diff --git a/app/src/main/java/org/itxtech/daedalus/fragment/DNSServerConfigFragment.java b/app/src/main/java/org/itxtech/daedalus/fragment/DNSServerConfigFragment.java
index f09a865..b221833 100644
--- a/app/src/main/java/org/itxtech/daedalus/fragment/DNSServerConfigFragment.java
+++ b/app/src/main/java/org/itxtech/daedalus/fragment/DNSServerConfigFragment.java
@@ -123,10 +123,4 @@ public class DNSServerConfigFragment extends ConfigFragment {
 
         return true;
     }
-
-    @Override
-    public void onDestroy() {
-        super.onDestroy();
-        Daedalus.configurations.save();
-    }
 }
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 b7d1691..1ae452e 100644
--- a/app/src/main/java/org/itxtech/daedalus/fragment/RuleConfigFragment.java
+++ b/app/src/main/java/org/itxtech/daedalus/fragment/RuleConfigFragment.java
@@ -61,7 +61,6 @@ public class RuleConfigFragment extends ConfigFragment {
     public void onDestroy() {
         super.onDestroy();
 
-        Daedalus.configurations.save();
         stopThread();
         intent = null;
         mHandler.shutdown();