diff --git a/app/src/main/java/org/itxtech/daedalus/fragment/DnsTestFragment.java b/app/src/main/java/org/itxtech/daedalus/fragment/DnsTestFragment.java
index 0182c1c..2fb205d 100644
--- a/app/src/main/java/org/itxtech/daedalus/fragment/DnsTestFragment.java
+++ b/app/src/main/java/org/itxtech/daedalus/fragment/DnsTestFragment.java
@@ -175,11 +175,10 @@ public class DnsTestFragment extends ToolbarFragment {
     private static void stopThread() {
         try {
             if (mThread != null) {
-                mThread.join(1);
+                mThread.interrupt();
                 mThread = null;
             }
-        } catch (Exception e) {
-            Log.e(TAG, e.toString());
+        } catch (Exception ignored) {
         }
     }
 
diff --git a/app/src/main/java/org/itxtech/daedalus/fragment/RuleConfigFragment.java b/app/src/main/java/org/itxtech/daedalus/fragment/RuleConfigFragment.java
index 5b797f9..34d0aa2 100644
--- a/app/src/main/java/org/itxtech/daedalus/fragment/RuleConfigFragment.java
+++ b/app/src/main/java/org/itxtech/daedalus/fragment/RuleConfigFragment.java
@@ -213,7 +213,7 @@ public class RuleConfigFragment extends ConfigFragment {
         String ruleDownloadUrl = ((EditTextPreference) findPreference("ruleDownloadUrl")).getText();
 
         if (ruleName.equals("") | ruleType.equals("") | ruleFilename.equals("") | ruleDownloadUrl.equals("")) {
-            Snackbar.make(view, R.string.notice_fill_in_all, Snackbar.LENGTH_LONG)
+            Snackbar.make(view, R.string.notice_fill_in_all, Snackbar.LENGTH_SHORT)
                     .setAction("Action", null).show();
             return false;
         }
@@ -318,7 +318,7 @@ public class RuleConfigFragment extends ConfigFragment {
                         e.printStackTrace();
                     }
 
-                    Snackbar.make(view, R.string.notice_downloaded, Snackbar.LENGTH_LONG)
+                    Snackbar.make(view, R.string.notice_downloaded, Snackbar.LENGTH_SHORT)
                             .setAction("Action", null).show();
                     break;
             }
diff --git a/app/src/main/java/org/itxtech/daedalus/fragment/RulesFragment.java b/app/src/main/java/org/itxtech/daedalus/fragment/RulesFragment.java
index 751d141..c2b2f5c 100644
--- a/app/src/main/java/org/itxtech/daedalus/fragment/RulesFragment.java
+++ b/app/src/main/java/org/itxtech/daedalus/fragment/RulesFragment.java
@@ -50,7 +50,7 @@ public class RulesFragment extends ToolbarFragment implements Toolbar.OnMenuItem
     @Override
     public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
         view = inflater.inflate(R.layout.fragment_rules, container, false);
-        currentType = Rule.TYPE_HOSTS;
+        currentType = Daedalus.configurations.getUsingRuleType();
 
         RecyclerView recyclerView = (RecyclerView) view.findViewById(R.id.recyclerView_rules);
         LinearLayoutManager manager = new LinearLayoutManager(getActivity());
@@ -107,6 +107,7 @@ public class RulesFragment extends ToolbarFragment implements Toolbar.OnMenuItem
         toolbar.inflateMenu(R.menu.rules);
         toolbar.setTitle(R.string.action_rules);
         toolbar.setOnMenuItemClickListener(this);
+        toolbar.getMenu().findItem(R.id.action_change_type).setTitle(Rule.getTypeById(currentType));
     }
 
     @Override
@@ -116,11 +117,10 @@ public class RulesFragment extends ToolbarFragment implements Toolbar.OnMenuItem
         if (id == R.id.action_change_type) {
             if (currentType == Rule.TYPE_HOSTS) {
                 currentType = Rule.TYPE_DNAMASQ;
-                item.setTitle("DNSMasq");
             } else if (currentType == Rule.TYPE_DNAMASQ) {
                 currentType = Rule.TYPE_HOSTS;
-                item.setTitle("Hosts");
             }
+            toolbar.getMenu().findItem(R.id.action_change_type).setTitle(Rule.getTypeById(currentType));
             adapter.notifyDataSetChanged();
         }
         return true;
diff --git a/app/src/main/java/org/itxtech/daedalus/util/Configurations.java b/app/src/main/java/org/itxtech/daedalus/util/Configurations.java
index c3da8e2..14d1d1e 100644
--- a/app/src/main/java/org/itxtech/daedalus/util/Configurations.java
+++ b/app/src/main/java/org/itxtech/daedalus/util/Configurations.java
@@ -97,6 +97,24 @@ public class Configurations {
         return hostsRules;
     }
 
+    public int getUsingRuleType() {
+        if (hostsRules != null && hostsRules.size() > 0) {
+            for (Rule rule : hostsRules) {
+                if (rule.isUsing()) {
+                    return Rule.TYPE_HOSTS;
+                }
+            }
+        }
+        if (dnsmasqRules != null && dnsmasqRules.size() > 0) {
+            for (Rule rule : dnsmasqRules) {
+                if (rule.isUsing()) {
+                    return Rule.TYPE_DNAMASQ;
+                }
+            }
+        }
+        return Rule.TYPE_HOSTS;
+    }
+
     public static Configurations load(File file) {
         Configurations.file = file;
         Configurations config = null;