Fix bug

app/src/main/java/com/fongmi/android/tv/net/Download.java

@@ -35,7 +35,7 @@ public class Download {
             FileUtil.clearDir(file);
             Response response = OkHttp.newCall(url).execute();
             download(response.body().byteStream(), Double.parseDouble(response.header("Content-Length", "1")));
-            App.post(() -> callback.success(file));
+            App.post(() -> callback.success(FileUtil.chmod(file)));
         } catch (Exception e) {
             App.post(() -> callback.error(e.getMessage()));
         }

app/src/main/java/com/fongmi/android/tv/utils/FileUtil.java

@@ -158,12 +158,14 @@ public class FileUtil {
         App.get().startActivity(intent);
     }
 
-    private static void chmod(File file) {
+    public static File chmod(File file) {
         try {
             Process process = Runtime.getRuntime().exec("chmod 777 " + file);
             process.waitFor();
+            return file;
         } catch (Exception e) {
             e.printStackTrace();
+            return file;
         }
     }
 }