diff --git a/db/ConfigBuilder.cpp b/db/ConfigBuilder.cpp
index 4216649..4760304 100644
--- a/db/ConfigBuilder.cpp
+++ b/db/ConfigBuilder.cpp
@@ -645,6 +645,9 @@ namespace NekoGui {
                     needMux = false;
                 }
             }
+            if (ent->type == "vless" && outbound["flow"] != "") {
+                needMux = false;
+            }
 
             // common
             if (IS_NEKO_BOX) {