From c7e4fc8ef142b6fb4d2f16879764230ae79299f3 Mon Sep 17 00:00:00 2001
From: StellarisW <wx.xw@bytedance.com>
Date: Fri, 11 Oct 2024 11:57:59 +0800
Subject: [PATCH] feat(volo-http): avoid unnecessary router params vec
 expansion (#508)

---
 volo-http/src/server/route/router.rs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/volo-http/src/server/route/router.rs b/volo-http/src/server/route/router.rs
index 6b087d30..a4e41e36 100644
--- a/volo-http/src/server/route/router.rs
+++ b/volo-http/src/server/route/router.rs
@@ -419,7 +419,9 @@ where
     ) -> Result<Self::Response, Self::Error> {
         if let Ok(matched) = self.matcher.at(req.uri().clone().path()) {
             if let Some(route) = self.routes.get(matched.value) {
-                cx.params_mut().extend(matched.params);
+                if !matched.params.is_empty() {
+                    cx.params_mut().extend(matched.params);
+                }
                 return route.call(cx, req).await;
             }
         }