diff --git a/lua/autorun/metrostroi.lua b/lua/autorun/metrostroi.lua
index 5f98fff..a0e8ddf 100644
--- a/lua/autorun/metrostroi.lua
+++ b/lua/autorun/metrostroi.lua
@@ -354,7 +354,7 @@ if SERVER then
             if not pcall(require,"turbostroi") then
                 if system.IsWindows() then
                     ErrorNoHalt("======================================================\nMetrostroi: Turbostroi library can't be loaded because of missing libraries!\nCheck, that you have Microsoft visual c++ 2010 and 2017 redistributable(x86) installed\nYou can download it from:\n")
-                    MsgC(Color(255,0,0),"https://www.microsoft.com/en-us/download/details.aspx?id=5555\nhttps://aka.ms/vs/15/release/vc_redist.x86.exe\n")
+                    MsgC(Color(255,0,0),"https://www.microsoft.com/en-us/download/details.aspx?id=26999 (2010 x86)\nhttps://aka.ms/vs/15/release/vc_redist.x86.exe (2017 x86)\n")
                     ErrorNoHalt("======================================================\n")
                 else
                     ErrorNoHalt("Metrostroi: Turbostroi library can't be loaded!\n")
@@ -366,7 +366,7 @@ if SERVER then
 			if not pcall(require,"turbostroi") then
                 if system.IsWindows() then
                     ErrorNoHalt("======================================================\nMetrostroi: Turbostroi library can't be loaded because of missing libraries!\nCheck, that you have Microsoft visual c++ 2010 and 2017 redistributable(x64) installed\nYou can download it from:\n")
-                    MsgC(Color(255,0,0),"https://www.microsoft.com/en-us/download/details.aspx?id=5555\nhttps://aka.ms/vs/15/release/vc_redist.x64.exe\n")
+                    MsgC(Color(255,0,0),"https://www.microsoft.com/en-us/download/details.aspx?id=26999 (2010 x64)\nhttps://aka.ms/vs/15/release/vc_redist.x64.exe (2017 x64)\n")
                     ErrorNoHalt("======================================================\n")
                 else
                     ErrorNoHalt("Metrostroi: Turbostroi library can't be loaded!\n")
@@ -378,7 +378,7 @@ if SERVER then
             ErrorNoHalt("======================================================\nMetrostroi: Turbostroi DLL not found.\nYou can found turbostroi for Windows at \n")
             MsgC(Color(255,0,0),"https://metrostroi.net/turbostroi\n")
             ErrorNoHalt("Just place this .dll to garrysmod/lua/bin folder.\nIf bin folder doesn't exists - create it.\nDon't forget to install Microsoft visual c++ 2010 and 2017 redistributable(x86)\nYou can download it from:\n")
-            MsgC(Color(255,0,0),"https://www.microsoft.com/en-us/download/details.aspx?id=5555\nhttps://aka.ms/vs/15/release/vc_redist.x86.exe\n")
+            MsgC(Color(255,0,0),"https://www.microsoft.com/en-us/download/details.aspx?id=26999 (2010 x86)\nhttps://aka.ms/vs/15/release/vc_redist.x86.exe (2017 x86)\n")
             ErrorNoHalt("======================================================\n")
         else
             ErrorNoHalt("Metrostroi: Turbostroi DLL not found.\n")
diff --git a/lua/entities/gmod_track_udochka/init.lua b/lua/entities/gmod_track_udochka/init.lua
index 3186b87..c6f9e1c 100644
--- a/lua/entities/gmod_track_udochka/init.lua
+++ b/lua/entities/gmod_track_udochka/init.lua
@@ -22,13 +22,15 @@ local function removeWeldBetweenEnts(ent1,ent2)
 	end
 end
 function ENT:Use(ply)
-	if self.Coupled then
+	if IsValid(self.Coupled) then
 		sound.Play("buttons/lever8.wav",self:GetPos())
 		removeWeldBetweenEnts(self,self.Coupled)
 		removeWeldBetweenEnts(self.Coupled,self)
 
+		self.Coupled.Connectors[self.ConnectorID] = nil
 		self.Timer = CurTime()+2
 	end
+	self.ConnectorID = nil
 	self.Coupled = nil
 	if ( self:IsPlayerHolding() ) then return end
 	if ply.PickupObject then ply:PickupObject( self ) end
diff --git a/lua/entities/gmod_train_bogey/init.lua b/lua/entities/gmod_train_bogey/init.lua
