diff --git a/native/cpp/CommonCpp/grpc/grpc_client/src/lib.rs b/native/cpp/CommonCpp/grpc/grpc_client/src/lib.rs
index 23fdab26f..ddc7f47da 100644
--- a/native/cpp/CommonCpp/grpc/grpc_client/src/lib.rs
+++ b/native/cpp/CommonCpp/grpc/grpc_client/src/lib.rs
@@ -1,17 +1,56 @@
 use lazy_static::lazy_static;
 use std::sync::Arc;
 use tokio::runtime::{Builder, Runtime};
+use tonic::{transport::Channel, Response, Status};
+
+use identity::{
+  get_user_id_request::AuthType,
+  identity_service_client::IdentityServiceClient, GetUserIdRequest,
+  GetUserIdResponse,
+};
 pub mod identity {
   tonic::include_proto!("identity");
 }
 
+const IDENTITY_SERVICE_SOCKET_ADDR: &str = "[::1]:50051";
+
 lazy_static! {
   pub static ref RUNTIME: Arc<Runtime> = Arc::new(
     Builder::new_multi_thread()
       .worker_threads(1)
       .max_blocking_threads(1)
       .enable_all()
       .build()
       .unwrap()
   );
 }
+
+pub struct Client {
+  identity_client: IdentityServiceClient<Channel>,
+}
+
+impl Client {
+  async fn new() -> Self {
+    Self {
+      identity_client: IdentityServiceClient::connect(
+        IDENTITY_SERVICE_SOCKET_ADDR,
+      )
+      .await
+      .unwrap(),
+    }
+  }
+
+  async fn get_user_id(
+    &mut self,
+    auth_type: AuthType,
+    user_info: String,
+  ) -> Result<Response<GetUserIdResponse>, Status> {
+    self
+      .identity_client
+      .get_user_id(GetUserIdRequest {
+        auth_type: auth_type.into(),
+        user_info,
+      })
+      .await
+  }
+}