diff --git a/src/config.rs b/src/config.rs
index a80db60..ed9c4eb 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -8,17 +8,19 @@ use crate::plugin::file_split::{FileSplitAppender, Keep, Packer, RawFile, SplitF
 use crate::FastLogFormat;
 use dark_std::sync::SyncVec;
 use log::LevelFilter;
-use parking_lot::Mutex;
 use std::fmt::{Debug, Formatter};
 
 /// the fast_log Config
 /// for example:
-// fast_log::init(
-//         Config::new().console().chan_len(Some(1000000))
-// )
+/// ```rust
+/// use fast_log::Config;
+/// fn main(){
+///    fast_log::init(Config::new().console().chan_len(Some(1000000))).unwrap();
+/// }
+/// ```
 pub struct Config {
     /// Each appender is responsible for printing its own business
-    pub appends: SyncVec<Mutex<Box<dyn LogAppender>>>,
+    pub appends: SyncVec<Box<dyn LogAppender>>,
     /// the log level filter
     pub level: LevelFilter,
     /// filter log
@@ -81,20 +83,20 @@ impl Config {
     }
     /// add a ConsoleAppender
     pub fn console(self) -> Self {
-        self.appends.push(Mutex::new(Box::new(ConsoleAppender {})));
+        self.appends.push(Box::new(ConsoleAppender {}));
         self
     }
     /// add a FileAppender
     pub fn file(self, file: &str) -> Self {
         self.appends
-            .push(Mutex::new(Box::new(FileAppender::new(file).unwrap())));
+            .push(Box::new(FileAppender::new(file).unwrap()));
         self
     }
     /// add a FileLoopAppender
     pub fn file_loop(self, file: &str, max_temp_size: LogSize) -> Self {
-        self.appends.push(Mutex::new(Box::new(
+        self.appends.push(Box::new(
             FileLoopAppender::<RawFile>::new(file, max_temp_size).expect("make file_loop fail"),
-        )));
+        ));
         self
     }
     /// add a FileSplitAppender
@@ -105,10 +107,10 @@ impl Config {
         rolling_type: R,
         packer: P,
     ) -> Self {
-        self.appends.push(Mutex::new(Box::new(
+        self.appends.push(Box::new(
             FileSplitAppender::<RawFile>::new(file_path, temp_size, rolling_type, Box::new(packer))
                 .unwrap(),
-        )));
+        ));
         self
     }
 
@@ -133,9 +135,9 @@ impl Config {
         keeper: R,
         packer: P,
     ) -> Self {
-        self.appends.push(Mutex::new(Box::new(
+        self.appends.push(Box::new(
             FileSplitAppender::<F>::new(file_path, temp_size, keeper, Box::new(packer)).unwrap(),
-        )));
+        ));
         self
     }
     /// add a custom LogAppender
@@ -145,7 +147,7 @@ impl Config {
 
     /// add a LogAppender
     pub fn add_appender<Appender: LogAppender + 'static>(self, arg: Appender) -> Self {
-        self.appends.push(Mutex::new(Box::new(arg)));
+        self.appends.push(Box::new(arg));
         self
     }
 
diff --git a/src/fast_log.rs b/src/fast_log.rs
index dfed9de..6f83d8d 100644
--- a/src/fast_log.rs
+++ b/src/fast_log.rs
@@ -1,4 +1,4 @@
-use crate::appender::{Command, FastLogRecord};
+use crate::appender::{Command, FastLogRecord, LogAppender};
 use crate::config::Config;
 use crate::error::LogError;
 use crate::{chan, spawn, Receiver, SendError, Sender, WaitGroup};
@@ -117,6 +117,9 @@ pub fn init(config: Config) -> Result<&'static Logger, LogError> {
         receiver_vec.push((r, a));
     }
     for (receiver, appender) in receiver_vec {
+        let append = appender.as_ref();
+        let ptr = append as *const dyn LogAppender;
+        let raw_appender: u128 = unsafe { std::mem::transmute(ptr) };
         spawn(move || {
             let mut exit = false;
             loop {
@@ -137,9 +140,10 @@ pub fn init(config: Config) -> Result<&'static Logger, LogError> {
                         }
                     }
                 }
-                let append = appender.lock();
+                let addr: *const dyn LogAppender = unsafe { std::mem::transmute(raw_appender) };
+                let shared_appender: &dyn LogAppender = unsafe { &*(addr) };
                 for msg in remain {
-                    append.do_logs(msg.as_ref());
+                    shared_appender.do_logs(msg.as_ref());
                     for x in msg.iter() {
                         match x.command {
                             Command::CommandRecord => {}
diff --git a/src/lib.rs b/src/lib.rs
index 7a5baaf..98e090a 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -11,6 +11,7 @@ pub mod formats;
 pub mod plugin;
 pub mod runtime;
 
+
 pub use crate::config::Config;
 pub use crate::fast_log::*;
 pub use crate::formats::*;