diff --git a/Cargo.toml b/Cargo.toml
index 73b6357..fad78e6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,6 +3,9 @@ name = "r9"
 version = "0.1.0"
 edition = "2021"
 
+#[lib]
+#proc-macro = true
+
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
@@ -10,3 +13,5 @@ protobuf = "2.9.0"
 serde = "*"
 serde_derive = "*"
 serde_json = "*"
+syn = "1.0"
+quote = "1.0"
\ No newline at end of file
diff --git a/src/lib.rs b/src/lib.rs
index 3309fd5..1d94eff 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,12 +1,3 @@
-#[cfg(test)]
-mod tests {
-    #[test]
-    fn it_works() {
-        let result = 2 + 2;
-        assert_eq!(result, 4);
-    }
-}
-
 mod timer;
 mod listhead;
 
diff --git a/src/timer.rs b/src/timer.rs
index b0c51eb..0ff2ce2 100644
--- a/src/timer.rs
+++ b/src/timer.rs
@@ -3,6 +3,32 @@ use std::cell::RefCell;
 use std::any::Any;
 use std::cmp;
 
+#[macro_export]
+macro_rules! my_vec {
+    // 没带任何参数的 my_vec，我们创建一个空的 vec
+    () => {
+        std::vec::Vec::new()
+    };
+
+    // 处理 my_vec![1, 2, 3, 4]
+    ($($el:expr),*) => ({
+        let mut v = std::vec::Vec::new();
+        $(v.push($el);)*
+        v
+    });
+
+    // 处理 my_vec![0; 10]
+    ($el:expr; $n:expr) => {
+        std::vec::from_elem($el, $n)
+    }
+}
+
+/*
+use proc_macro::TokenStream;
+use quote::quote;
+use syn;
+ */
+
 const TVN_BITS: usize = 6;
 const TVR_BITS: usize = 8;
 const TVN_SIZE: usize = 1 << TVN_BITS;
@@ -41,8 +67,36 @@ impl Default for TimerType {
     }
 
 }
+/*
+pub trait EnableSharedFromSelf {
+    fn shared_from_self();
+}
+
+#[proc_macro_derive(crate::EnableSharedFromSelf)]
+pub fn hello_macro_derive(input: TokenStream) -> TokenStream {
+    // Construct a representation of Rust code as a syntax tree
+    // that we can manipulate
+    let ast = syn::parse(input).unwrap();
+
+    // Build the trait implementation
+    impl_hello_macro(&ast)
+}
+
+fn impl_hello_macro(ast: &syn::DeriveInput) -> TokenStream {
+    let name = &ast.ident;
+    let gen = quote! {
+        impl HelloMacro for #name {
+            fn hello_macro() {
+                println!("Hello, Macro! My name is {}!", stringify!(#name));
+            }
+        }
+    };
+    gen.into()
+}
+ */
 
 #[derive(Default)]
+//#[derive(crate::EnableSharedFromSelf)]
 pub struct TimerList {
     holder: TimerListRp,
     wp: Rc::<TimerListRp>,