diff --git a/example/src/split_log.rs b/example/src/split_log.rs
index 53b2432..12aca3d 100644
--- a/example/src/split_log.rs
+++ b/example/src/split_log.rs
@@ -1,6 +1,6 @@
 use fast_log::config::Config;
 use fast_log::consts::LogSize;
-use fast_log::plugin::cleaner::{RollingAll, RollingNum};
+use fast_log::plugin::keep::{KeepAll, KeepNum};
 use fast_log::plugin::packer::LogPacker;
 
 fn main() {
@@ -8,7 +8,7 @@ fn main() {
     fast_log::init(Config::new().chan_len(Some(100000)).console().file_split(
         "target/logs/",
         LogSize::MB(1),
-        RollingNum(2),
+        KeepNum(2),
         LogPacker {},
     ))
     .unwrap();
diff --git a/src/config.rs b/src/config.rs
index 72a2fac..6bd46d6 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -4,7 +4,7 @@ use crate::filter::{Filter, NoFilter};
 use crate::plugin::console::ConsoleAppender;
 use crate::plugin::file::FileAppender;
 use crate::plugin::file_loop::FileLoopAppender;
-use crate::plugin::file_split::{Cleaner, FileSplitAppender, Packer, RawFile, SplitFile};
+use crate::plugin::file_split::{FileSplitAppender, Keep, Packer, RawFile, SplitFile};
 use crate::FastLogFormat;
 use dark_std::sync::SyncVec;
 use log::LevelFilter;
@@ -90,7 +90,7 @@ impl Config {
         self
     }
     /// add a FileSplitAppender
-    pub fn file_split<P: Packer + Sync + 'static, R: Cleaner + 'static>(
+    pub fn file_split<P: Packer + Sync + 'static, R: Keep + 'static>(
         self,
         file_path: &str,
         temp_size: LogSize,
@@ -118,7 +118,7 @@ impl Config {
     //                 LogPacker {},
     //             ),
     //     );
-    pub fn split<F: SplitFile + 'static, R: Cleaner + 'static, P: Packer + Sync + 'static>(
+    pub fn split<F: SplitFile + 'static, R: Keep + 'static, P: Packer + Sync + 'static>(
         self,
         file_path: &str,
         temp_size: LogSize,
diff --git a/src/plugin/file_loop.rs b/src/plugin/file_loop.rs
index b0b7897..b141334 100644
--- a/src/plugin/file_loop.rs
+++ b/src/plugin/file_loop.rs
@@ -1,8 +1,8 @@
 use crate::appender::{FastLogRecord, LogAppender};
 use crate::consts::LogSize;
 use crate::error::LogError;
-use crate::plugin::cleaner::RollingNum;
 use crate::plugin::file_split::{FileSplitAppender, SplitFile};
+use crate::plugin::keep::KeepNum;
 use crate::plugin::packer::LogPacker;
 
 /// Single logs are stored in rolling mode by capacity
@@ -16,7 +16,7 @@ impl<F: SplitFile> FileLoopAppender<F> {
             file: FileSplitAppender::<F, LogPacker>::new(
                 log_file_path,
                 size,
-                RollingNum(1),
+                KeepNum(1),
                 LogPacker {},
             )?,
         })
diff --git a/src/plugin/file_split.rs b/src/plugin/file_split.rs
index 9af68b5..63aaf6b 100644
--- a/src/plugin/file_split.rs
+++ b/src/plugin/file_split.rs
@@ -174,7 +174,7 @@ pub struct FileSplitAppender<F: SplitFile, P: Packer> {
 }
 
 impl<F: SplitFile, P: Packer + Sync + 'static> FileSplitAppender<F, P> {
-    pub fn new<R: Cleaner + 'static>(
+    pub fn new<R: Keep + 'static>(
         file_path: &str,
         temp_size: LogSize,
         rolling: R,
@@ -289,9 +289,9 @@ impl LogPack {
     }
 }
 
-pub trait Cleaner: Send {
+pub trait Keep: Send {
     /// return removed
-    fn do_clean(&self, dir: &str, temp_name: &str) -> i64;
+    fn do_keep(&self, dir: &str, temp_name: &str) -> i64;
     fn read_paths(&self, dir: &str, temp_name: &str) -> Vec<DirEntry> {
         let base_name = get_base_name(&Path::new(temp_name));
         let paths = std::fs::read_dir(dir);
@@ -337,8 +337,8 @@ pub enum RollingType {
     KeepNum(i64),
 }
 
-impl Cleaner for RollingType {
-    fn do_clean(&self, temp_name: &str, dir: &str) -> i64 {
+impl Keep for RollingType {
+    fn do_keep(&self, temp_name: &str, dir: &str) -> i64 {
         let mut removed = 0;
         match self {
             RollingType::KeepNum(n) => {
@@ -426,7 +426,7 @@ impl<F: SplitFile, P: Packer + Sync + 'static> LogAppender for FileSplitAppender
 }
 
