diff --git a/app/src/leanback/java/com/fongmi/android/tv/ui/base/BaseActivity.java b/app/src/leanback/java/com/fongmi/android/tv/ui/base/BaseActivity.java
index 386e0c1ea..4dda114d0 100644
--- a/app/src/leanback/java/com/fongmi/android/tv/ui/base/BaseActivity.java
+++ b/app/src/leanback/java/com/fongmi/android/tv/ui/base/BaseActivity.java
@@ -16,7 +16,6 @@ import androidx.recyclerview.widget.RecyclerView;
 import androidx.viewbinding.ViewBinding;
 
 import com.bumptech.glide.Glide;
-import com.bumptech.glide.request.RequestOptions;
 import com.bumptech.glide.request.target.CustomTarget;
 import com.bumptech.glide.request.transition.Transition;
 import com.bumptech.glide.signature.ObjectKey;
@@ -115,7 +114,7 @@ public abstract class BaseActivity extends AppCompatActivity {
     }
 
     private void loadWall(File file) {
-        Glide.with(App.get()).load(file).centerCrop().signature(new ObjectKey(file.lastModified())).apply(new RequestOptions().override(ResUtil.getScreenWidth(), ResUtil.getScreenHeight())).into(new CustomTarget<Drawable>() {
+        Glide.with(App.get()).load(file).centerCrop().override(ResUtil.getScreenWidth(), ResUtil.getScreenHeight()).signature(new ObjectKey(com.github.catvod.utils.Util.md5(file))).into(new CustomTarget<Drawable>() {
             @Override
             public void onResourceReady(@NonNull Drawable drawable, @Nullable Transition<? super Drawable> transition) {
                 getWindow().setBackgroundDrawable(drawable);
diff --git a/app/src/main/java/com/fongmi/android/tv/player/ParseJob.java b/app/src/main/java/com/fongmi/android/tv/player/ParseJob.java
index 66c2cb093..40e334c80 100644
--- a/app/src/main/java/com/fongmi/android/tv/player/ParseJob.java
+++ b/app/src/main/java/com/fongmi/android/tv/player/ParseJob.java
@@ -1,5 +1,7 @@
 package com.fongmi.android.tv.player;
 
+import android.text.TextUtils;
+
 import com.fongmi.android.tv.App;
 import com.fongmi.android.tv.Constant;
 import com.fongmi.android.tv.api.config.VodConfig;
@@ -61,8 +63,9 @@ public class ParseJob implements ParseCallback {
     }
 
     private String getClick(Result result) {
-        if (result.getClick().length() > 0) return result.getClick();
-        return VodConfig.get().getSite(result.getKey()).getClick();
+        String click = VodConfig.get().getSite(result.getKey()).getClick();
+        if (!TextUtils.isEmpty(click)) return click;
+        return result.getClick();
     }
 
     private void execute(Result result) {
diff --git a/catvod/src/main/java/com/github/catvod/utils/Util.java b/catvod/src/main/java/com/github/catvod/utils/Util.java
index 56425987a..53978bf6e 100644
--- a/catvod/src/main/java/com/github/catvod/utils/Util.java
+++ b/catvod/src/main/java/com/github/catvod/utils/Util.java
@@ -75,12 +75,11 @@ public class Util {
 
     public static String md5(File file) {
         try {
-            if (!file.exists()) return "";
             MessageDigest digest = MessageDigest.getInstance("MD5");
             FileInputStream fis = new FileInputStream(file);
-            byte[] byteArray = new byte[1024];
+            byte[] bytes = new byte[4096];
             int count;
-            while ((count = fis.read(byteArray)) != -1) digest.update(byteArray, 0, count);
+            while ((count = fis.read(bytes)) != -1) digest.update(bytes, 0, count);
             fis.close();
             StringBuilder sb = new StringBuilder();
             for (byte b : digest.digest()) sb.append(Integer.toString((b & 0xff) + 0x100, 16).substring(1));