diff --git a/may_rpc_derive/src/lib.rs b/may_rpc_derive/src/lib.rs
index e76d4d7..262f9e9 100644
--- a/may_rpc_derive/src/lib.rs
+++ b/may_rpc_derive/src/lib.rs
@@ -250,7 +250,7 @@ struct ServiceGenerator<'a> {
     derive_serialize: &'a TokenStream2,
 }
 
-impl<'a> ServiceGenerator<'a> {
+impl ServiceGenerator<'_> {
     fn trait_service(&self) -> TokenStream2 {
         let &Self {
             attrs,
@@ -410,7 +410,7 @@ impl<'a> ServiceGenerator<'a> {
     }
 }
 
-impl<'a> ToTokens for ServiceGenerator<'a> {
+impl ToTokens for ServiceGenerator<'_> {
     fn to_tokens(&self, output: &mut TokenStream2) {
         output.extend(vec![
             self.trait_service(),
diff --git a/src/conetty/frame.rs b/src/conetty/frame.rs
index 318c7b5..5e0e24b 100644
--- a/src/conetty/frame.rs
+++ b/src/conetty/frame.rs
@@ -60,7 +60,7 @@ impl Frame {
         Ok(Frame { id, data })
     }
 
-    /// convert self into raw buf that can be re-send as a frame
+    // /// convert self into raw buf that can be re-send as a frame
     // pub fn finish(self, id: u64) -> Vec<u8> {
     //     let mut cursor = Cursor::new(self.data);