diff --git a/app/src/leanback/java/com/fongmi/android/tv/ui/activity/VodActivity.java b/app/src/leanback/java/com/fongmi/android/tv/ui/activity/VodActivity.java
index 74a0570f9..fdd2f0013 100644
--- a/app/src/leanback/java/com/fongmi/android/tv/ui/activity/VodActivity.java
+++ b/app/src/leanback/java/com/fongmi/android/tv/ui/activity/VodActivity.java
@@ -53,7 +53,7 @@ public class VodActivity extends BaseActivity implements TypePresenter.OnClickLi
         Intent intent = new Intent(activity, VodActivity.class);
         intent.putExtra("key", key);
         intent.putExtra("result", result);
-        for (Map.Entry<String, List<Filter>> entry : result.getFilters().entrySet()) Prefers.put(entry.getKey(), App.gson().toJson(entry.getValue()));
+        for (Map.Entry<String, List<Filter>> entry : result.getFilters().entrySet()) Prefers.put("filter_" + entry.getKey(), App.gson().toJson(entry.getValue()));
         activity.startActivity(intent);
     }
 
@@ -66,7 +66,7 @@ public class VodActivity extends BaseActivity implements TypePresenter.OnClickLi
     }
 
     private List<Filter> getFilter(String typeId) {
-        return Filter.arrayFrom(Prefers.getString(typeId));
+        return Filter.arrayFrom(Prefers.getString("filter_" + typeId));
     }
 
     private Site getSite() {
diff --git a/app/src/leanback/java/com/fongmi/android/tv/ui/fragment/VodFragment.java b/app/src/leanback/java/com/fongmi/android/tv/ui/fragment/VodFragment.java
index 1471c3344..8739c1cf6 100644
--- a/app/src/leanback/java/com/fongmi/android/tv/ui/fragment/VodFragment.java
+++ b/app/src/leanback/java/com/fongmi/android/tv/ui/fragment/VodFragment.java
@@ -80,7 +80,7 @@ public class VodFragment extends BaseFragment implements CustomScroller.Callback
     }
 
     private List<Filter> getFilter() {
-        return Filter.arrayFrom(Prefers.getString(getTypeId()));
+        return Filter.arrayFrom(Prefers.getString("filter_" + getTypeId()));
     }
 
     private HashMap<String, String> getExtend() {
diff --git a/catvod/src/main/java/com/github/catvod/utils/Prefers.java b/catvod/src/main/java/com/github/catvod/utils/Prefers.java
index e93ecb999..dc3c9a1ec 100644
--- a/catvod/src/main/java/com/github/catvod/utils/Prefers.java
+++ b/catvod/src/main/java/com/github/catvod/utils/Prefers.java
@@ -12,30 +12,30 @@ public class Prefers {
         return PreferenceManager.getDefaultSharedPreferences(Init.context());
     }
 
+    public static String getString(String key) {
+        return getString(key, "");
+    }
+
     public static String getString(String key, String defaultValue) {
         return getPrefers().getString(key, defaultValue);
     }
 
-    public static String getString(String key) {
-        return getString(key, "");
+    public static int getInt(String key) {
+        return getInt(key, 0);
     }
 
     public static int getInt(String key, int defaultValue) {
         return getPrefers().getInt(key, defaultValue);
     }
 
-    public static int getInt(String key) {
-        return getInt(key, 0);
+    public static boolean getBoolean(String key) {
+        return getBoolean(key, false);
     }
 
     public static boolean getBoolean(String key, boolean defaultValue) {
         return getPrefers().getBoolean(key, defaultValue);
     }
 
-    public static boolean getBoolean(String key) {
-        return getPrefers().getBoolean(key, false);
-    }
-
     public static void put(String key, Object obj) {
         if (obj == null) return;
         if (obj instanceof String) {
diff --git a/thunder/src/main/java/com/xunlei/downloadlib/XLDownloadManager.java b/thunder/src/main/java/com/xunlei/downloadlib/XLDownloadManager.java
index 7637f2ad6..990f05538 100644
--- a/thunder/src/main/java/com/xunlei/downloadlib/XLDownloadManager.java
+++ b/thunder/src/main/java/com/xunlei/downloadlib/XLDownloadManager.java
@@ -49,7 +49,7 @@ public class XLDownloadManager {
     }
 
     private String getPeerId() {
-        String uuid = Prefers.getString("phoneId5", "");
+        String uuid = Prefers.getString("phoneId5");
         if (uuid.isEmpty()) Prefers.put("phoneId5", uuid = XLUtil.getPeerId());
         return uuid;
     }