diff --git a/src/task/pool.rs b/src/task/pool.rs
index 90502534..210b862c 100644
--- a/src/task/pool.rs
+++ b/src/task/pool.rs
@@ -3,8 +3,8 @@ use std::ptr;
 use std::thread;
 
 use crossbeam_channel::{unbounded, Sender};
-use lazy_static::lazy_static;
 use kv_log_macro::trace;
+use lazy_static::lazy_static;
 
 use super::task;
 use super::{JoinHandle, Task};