index 37ce450..de2cc44 100644
--- a/lua/entities/gmod_train_bogey/init.lua
+++ b/lua/entities/gmod_train_bogey/init.lua
@@ -392,16 +392,10 @@ function ENT:CheckContact(pos,dir,id,cpos)
                 traceEnt:SetPos(self:LocalToWorld(cpos))
                 traceEnt:SetAngles(self:GetAngles())
                 traceEnt.Coupled = self
+                traceEnt.ConnectorID = id
                 sound.Play("udochka_connect.wav",traceEnt:GetPos())
                 self.Connectors[id] = traceEnt
                 DropEntityIfHeld(traceEnt)
-                --[[timer.Simple(0,function()
-                    if not IsValid(traceEnt) or not traceEnt:IsPlayerHolding()  then return end
-                    traceEnt:ForcePlayerDrop()
-                    if traceEnt.LastPickup and traceEnt.LastPickup:IsPlayer()  then
-                        traceEnt.LastPickup:DropObject()
-                    end
-                end)]]
             end
         end
         return false
diff --git a/lua/metrostroi/maps/loopline.lua b/lua/metrostroi/maps/loopline.lua
index f5fea73..f1984f3 100644
--- a/lua/metrostroi/maps/loopline.lua
+++ b/lua/metrostroi/maps/loopline.lua
@@ -571,9 +571,9 @@ Metrostroi.StationConfigurations = {
         }
     },
     pto = {
-        pto = {"пто","ПТО"},
+        names = {"пто","ПТО"},
         positions = {
             {Vector(-4539,5624,-4597),Angle(0,0,0)},
         }
     }
-}
\ No newline at end of file
+}
diff --git a/models/metrostroi_train/81-502/ema_salon_501.dx80.vtx b/models/metrostroi_train/81-502/ema_salon_501.dx80.vtx
index 2f41e1a..dbbeb15 100644
--- a/models/metrostroi_train/81-502/ema_salon_501.dx80.vtx
+++ b/models/metrostroi_train/81-502/ema_salon_501.dx80.vtx
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:15805b5d08bc68541b59cc76a44b76e84a5577274994f81c21e36cc917be6dbf
-size 842372
+oid sha256:90d6ae8d4f95a8d397d829b395cf86adcae4c1a4a27cb399bf14bbe981370e0f
+size 842225
diff --git a/models/metrostroi_train/81-502/ema_salon_501.dx90.vtx b/models/metrostroi_train/81-502/ema_salon_501.dx90.vtx
index 988c8ee..fbb2863 100644
--- a/models/metrostroi_train/81-502/ema_salon_501.dx90.vtx
+++ b/models/metrostroi_train/81-502/ema_salon_501.dx90.vtx
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:fbc5e62e7b23fe90157654db33cfbf56148551150048dff4a7cbbe3ead2638eb
-size 842372
+oid sha256:a70ff0bf3e3887b45a837fffcd495a4901fa981e720ee23349910512e75311ea
+size 842225
diff --git a/models/metrostroi_train/81-502/ema_salon_501.mdl b/models/metrostroi_train/81-502/ema_salon_501.mdl
index d5c70d5..19a075e 100644
--- a/models/metrostroi_train/81-502/ema_salon_501.mdl
+++ b/models/metrostroi_train/81-502/ema_salon_501.mdl
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:48fc08a3cd5df1f3f74bb0bea66dace3a2aa60bebb2c6f44b4c9db359120b6cd
-size 2152
+oid sha256:3cc554a25074893099edf759a4628ab6987ad181c51b6cc84c3c6abcef3a49ed
+size 2360
diff --git a/models/metrostroi_train/81-502/ema_salon_501.sw.vtx b/models/metrostroi_train/81-502/ema_salon_501.sw.vtx
index 10f35b3..21a37dd 100644
--- a/models/metrostroi_train/81-502/ema_salon_501.sw.vtx
+++ b/models/metrostroi_train/81-502/ema_salon_501.sw.vtx
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:4511de83ded7614d37c17eec2c9eb17b155df8d7fc67248a385d39163914bfea
-size 842348
+oid sha256:e81e94b1d33c0e4ca55d4687a892900d6051c0df4040158a194c32c52f836dc3
+size 842193
diff --git a/models/metrostroi_train/81-502/ema_salon_501.vvd b/models/metrostroi_train/81-502/ema_salon_501.vvd
index 2a12b46..f53b165 100644
--- a/models/metrostroi_train/81-502/ema_salon_501.vvd
+++ b/models/metrostroi_train/81-502/ema_salon_501.vvd
@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:d130ab3039177df74a992550896b621a0ba52b7024de2b6ad490103840da8836
-size 3351408
+oid sha256:af064b35e1a6ee2f1355a8aa7cea64ec4fc5d4038b5a36d83ae16bdd3e5caf9f
+size 3349808