messages.ss.message_attach_files.ListByMessageId
-#[derive(Clone, PartialEq, ::prost::Message)]
-pub struct ListByMessageIdRequest {
-  #[prost(string, tag = "1")]
-  pub message_id: ::prost::alloc::string::String,
-}
-#[derive(Clone, PartialEq, ::prost::Message)]
-pub struct ListByMessageIdResponse {
-  #[prost(message, optional, tag = "1")]
-  pub error: ::core::option::Option<bcprpbp::rpc::error::Error>,
-  #[prost(message, repeated, tag = "2")]
-  pub message_attach_files: ::prost::alloc::vec::Vec<MessageAttachFile>,
-}
-
-pub const SUBJECT_DELETE: &str = const_format::concatcp!(SUBJECT, ".Delete");
-/// subject = bemily.messenger.chat.messages.ss.message_attach_files.Delete
-#[derive(Clone, PartialEq, ::prost::Message)]
-pub struct DeleteRequest {
-  #[prost(string, tag = "1")]
-  pub id: ::prost::alloc::string::String,
-}
-#[derive(Clone, PartialEq, ::prost::Message)]
-pub struct DeleteResponse {
-  #[prost(message, optional, tag = "1")]
-  pub error: ::core::option::Option<bcprpbp::rpc::error::Error>,
-}
-
-pub const SUBJECT_SYNCHRONIZE: &str = const_format::concatcp!(SUBJECT, ".Synchronize");
-/// subject = bemily.messenger.chat.messages.ss.message_attach_files.Synchronize
-#[derive(Clone, PartialEq, ::prost::Message)]
-pub struct SynchronizeRequest {
-  #[prost(string, tag = "1")]
-  pub identity_id: ::prost::alloc::string::String,
-  #[prost(uint64, optional, tag = "2")]
-  pub synchronized_at: ::core::option::Option<u64>,
-}
-#[derive(Clone, PartialEq, ::prost::Message)]
-pub struct SynchronizeResponse {
-  #[prost(message, optional, tag = "1")]
-  pub error: ::core::option::Option<bcprpbp::rpc::error::Error>,
-  #[prost(uint64, optional, tag = "2")]
-  pub synchronized_at: ::core::option::Option<u64>,
-  #[prost(message, repeated, tag = "3")]
-  pub message_attach_files: ::prost::alloc::vec::Vec<MessageAttachFile>,
-}
-#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, PartialOrd, Ord, ::prost::Enumeration)]
-#[repr(i32)]
-pub enum MessageAttachFileType {
-  None = 0,
-  Image = 1,
-  Video = 2,
-  Sound = 3,
-  File = 4,
-}
diff --git a/src/ss/messages.rs b/src/ss/messages.rs
deleted file mode 100644
index 3acb644..0000000
--- a/src/ss/messages.rs
+++ /dev/null
@@ -1,140 +0,0 @@
-use bemily_commons_protobuf_rust::protobuf::bemily::protobuf as bcprpbp;
-
-pub const SUBJECT: &str = "bemily.messenger.chat.messages.ss.messages";
-
-#[derive(Clone, PartialEq, ::prost::Message)]
-pub struct Message {
-  #[prost(string, tag = "1")]
-  pub id: ::prost::alloc::string::String,
-  #[prost(string, tag = "2")]
-  pub room_id: ::prost::alloc::string::String,
-  #[prost(string, optional, tag = "3")]
-  pub sender_id: ::core::option::Option<::prost::alloc::string::String>,
-  #[prost(enumeration = "MessageType", tag = "4")]
-  pub message_type: i32,
-  #[prost(string, tag = "5")]
-  pub message: ::prost::alloc::string::String,
-  #[prost(uint64, tag = "6")]
-  pub seq: u64,
-  #[prost(uint64, tag = "7")]
-  pub created_at: u64,
-  #[prost(uint64, tag = "8")]
-  pub updated_at: u64,
-  #[prost(uint64, optional, tag = "9")]
-  pub deleted_at: ::core::option::Option<u64>,
-}
-
-pub const SUBJECT_GET: &str = const_format::concatcp!(SUBJECT, ".Get");
-/// subject = bemily.messenger.chat.messages.ss.messages.Get
-#[derive(Clone, PartialEq, ::prost::Message)]
-pub struct GetRequest {
-  #[prost(string, tag = "1")]
-  pub id: ::prost::alloc::string::String,
-}
-#[derive(Clone, PartialEq, ::prost::Message)]
-pub struct GetResponse {
-  #[prost(message, optional, tag = "1")]
-  pub error: ::core::option::Option<bcprpbp::rpc::error::Error>,
-  #[prost(message, optional, tag = "2")]
-  pub message: ::core::option::Option<Message>,
-}
-
-pub const SUBJECT_LIST_BY_IDS: &str = const_format::concatcp!(SUBJECT, ".ListByIds");
-/// subject = bemily.messenger.chat.messages.ss.messages.ListByIds
-#[derive(Clone, PartialEq, ::prost::Message)]
-pub struct ListByIdsRequest {
