fix some fool erros

lib/network.js

@@ -233,11 +233,13 @@ function getWindowsDNSsuffixes() {
     exitCode: 0,
     ifaces: [],
   };
-
+  
   try {
     const ipconfig = execSync('ipconfig /all', util.execOptsWin);
-    const ipconfigArray =  ipconfig.output.split('\r\n\r\n');
+    const ipconfigArray =  ipconfig.split('\r\n\r\n');
+
     ipconfigArray.forEach( (element, index) => {
+      
       if(index == 1) {
         const longPrimaryDNS = element.split('\r\n').filter((element) => { 
           return element.toUpperCase().includes('DNS'); 
@@ -261,9 +263,10 @@ function getWindowsDNSsuffixes() {
         }
       }
     });
+   
     return dnsSuffixes;
   } catch (error) {
-    console.log('An error occurred trying to bring the DNS suffixes of the network ifaces', error.message);
+    console.log('An error occurred trying to bring the Connection-specific DNS suffix', error.message);
     return {
       primaryDNS: '',
       exitCode: 0,
@@ -282,11 +285,11 @@ function getWindowsIfaceDNSsuffix(ifaces, ifacename) {
     if(connectionDnsSuffix[0]) {
       dnsSuffix = connectionDnsSuffix[0];
     }
-    if(!dnsSuffix) dnsSuffix = 'not defined';
+    if(!dnsSuffix) dnsSuffix = '';
     return dnsSuffix ;
   } catch (error) {
     console.log('Error getting Connection-specific DNS suffix: ', error.message);
-    return '';
+    return 'Unknow';
   }
 }
 
@@ -582,7 +585,7 @@ function networkInterfaces(callback) {
                 if (iface === 'lo' || iface.startsWith('bond')) { type = 'virtual'; }
               }
               if (_windows) {
-                dnsSuffix = getWindowsIfaceDNSsuffix(dnsSuffixes.ifaces, detail.name);
+                dnsSuffix = getWindowsIfaceDNSsuffix(dnsSuffixes.ifaces, dev);
                 nics.forEach(detail => {
                   if (detail.mac === mac) {
                     ifaceName = detail.name;

test.js

@@ -0,0 +1,8 @@
+const si = require('./lib/network');
+
+async function test(){
+    const result = await si.networkInterfaces();
+    console.log(result);
+}
+
+test();