diff --git a/src/bin/main.rs b/src/bin/main.rs
index 3c9e2a0..4059611 100644
--- a/src/bin/main.rs
+++ b/src/bin/main.rs
@@ -23,7 +23,7 @@ use dcache::DcacheTypeConfig;
 use openraft::Raft;
 use tracing_subscriber::EnvFilter;
 
-pub type DcacheRaft = Raft<DcacheTypeConfig, DcacheNetwork, DcacheStore>;
+//pub type DcacheRaft = Raft<DcacheTypeConfig, DcacheNetwork, DcacheStore>;
 
 #[derive(Parser, Clone, Debug)]
 #[clap(author, version, about, long_about = None)]
@@ -33,6 +33,15 @@ pub struct Opt {
 
     #[clap(long)]
     pub http_addr: String,
+
+    #[clap(long)]
+    pub introducer_id: u64,
+
+    #[clap(long)]
+    pub introducer_addr: String,
+
+    #[clap(long)]
+    pub cluster_size: usize,
 }
 
 #[actix_web::main]
@@ -49,5 +58,11 @@ async fn main() -> std::io::Result<()> {
     // Parse the parameters passed by arguments.
     let options = Opt::parse();
 
-    start_example_raft_node(options.id, options.http_addr).await
+    start_example_raft_node(
+        options.id,
+        options.http_addr,
+        options.introducer_addr,
+        options.introducer_id,
+    )
+    .await
 }