-  #[prost(string, repeated, tag = "1")]
-  pub ids: ::prost::alloc::vec::Vec<::prost::alloc::string::String>,
-}
-#[derive(Clone, PartialEq, ::prost::Message)]
-pub struct ListByIdsResponse {
-  #[prost(message, optional, tag = "1")]
-  pub error: ::core::option::Option<bcprpbp::rpc::error::Error>,
-  #[prost(message, repeated, tag = "2")]
-  pub messages: ::prost::alloc::vec::Vec<Message>,
-}
-
-pub const SUBJECT_CREATE: &str = const_format::concatcp!(SUBJECT, ".Create");
-/// subject = bemily.messenger.chat.messages.ss.messages.Create
-#[derive(Clone, PartialEq, ::prost::Message)]
-pub struct CreateRequest {
-  #[prost(string, tag = "1")]
-  pub room_id: ::prost::alloc::string::String,
-  #[prost(string, optional, tag = "2")]
-  pub sender_id: ::core::option::Option<::prost::alloc::string::String>,
-  #[prost(enumeration = "MessageType", tag = "3")]
-  pub message_type: i32,
-  #[prost(string, tag = "4")]
-  pub message: ::prost::alloc::string::String,
-}
-#[derive(Clone, PartialEq, ::prost::Message)]
-pub struct CreateResponse {
-  #[prost(message, optional, tag = "1")]
-  pub error: ::core::option::Option<bcprpbp::rpc::error::Error>,
-  #[prost(message, optional, tag = "2")]
-  pub message: ::core::option::Option<Message>,
-}
-
-pub const SUBJECT_CHANGE_MESSAGE: &str = const_format::concatcp!(SUBJECT, ".ChangeMessage");
-/// subject = bemily.messenger.chat.messages.ss.messages.ChangeMessage
-#[derive(Clone, PartialEq, ::prost::Message)]
-pub struct ChangeMessageRequest {
-  #[prost(string, tag = "1")]
-  pub id: ::prost::alloc::string::String,
-  #[prost(string, tag = "2")]
-  pub message: ::prost::alloc::string::String,
-}
-#[derive(Clone, PartialEq, ::prost::Message)]
-pub struct ChangeMessageResponse {
-  #[prost(message, optional, tag = "1")]
-  pub error: ::core::option::Option<bcprpbp::rpc::error::Error>,
-}
-
-pub const SUBJECT_DELETE: &str = const_format::concatcp!(SUBJECT, ".Delete");
-/// subject = bemily.messenger.chat.messages.ss.messages.Delete
-#[derive(Clone, PartialEq, ::prost::Message)]
-pub struct DeleteRequest {
-  #[prost(string, tag = "1")]
-  pub id: ::prost::alloc::string::String,
-}
-#[derive(Clone, PartialEq, ::prost::Message)]
-pub struct DeleteResponse {
-  #[prost(message, optional, tag = "1")]
-  pub error: ::core::option::Option<bcprpbp::rpc::error::Error>,
-}
-
-pub const SUBJECT_SYNCHRONIZE: &str = const_format::concatcp!(SUBJECT, ".Synchronize");
-/// subject = bemily.messenger.chat.messages.ss.messages.Synchronize
-#[derive(Clone, PartialEq, ::prost::Message)]
-pub struct SynchronizeRequest {
-  #[prost(string, tag = "1")]
-  pub identity_id: ::prost::alloc::string::String,
-  #[prost(uint64, optional, tag = "2")]
-  pub synchronized_at: ::core::option::Option<u64>,
-}
-#[derive(Clone, PartialEq, ::prost::Message)]
-pub struct SynchronizeResponse {
-  #[prost(message, optional, tag = "1")]
-  pub error: ::core::option::Option<bcprpbp::rpc::error::Error>,
-  #[prost(uint64, optional, tag = "2")]
-  pub synchronized_at: ::core::option::Option<u64>,
-  #[prost(message, repeated, tag = "3")]
-  pub messages: ::prost::alloc::vec::Vec<Message>,
-}
-
-#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, PartialOrd, Ord, ::prost::Enumeration)]
-#[repr(i32)]
-pub enum MessageType {
-  None = 0,
-  Normal = 1,
-  Mass = 2,
-  Image = 3,
-  Video = 4,
-  Sound = 5,
-  File = 6,
-  Emoticon = 7,
-  Smileme = 8,
-  Plan = 9,
-  Combination = 10,
-  Information = 11,
-}
diff --git a/src/ss/mod.rs b/src/ss/mod.rs
index 9f9b345..9652b86 100644
--- a/src/ss/mod.rs
+++ b/src/ss/mod.rs
@@ -3,20 +3,4 @@
 
 ///
 ///
-#[cfg(feature = "ss_messages")]
-pub mod messages;
-
-///
-///
-#[cfg(feature = "ss_message_attach_files")]
-pub mod message_attach_files;
-
-///
-///
-#[cfg(feature = "ss_event_messages")]
-pub mod event_messages;
-
-///
-///
-#[cfg(feature = "ss_event_message_attach_files")]
-pub mod event_message_attach_files;
+pub mod member;