diff --git a/app/src/leanback/java/com/fongmi/android/tv/ui/activity/SettingActivity.java b/app/src/leanback/java/com/fongmi/android/tv/ui/activity/SettingActivity.java
index 2c379fd88..0f2755709 100644
--- a/app/src/leanback/java/com/fongmi/android/tv/ui/activity/SettingActivity.java
+++ b/app/src/leanback/java/com/fongmi/android/tv/ui/activity/SettingActivity.java
@@ -345,7 +345,8 @@ public class SettingActivity extends BaseActivity implements ConfigCallback, Sit
             @Override
             public void success() {
                 setCacheText();
-                setConfig(VodConfig.get().getConfig().json("").save());
+                Config config = VodConfig.get().getConfig().json("").save();
+                if (!config.isEmpty()) setConfig();
             }
         });
         return true;
diff --git a/app/src/mobile/java/com/fongmi/android/tv/ui/fragment/SettingFragment.java b/app/src/mobile/java/com/fongmi/android/tv/ui/fragment/SettingFragment.java
index ab90f7a25..d9469efe3 100644
--- a/app/src/mobile/java/com/fongmi/android/tv/ui/fragment/SettingFragment.java
+++ b/app/src/mobile/java/com/fongmi/android/tv/ui/fragment/SettingFragment.java
@@ -351,7 +351,8 @@ public class SettingFragment extends BaseFragment implements ConfigCallback, Sit
             @Override
             public void success() {
                 setCacheText();
-                setConfig(VodConfig.get().getConfig().json("").save());
+                Config config = VodConfig.get().getConfig().json("").save();
+                if (!config.isEmpty()) setConfig();
             }
         });
         return true;