use externalProxy of Fallback #656

sub/subService.go

@@ -53,6 +53,7 @@ func (s *SubService) GetSubs(subId string, host string, showInfo bool) ([]string
 				json.Unmarshal([]byte(fallbackMaster.StreamSettings), &masterStream)
 				stream["security"] = masterStream["security"]
 				stream["tlsSettings"] = masterStream["tlsSettings"]
+				stream["externalProxy"] = masterStream["externalProxy"]
 				modifiedStream, _ := json.MarshalIndent(stream, "", "  ")
 				inbound.StreamSettings = string(modifiedStream)
 			}

web/html/xui/inbounds.html

@@ -988,6 +988,7 @@
                         newInbound = newDbInbound.toInbound();
                         newInbound.stream.security = rootInbound.stream.security;
                         newInbound.stream.tls = rootInbound.stream.tls;
+                        newInbound.stream.externalProxy = rootInbound.stream.externalProxy;
                         newDbInbound.streamSettings = newInbound.stream.toString();
                     }
                 }