From 34d88850754351c680ba7a26753684be83524e0a Mon Sep 17 00:00:00 2001
From: MHSanaei <ho3ein.sanaei@gmail.com>
Date: Wed, 4 Mar 2026 13:39:14 +0100
Subject: Adjust KCP MTU when selecting xDNS mask

---
 web/html/form/stream/stream_finalmask.html | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

(limited to 'web/html/form/stream/stream_finalmask.html')

diff --git a/web/html/form/stream/stream_finalmask.html b/web/html/form/stream/stream_finalmask.html
index 35962dfa..0b6418b7 100644
--- a/web/html/form/stream/stream_finalmask.html
+++ b/web/html/form/stream/stream_finalmask.html
@@ -18,7 +18,7 @@
             </a-divider>
             <a-form-item label='Type'>
                 <a-select v-model="mask.type"
-                    @change="(type) => mask.settings = mask._getDefaultSettings(type, {})"
+                    @change="(type) => { mask.settings = mask._getDefaultSettings(type, {}); if(inbound.stream.network === 'kcp') { inbound.stream.kcp.mtu = type === 'xdns' ? 900 : 1350; } }"
                     :dropdown-class-name="themeSwitcher.currentTheme">
                     <!-- mKCP-specific masks -->
                     <a-select-option v-if="inbound.stream.network === 'kcp'"
@@ -48,9 +48,9 @@
                     <a-select-option v-if="inbound.stream.network === 'kcp'"
                         value="xicmp">
                         xICMP (Experimental)</a-select-option>
-                    <!-- xDNS for TCP/WS/HTTPUpgrade/XHTTP -->
+                    <!-- xDNS for TCP/WS/HTTPUpgrade/XHTTP/KCP -->
                     <a-select-option
-                        v-if="['tcp', 'ws', 'httpupgrade', 'xhttp'].includes(inbound.stream.network)"
+                        v-if="['tcp', 'ws', 'httpupgrade', 'xhttp', 'kcp'].includes(inbound.stream.network)"
                         value="xdns">
                         xDNS (Experimental)</a-select-option>
                 </a-select>
-- 
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