diff --git a/proto/protofiles_sources/server_car/connect.proto b/proto/protofiles_sources/server_car/connect.proto
index 49df5b9aaa9..3d8efc51af8 100644
--- a/proto/protofiles_sources/server_car/connect.proto
+++ b/proto/protofiles_sources/server_car/connect.proto
@@ -1,17 +1,12 @@
 syntax = "proto3";
 package carkot;
 
-option java_package = "proto.car";
-option java_outer_classname = "Connect";
-
 message ConnectionRequest {
-    string ip = 1;
+    repeated int32 ipValues
     int32 port = 2;
 }
 
 message ConnectionResponse {
     int32 uid = 1;
-    int32 code = 2;
-    string errorMsg = 3;
-    
+    int32 code = 2;   
 }
diff --git a/proto/protofiles_sources/server_car/direction.proto b/proto/protofiles_sources/server_car/direction.proto
index 8a95b0053be..eb312e6ebad 100644
--- a/proto/protofiles_sources/server_car/direction.proto
+++ b/proto/protofiles_sources/server_car/direction.proto
@@ -1,9 +1,6 @@
 syntax = "proto3";
 package carkot;
 
-option java_package = "proto.car";
-option java_outer_classname = "Direction";
-
 message DirectionRequest {
     enum Command {
         stop = 0;
@@ -18,5 +15,4 @@ message DirectionRequest {
 
 message DirectionResponse {
     int32 code = 1;
-    string errorMsg = 2;
 }
diff --git a/proto/protofiles_sources/server_car/location.proto b/proto/protofiles_sources/server_car/location.proto
index 0d477c8217e..20397312b10 100644
--- a/proto/protofiles_sources/server_car/location.proto
+++ b/proto/protofiles_sources/server_car/location.proto
@@ -1,14 +1,10 @@
 syntax = "proto3";
 package carkot;
 
-option java_package = "proto.car";
-option java_outer_classname = "Location";
-
 message LocationResponse {
 
     LocationData locationResponseData = 1;
     int32 code = 2;
-    string errorMsg = 3;
 
     message LocationData {
         double x = 1;
diff --git a/proto/protofiles_sources/server_car/rc_session.proto b/proto/protofiles_sources/server_car/rc_session.proto
index d3b6a456172..e10bdca4575 100644
--- a/proto/protofiles_sources/server_car/rc_session.proto
+++ b/proto/protofiles_sources/server_car/rc_session.proto
@@ -1,19 +1,14 @@
 syntax = "proto3";
 package carkot;
 
-option java_package = "proto.car";
-option java_outer_classname = "RcSession";
-
 //session up request is empty. only URL
 message SessionUpResponse {
     int32 code = 1;
-    string errorMsg = 2;
     int32 sid = 3;
 }
 
 message SessionDownResponse {
     int32 code = 1;
-    string errorMsg = 2;
 }
 
 message SessionDownRequest {
@@ -26,5 +21,4 @@ message HeartBeatRequest {
 
 message HeartBeatResponse {
     int32 code = 1;
-    string errorMsg = 2;
 }
diff --git a/proto/protofiles_sources/server_car/route.proto b/proto/protofiles_sources/server_car/route.proto
index 864845be2f0..4b1437cae32 100644
--- a/proto/protofiles_sources/server_car/route.proto
+++ b/proto/protofiles_sources/server_car/route.proto
@@ -1,19 +1,11 @@
 syntax = "proto3";
 package carkot;
 
-option java_package = "proto.car";
-option java_outer_classname = "Route";
-
 message RouteRequest {
-    repeated WayPoint way_points = 1; 
-
-    message WayPoint {
-        double distance = 2;
-        double angle_delta = 3; 
-    }
+    repeated int32 distances = 1; 
+    repeated int32 angles = 2;
 }
 
 message RouteResponse {
     int32 code = 1;
-    string errorMsg = 2;
 }
diff --git a/proto/protofiles_sources/server_car/route_done.proto b/proto/protofiles_sources/server_car/route_done.proto
index c9b9ab9fdd6..efad77bb7be 100644
--- a/proto/protofiles_sources/server_car/route_done.proto
+++ b/proto/protofiles_sources/server_car/route_done.proto
@@ -1,14 +1,10 @@
 syntax = "proto3";
 package carkot;
 
-option java_package = "proto.car";
-option java_outer_classname = "RouteDone";
-
 message RouteDoneRequest {
     int32 uid = 1;
 }
 
 message RouteDoneResponse {
     int32 code = 1;
-    string errorMsg = 2;
 }