diff --git a/.zed/settings.json b/.zed/settings.json
index dbfdc19..7fa4b35 100644
--- a/.zed/settings.json
+++ b/.zed/settings.json
@@ -8,30 +8,25 @@
   "formatter": "auto",
   "format_on_save": "off",
   "tab_size": 2,
-  "file_scan_exclusions": [
-    "/*-lock",
-    "/node_modules",
-    "/build"
-  ],
   "languages": {
     "TypeScript": {
-      "hard_tabs": false
-      "format_on_save": true,
+      "hard_tabs": false,
+      "format_on_save": "on",
       "code_actions_on_format": {
         "source.organizeImports": true,
         "source.removeUnusedImports": true
       }
     },
     "JavaScript": {
-      "hard_tabs": false
-      "format_on_save": true,
+      "hard_tabs": false,
+      "format_on_save": "on",
       "code_actions_on_format": {
         "source.organizeImports": true,
         "source.removeUnusedImports": true
       }
     },
     "Go": {
-      "format_on_save": true
+      "format_on_save": "on"
     },
     "C++": {
       "hard_tabs": false
diff --git a/addon/genKey/wgkeys.cpp b/addon/genKey/wgkeys.cpp
index fbb3e15..11fac53 100644
--- a/addon/genKey/wgkeys.cpp
+++ b/addon/genKey/wgkeys.cpp
@@ -1,4 +1,5 @@
 #include "wgkeys.hh"
+#include <cstdio>
 #include <errno.h>
 #include <fcntl.h>
 #include <iostream>
@@ -330,15 +331,16 @@ std::string wgKeys::toHex(const std::string &keyBase64) {
   wg_key key;
   wgKeys::stringToKey(key, keyBase64);
   char hex[65];
-  for (int i = 0; i < 32; ++i) sprintf(hex + i * 2, "%02x", key[i]);
+  // for (int i = 0; i < 32; ++i) sprintf(hex + i * 2, "%02x", key[i]);
+  for (int i = 0; i < 32; ++i) snprintf(hex + i * 2, 3, "%02x", key[i]);
   hex[64] = '\0';
   return std::string(hex);
 }
 
 std::string wgKeys::HextoBase64(const std::string &s_hex) {
   wg_key key;
-  for(unsigned i = 0, uchr ; i < s_hex.length() ; i += 2) {
-    sscanf( s_hex.c_str()+ i, "%2x", &uchr); // conversion
+  for(unsigned i = 0, uchr; i < s_hex.length(); i += 2) {
+    sscanf(s_hex.c_str() + i, "%2x", &uchr); // conversion
     key[i/2] = uchr; // save as char
   }
   return wgKeys::toString(key);
diff --git a/addon/userspace/go/main.go b/addon/userspace/go/main.go
index 66ad85a..e8abf51 100644
--- a/addon/userspace/go/main.go
+++ b/addon/userspace/go/main.go
@@ -14,9 +14,6 @@ import (
 
 func main() {}
 
-// Default log level to print in terminal
-const levelLog = device.LogLevelSilent
-
 func getCharErr(err error) *C.char {
 	if err == nil {
 		return C.CString("")
@@ -63,10 +60,12 @@ func stopWg(wgName *C.char) (bool, *C.char) {
 	tunName := C.GoString(wgName)
 	if dev, ok := Devices[tunName]; ok {
 		dev.Close()
+		delete(Devices, tunName)
 		if tun, ok := Tuns[tunName]; ok {
 			if err := tun.Close(); err != nil {
 				return false, getCharErr(err)
 			}
+			delete(Tuns, tunName)
 		}
 		return true, nil
 	}
@@ -76,7 +75,7 @@ func stopWg(wgName *C.char) (bool, *C.char) {
 // Set config in tun, if not exist create and add to Tuns
 //
 //export setWg
-func setWg(wgName, wgConfig *C.char) *C.char {
+func setWg(levelLog int, wgName, wgConfig *C.char) *C.char {
 	tunName, configString := C.GoString(wgName), C.GoString(wgConfig)
 	_, okTuns := Tuns[tunName]
 	_, okDev := Devices[tunName]
diff --git a/addon/userspace/wginterface.cpp b/addon/userspace/wginterface.cpp
index ce3a19c..1564c0a 100644
--- a/addon/userspace/wginterface.cpp
+++ b/addon/userspace/wginterface.cpp
@@ -26,7 +26,7 @@ void IpManeger::GetInInterface(std::string interfaceName) {}
 std::string driveLoad(std::map<std::string, std::string> load) { return ""; }
 
 std::string getWireguardVersion() {
-  return std::string(wgVersion());
+  return std::string("wireguard-go ").append(wgVersion());
 }
 
 void WireguardDevices::getInterfaces() {
@@ -68,7 +68,7 @@ void WireguardConfig::setWireguardConfig() {
     }
   }
 
-  std::string err = setWg((char*)this->name.c_str(), (char*)userspaceConfig.append("\n").c_str());
+  std::string err = setWg(0, (char*)this->name.c_str(), (char*)userspaceConfig.append("\n").c_str());
   if (!err.empty()) throw err;
 }
 
diff --git a/addon/wginterface.hh b/addon/wginterface.hh
index d4611a2..bb37104 100644
--- a/addon/wginterface.hh
+++ b/addon/wginterface.hh
@@ -215,23 +215,4 @@ class WireguardConfig {
   void getWireguardConfig();
 };
 
-namespace WireguardUserspace {
-  // Get Wireguard-go version
-  std::string getWireguardVersion();
-
-  // Close all wireguard tunels
-  void closeAllWireguardTunnels();
-
-  // Create tunel and return path to tunel
-  std::string createWireguardTunnel(std::string wgName);
-
-  // Delete tunel by name and return true if success
-  void deleteWireguardTunnel(std::string wgName);
-
-  // List all tunels
-  std::vector<std::string> listTunnels();
-
-  // Check if tunel exist
-  bool checkIfExistTunnel(std::string wgName);
-};
 #endif
diff --git a/compile_flags.txt b/compile_flags.txt
index cae68be..0ec1c61 100644
--- a/compile_flags.txt
+++ b/compile_flags.txt
@@ -1,5 +1,6 @@
+-std=c++17
 -Iaddon/
 -Iaddon/genKey
 -Inode_modules/node-addon-api
 -I/usr/local/include/node
--std=c++17
\ No newline at end of file
+-I/opt/local/include/node
\ No newline at end of file