diff --git a/vpnadaptercore/src/main/java/com/minhui/vpn/processparse/NetFileManager.java b/vpnadaptercore/src/main/java/com/minhui/vpn/processparse/NetFileManager.java
index e30982e..23f09a0 100755
--- a/vpnadaptercore/src/main/java/com/minhui/vpn/processparse/NetFileManager.java
+++ b/vpnadaptercore/src/main/java/com/minhui/vpn/processparse/NetFileManager.java
@@ -79,6 +79,7 @@ public void execute(String[] cmmand, String directory, int type) throws IOExcept
         s.useDelimiter("\n");
         while (s.hasNextLine()) {
             sTmp = s.nextLine();
+            if (sTmp.startsWith("  sl")) continue;
             netInfo = parseDataNew(sTmp);
             if (netInfo != null) {
                 netInfo.setType(type);
diff --git a/vpnadaptercore/src/main/java/com/minhui/vpn/service/FirewallVpnService.java b/vpnadaptercore/src/main/java/com/minhui/vpn/service/FirewallVpnService.java
index e37cd46..8de1421 100644
--- a/vpnadaptercore/src/main/java/com/minhui/vpn/service/FirewallVpnService.java
+++ b/vpnadaptercore/src/main/java/com/minhui/vpn/service/FirewallVpnService.java
@@ -371,7 +371,7 @@ public void run() {
             udpServer = new UDPServer(this, udpQueue);
             udpServer.start();
             NatSessionManager.clearAllSession();
-            if(PortHostService.getInstance()!=null){
+            if(PortHostService.getInstance()==null){
                 PortHostService.startParse(getApplicationContext());
             }
             DebugLog.i("DnsProxy started.\n");