 ///spawn an saver thread to save log file or zip file
-fn spawn_saver<P: Packer + Sync + 'static, R: Cleaner + 'static>(
+fn spawn_saver<P: Packer + Sync + 'static, R: Keep + 'static>(
     temp_name: String,
     r: Receiver<LogPack>,
     rolling: R,
@@ -436,7 +436,7 @@ fn spawn_saver<P: Packer + Sync + 'static, R: Cleaner + 'static>(
         loop {
             if let Ok(pack) = r.recv() {
                 //do rolling
-                rolling.do_clean(&pack.dir, &temp_name);
+                rolling.do_keep(&pack.dir, &temp_name);
                 let log_file_path = pack.new_log_name.clone();
                 //do save pack
                 let remove = pack.do_pack(packer.deref());
diff --git a/src/plugin/cleaner.rs b/src/plugin/keep.rs
similarity index 74%
rename from src/plugin/cleaner.rs
rename to src/plugin/keep.rs
index 97c06b0..d7273ef 100644
--- a/src/plugin/cleaner.rs
+++ b/src/plugin/keep.rs
@@ -1,20 +1,20 @@
-use crate::plugin::file_split::Cleaner;
+use crate::plugin::file_split::Keep;
 use fastdate::DateTime;
 use std::time::Duration;
 
 /// keeps all,do not rolling
-pub struct RollingAll {}
-impl Cleaner for RollingAll {
-    fn do_clean(&self, dir: &str, temp_name: &str) -> i64 {
+pub struct KeepAll {}
+impl Keep for KeepAll {
+    fn do_keep(&self, dir: &str, temp_name: &str) -> i64 {
         0
     }
 }
 
 /// rolling from file num
-pub struct RollingNum(pub i64);
+pub struct KeepNum(pub i64);
 
-impl Cleaner for RollingNum {
-    fn do_clean(&self, dir: &str, temp_name: &str) -> i64 {
+impl Keep for KeepNum {
+    fn do_keep(&self, dir: &str, temp_name: &str) -> i64 {
         let mut removed = 0;
         let paths_vec = self.read_paths(dir, temp_name);
         for index in 0..paths_vec.len() {
@@ -29,10 +29,10 @@ impl Cleaner for RollingNum {
 }
 
 /// rolling from metadata
-pub struct RollingDuration(pub Duration);
+pub struct KeepDuration(pub Duration);
 
-impl Cleaner for RollingDuration {
-    fn do_clean(&self, dir: &str, temp_name: &str) -> i64 {
+impl Keep for KeepDuration {
+    fn do_keep(&self, dir: &str, temp_name: &str) -> i64 {
         let mut removed = 0;
         let paths_vec = self.read_paths(dir, temp_name);
         let now = DateTime::now();
diff --git a/src/plugin/mod.rs b/src/plugin/mod.rs
index 1213dfd..932f5a8 100644
--- a/src/plugin/mod.rs
+++ b/src/plugin/mod.rs
@@ -6,4 +6,4 @@ pub mod file_mmap;
 pub mod file_split;
 pub mod packer;
 
-pub mod cleaner;
+pub mod keep;
diff --git a/tests/split_test.rs b/tests/split_test.rs
index 3ca837a..0a77c13 100644
--- a/tests/split_test.rs
+++ b/tests/split_test.rs
@@ -2,8 +2,8 @@
 mod test {
     use fast_log::appender::{Command, FastLogRecord, LogAppender};
     use fast_log::consts::LogSize;
-    use fast_log::plugin::cleaner::{RollingAll, RollingNum};
-    use fast_log::plugin::file_split::{Cleaner, FileSplitAppender, Packer, RawFile};
+    use fast_log::plugin::file_split::{FileSplitAppender, Keep, Packer, RawFile};
+    use fast_log::plugin::keep::{KeepAll, KeepNum};
     use fast_log::plugin::packer::LogPacker;
     use log::Level;
     use std::fs::remove_dir_all;
@@ -16,7 +16,7 @@ mod test {
         let appender = FileSplitAppender::<RawFile, LogPacker>::new(
             "target/test/",
             LogSize::MB(1),
-            RollingAll {},
+            KeepAll {},
             LogPacker {},
         )
         .unwrap();
@@ -33,7 +33,7 @@ mod test {
         }]);
         appender.send_pack();
         sleep(Duration::from_secs(1));
-        let rolling_num = RollingNum(0).do_clean("target/test/", "temp.log");
+        let rolling_num = KeepNum(0).do_keep("target/test/", "temp.log");
         assert_eq!(rolling_num, 1);
         let _ = remove_dir_all("target/test/");
     }