Fix

v2rayN/ServiceLib/Manager/AppManager.cs

@@ -295,11 +295,12 @@ public sealed class AppManager
                             MultipleLoad = groupItem.MultipleLoad,
                         };
                     }
+                }
 
                 switch (item.ConfigType)
                 {
                     case EConfigType.Shadowsocks:
-                            extra = extra with {SsMethod = item.Security.NullIfEmpty() };
+                        extra = extra with { SsMethod = item.Security.NullIfEmpty() };
                         break;
                     case EConfigType.VMess:
                         extra = extra with
@@ -312,6 +313,7 @@ public sealed class AppManager
                         extra = extra with
                         {
                             Flow = item.Flow.NullIfEmpty(),
+                            VlessEncryption = item.Security,
                         };
                         break;
                     case EConfigType.Hysteria2:
@@ -341,7 +343,8 @@ public sealed class AppManager
                             WgMtu = int.TryParse(item.ShortId, out var mtu) ? mtu : 1280
                         };
                         break;
-                    }
+                    default:
+                        break;
                 }
 
                 item.SetProtocolExtra(extra);

v2rayN/ServiceLib/Services/CoreConfig/Singbox/SingboxOutboundService.cs

@@ -114,13 +114,13 @@ public partial class CoreConfigSingboxService
 
                         outbound.packet_encoding = "xudp";
 
-                        if (protocolExtra.Flow.IsNullOrEmpty())
+                        if (!protocolExtra.Flow.IsNullOrEmpty())
                         {
-                            await GenOutboundMux(node, outbound);
+                            outbound.flow = protocolExtra.Flow;
                         }
                         else
                         {
-                            outbound.flow = protocolExtra.Flow;
+                            await GenOutboundMux(node, outbound);
                         }
 
                         await GenOutboundTransport(node, outbound);

v2rayN/ServiceLib/Services/CoreConfig/V2ray/V2rayOutboundService.cs

@@ -144,13 +144,12 @@ public partial class CoreConfigV2rayService
                         usersItem.email = Global.UserEMail;
                         usersItem.encryption = protocolExtra.VlessEncryption;
 
-                        if (protocolExtra.Flow.IsNullOrEmpty())
+                        if (!protocolExtra.Flow.IsNullOrEmpty())
                         {
-                            await GenOutboundMux(node, outbound, muxEnabled, muxEnabled);
+                            usersItem.flow = protocolExtra.Flow;
                         }
                         else
                         {
-                            usersItem.flow = protocolExtra.Flow;
                             await GenOutboundMux(node, outbound, false, muxEnabled);
                         }
                         outbound.settings.servers = null;