diff --git a/src/raft.rs b/src/raft.rs
index 5d59fb2..f3db6b6 100644
--- a/src/raft.rs
+++ b/src/raft.rs
@@ -14,9 +14,9 @@ use crate::error::{Error, Result};
 use crate::message::{Message, RaftResponse, Status};
 use crate::raft_node::{Peer, RaftNode};
 use crate::raft_server::RaftServer;
-use crate::raft_service::raft_service_client::RaftServiceClient;
-use crate::raft_service::Proposal;
 use crate::raft_service::{ConfChange as RiteraftConfChange, Empty, ResultCode};
+use crate::raft_service::Proposal;
+use crate::raft_service::raft_service_client::RaftServiceClient;
 
 type DashMap<K, V> = dashmap::DashMap<K, V, ahash::RandomState>;
 
@@ -98,7 +98,7 @@ impl Mailbox {
             proposal,
             client: leader_client,
             timeout: Duration::from_millis(1000),
-            max_retries: 3,
+            max_retries: 0,
         };
         proposal_sender.send().await
     }
@@ -117,9 +117,9 @@ impl Mailbox {
             Ok(_) => match timeout(Duration::from_secs(15), rx).await {
                 Ok(Ok(RaftResponse::Response { data })) => Ok(data),
                 Ok(Ok(RaftResponse::WrongLeader {
-                    leader_id,
-                    leader_addr,
-                })) => {
+                          leader_id,
+                          leader_addr,
+                      })) => {
                     debug!(
                         "this node not is Leader, leader_id: {:?}, leader_addr: {:?}",
                         leader_id, leader_addr
diff --git a/src/raft_server.rs b/src/raft_server.rs
index 53676f2..cee8066 100644
--- a/src/raft_server.rs
+++ b/src/raft_server.rs
@@ -6,14 +6,14 @@ use log::{error, info, warn};
 use tokio::sync::mpsc;
 use tokio::sync::oneshot;
 use tokio::time::timeout;
-use tonic::transport::Server;
 use tonic::{Request, Response, Status};
+use tonic::transport::Server;
 
 use crate::message::{Message, RaftResponse};
-use crate::raft_service::raft_service_server::{RaftService, RaftServiceServer};
 use crate::raft_service::{
     self, ConfChange as RiteraftConfChange, Empty, Message as RiteraftMessage,
 };
+use crate::raft_service::raft_service_server::{RaftService, RaftServiceServer};
 
 pub struct RaftServer {
     snd: mpsc::Sender<Message>,