diff --git a/node/rpc/src/zgs/api.rs b/node/rpc/src/zgs/api.rs
index 247054e..e346fc2 100644
--- a/node/rpc/src/zgs/api.rs
+++ b/node/rpc/src/zgs/api.rs
@@ -2,7 +2,7 @@ use crate::types::{FileInfo, Segment, SegmentWithProof, Status};
use jsonrpsee::core::RpcResult;
use jsonrpsee::proc_macros::rpc;
use shared_types::{DataRoot, FlowProof, TxSeqOrRoot};
-use storage::{H256, config::ShardConfig};
+use storage::{config::ShardConfig, H256};
#[rpc(server, client, namespace = "zgs")]
pub trait Rpc {
@@ -60,7 +60,7 @@ pub trait Rpc {
) -> RpcResult