diff --git a/src/configs/ConfigBuilder.cpp b/src/configs/ConfigBuilder.cpp
index e50d40b..31e5619 100644
--- a/src/configs/ConfigBuilder.cpp
+++ b/src/configs/ConfigBuilder.cpp
@@ -386,6 +386,10 @@ namespace NekoGui {
             needMux = false;
         }
 
+        if (ent->type == "vless" && outbound["flow"] != "") {
+            needMux = false;
+        }
+
         // common
         // apply domain_strategy
         outbound["domain_strategy"] = dataStore->routing->outbound_domain_strategy;