From e05de8688262fb6048d29dfcc2e4bc1bbbd0146e Mon Sep 17 00:00:00 2001
From: mxsm <ljbmxsm@gmail.com>
Date: Mon, 23 Oct 2023 23:18:07 +0800
Subject: [PATCH] [ISSUE #41]doc: update README.md doc

---
 README.md | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 679144d..db6a12f 100644
--- a/README.md
+++ b/README.md
@@ -30,7 +30,11 @@ pub trait Service<Cx, Request> {
     type Error;
 
     /// Process the request and return the response asynchronously.
-    async fn call<'s, 'cx>(&'s self, cx: &'cx mut Cx, req: Request) -> Result<Self::Response, Self::Error>;
+    fn call<'s, 'cx>(
+        &'s self,
+        cx: &'cx mut Cx,
+        req: Request,
+    ) -> impl Future<Output = Result<Self::Response, Self::Error>> + Send;
 }
 ```