diff --git a/src/cloud_extension/src/ipc_conn/connect.rs b/src/cloud_extension/src/ipc_conn/connect.rs
new file mode 100644
index 0000000000000000000000000000000000000000..535265a51912d7bd08851724ab9d1eb9f62fccf8
--- /dev/null
+++ b/src/cloud_extension/src/ipc_conn/connect.rs
@@ -0,0 +1,190 @@
+// Copyright (c) 2023 Huawei Device Co., Ltd.
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+use std::collections::HashMap;
+
+pub struct AppInfo {
+    app_bundle_name: String,
+    app_id: String,
+    app_fingerprint: String,
+    // And more...
+}
+
+pub enum CloudStatus {
+    Unknown,
+    UnActivated,
+    Login,
+    Logout,
+}
+pub enum SpaceStatus {
+    Normal,
+    Full,
+}
+pub struct UserInfo {
+    account_id: String,
+    cloud_status: CloudStatus,
+    space_status: SpaceStatus,
+    total_space: u64,
+    left_space: u64,
+    // And more...
+}
+
+pub struct Connect {
+    infos: HashMap<i32, Infos>,
+}
+
+impl Connect {
+    pub fn new() -> Self {
+        todo!()
+    }
+
+    pub fn get(user_id: i32) -> Infos {
+        todo!()
+    }
+}
+
+pub struct Infos {
+    app_infos: HashMap<String, AppInfo>,
+    user_infos: UserInfo,
+}
+
+impl Infos {
+    pub fn get_app_info(&self) -> &AppInfo {
+        todo!()
+    }
+
+    pub fn get_user_info(&self) -> &UserInfo {
+        todo!()
+    }
+}
+
+pub struct RecordResponse {
+    time: i64,
+    device_name: String,
+    app_id: String,
+}
+
+pub enum OperationType {
+    None,
+    Add,
+    Update,
+    Delete,
+}
+
+pub struct Asset {
+    uri: String,
+    asset_name: String,
+    operation_type: OperationType,
+    hash: String,
+    version: u64,
+    asset_id: String,
+    sub_path: String,
+}
+
+pub struct Reference {
+    record_id: String,
+    record_type: String,
+}
+
+pub enum RecordField {
+    Null(),
+    Int(i64),
+    Double(f64),
+    String(String),
+    Bool(bool),
+    Blob(Vec<u8>),
+    List(Vec<RecordField>),
+    Map(HashMap<String, RecordField>),
+    Asset(Asset),
+    Reference(Reference),
+}
+
+pub struct Record {
+    record_id: String,
+    record_type: String,
+    create_info: RecordResponse,
+    modified_info: RecordResponse,
+    record_data: HashMap<String, RecordField>,
+    is_delete: bool,
+    version: u32,
+    is_new_create: bool,
+}
+
+impl Record {
+    pub fn get_record_id(&self) -> &str {
+        self.record_id.as_str()
+    }
+
+    pub fn get_record_type(&self) -> &str {
+        self.record_type.as_str()
+    }
+
+    pub fn get_create_info(&self) -> &RecordResponse {
+        &self.create_info
+    }
+
+    pub fn get_modified_info(&self) -> &RecordResponse {
+        &self.modified_info
+    }
+
+    pub fn get_record_data(&self) -> &HashMap<String, RecordField> {
+        &self.record_data
+    }
+
+    pub fn get_is_delete(&self) -> bool {
+        self.is_delete
+    }
+
+    pub fn get_version(&self) -> u32 {
+        self.version
+    }
+
+    pub fn get_is_new_create(&self) -> bool {
+        self.is_new_create
+    }
+
+    // And more...
+}
+
+pub struct Lock {
+    interval: i32,
+    session_id: String,
+}
+
+pub struct Database {
+    // And more...
+}
+
+impl Database {
+    pub fn generate_ids(number: usize) -> Vec<String> {
+        todo!()
+    }
+
+    pub fn save_records(&mut self) {
+        todo!()
+    }
+
+    pub fn delete_records(&mut self) { todo!() }
+
+    pub fn fetch_records(&mut self) { todo!() }
+
+    pub fn get_start_cursor(&mut self) { todo!() }
+
+    pub fn fetch_database_changes(&mut self) { todo!() }
+
+    pub fn get_lock(&mut self) { todo!() }
+
+    pub fn delete_lock(&mut self) { todo!() }
+
+    // And more...
+}
diff --git a/src/cloud_extension/src/ipc_conn/error.rs b/src/cloud_extension/src/ipc_conn/error.rs
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..8b137891791fe96927ad78e64b0aad7bded08bdc 100644
--- a/src/cloud_extension/src/ipc_conn/error.rs
+++ b/src/cloud_extension/src/ipc_conn/error.rs
@@ -0,0 +1 @@
+
diff --git a/src/cloud_extension/src/ipc_conn/mod.rs b/src/cloud_extension/src/ipc_conn/mod.rs
index 8d752fadfcdf4e47c0833944c659a31a64c28830..262d2e78664b192d3b07e26f0b6fdf1f14b72a9b 100644
--- a/src/cloud_extension/src/ipc_conn/mod.rs
+++ b/src/cloud_extension/src/ipc_conn/mod.rs
@@ -1,2 +1,15 @@
-mod types;
-mod error;
\ No newline at end of file
+// Copyright (c) 2023 Huawei Device Co., Ltd.
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+mod connect;
+mod error;
diff --git a/src/cloud_extension/src/ipc_conn/types.rs b/src/cloud_extension/src/ipc_conn/types.rs
deleted file mode 100644
index e69de29bb2d1d6434b8b29ae775ad8c2e48c5391..0000000000000000000000000000000000000000