From 353809f91cc2ecf86d718489282afe38c1f06966 Mon Sep 17 00:00:00 2001
From: lbl8603 <49143209+lbl8603@users.noreply.github.com>
Date: Thu, 25 Apr 2024 20:04:32 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BC=98=E5=8C=96=E8=B7=AF=E7=94=B1=E6=B7=BB?=
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---
 vnt/src/channel/context.rs | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/vnt/src/channel/context.rs b/vnt/src/channel/context.rs
index 8f47f8b..a18a49e 100644
--- a/vnt/src/channel/context.rs
+++ b/vnt/src/channel/context.rs
@@ -347,6 +347,15 @@ impl RouteTable {
             _ => {}
         }
         let key = route.route_key();
+        if only_if_absent {
+            if let Some((_, list)) = self.route_table.read().get(&id) {
+                for (x, _) in list {
+                    if x.route_key() == key {
+                        return;
+                    }
+                }
+            }
+        }
         let mut route_table = self.route_table.write();
         let (_, list) = route_table
             .entry(id)