diff --git a/src/ffmpeg_interface.rs b/src/ffmpeg_interface.rs
index 51db477..9b90b78 100644
--- a/src/ffmpeg_interface.rs
+++ b/src/ffmpeg_interface.rs
@@ -73,7 +73,7 @@ impl Ffmpeg {
         height: u16,
     ) -> (Option<u32>, Option<u32>) {
         if self.video_process_id.is_some() || self.audio_process_id.is_some() {
-            self.stop_record();
+            //self.stop_record();
         }
 
         self.saved_filename = Some(
@@ -88,14 +88,15 @@ impl Ffmpeg {
                     } else {
                         self.filename.1.text().to_string().trim().to_string()
                     },
-                    self.filename.2.active_id().unwrap())))
+                    self.filename.2.active_id().unwrap()
+                )))
                 .as_path()
                 .display()
                 .to_string(),
         );
 
         let is_file_already_exists =
-            std::path::Path::new(self.saved_filename.clone().unwrap().as_str())
+            std::path::Path::new(&self.saved_filename.clone().unwrap())
                 .exists();
 
         if is_file_already_exists {
@@ -122,7 +123,7 @@ impl Ffmpeg {
             ffmpeg_command.arg("-f");
             ffmpeg_command.arg("pulse");
             ffmpeg_command.arg("-i");
-            ffmpeg_command.arg(self.audio_id.active_id().unwrap());
+            ffmpeg_command.arg(&self.audio_id.active_id().unwrap());
             ffmpeg_command.arg("-f");
             ffmpeg_command.arg("ogg");
             ffmpeg_command.arg(format!(
@@ -221,8 +222,7 @@ impl Ffmpeg {
         )
         .exists();
 
-
-        if is_video_record {
+        if is_video_record  {
             let mut move_command = Command::new("mv");
             move_command.arg(format!(
                 "{}{}",
@@ -311,7 +311,7 @@ impl Ffmpeg {
             self.progress_widget.set_progress(
                 "execute custom command after finish".to_string(),
                 5,
-                6
+                6,
             );
             Exec::shell(self.command.text().trim()).popen().unwrap();
         }
@@ -320,7 +320,6 @@ impl Ffmpeg {
             .progress_widget
             .set_progress("Finish".to_string(), 6, 6);
         self.progress_widget.hide();
-
     }
 
     pub fn play_record(self) {
@@ -334,7 +333,7 @@ impl Ffmpeg {
                     .unwrap();
             } else {
                 Command::new("xdg-open")
-                    .arg(self.saved_filename.as_ref().unwrap())
+                    .arg(self.saved_filename.unwrap())
                     .spawn()
                     .unwrap();
             }
@@ -343,5 +342,5 @@ impl Ffmpeg {
 }
 
 fn is_snap() -> bool {
-    std::env::var("SNAP").unwrap_or_default().is_empty()
+    !std::env::var("SNAP").unwrap_or_default().is_empty()
 }
diff --git a/src/indicator.rs b/src/indicator.rs
new file mode 100644
index 0000000..2a71c9f
--- /dev/null
+++ b/src/indicator.rs
@@ -0,0 +1,2 @@
+// TODO: add timer
+// https://docs.rs/stray/0.1.1/stray/index.html
diff --git a/src/main.rs b/src/main.rs
index e9345fe..65e0ca4 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -111,16 +111,16 @@ pub fn build_ui(application: &Application) {
     command_entry.set_text(&config_management::get("default", "command"));
 
     // CheckBox
-    format_chooser_combobox.append(Some("webm"), &gettext("WEBM (Open Web Media File)"));
+    //format_chooser_combobox.append(Some("webm"), &gettext("WEBM (Open Web Media File)"));
     format_chooser_combobox.append(Some("mp4"), &gettext("MP4 (MPEG-4 Part 14)"));
-    format_chooser_combobox.append(Some("gif"), &gettext("GIF (Graphics Interchange Format)"));
+    //format_chooser_combobox.append(Some("gif"), &gettext("GIF (Graphics Interchange Format)"));
     format_chooser_combobox.append(
         Some("mkv"),
         &gettext("MKV (Matroska multimedia container format)"),
     );
-    format_chooser_combobox.append(Some("avi"), &gettext("AVI (Audio Video Interleaved)"));
-    format_chooser_combobox.append(Some("wmv"), &gettext("WMV (Windows Media Video)"));
-    format_chooser_combobox.append(Some("nut"), &gettext("NUT (NUT Recording Format)"));
+    //format_chooser_combobox.append(Some("avi"), &gettext("AVI (Audio Video Interleaved)"));
+    //format_chooser_combobox.append(Some("wmv"), &gettext("WMV (Windows Media Video)"));
+    //format_chooser_combobox.append(Some("nut"), &gettext("NUT (NUT Recording Format)"));
     format_chooser_combobox.set_active(Some(0));
 
     // get audio sources
@@ -376,7 +376,6 @@ pub fn build_ui(application: &Application) {
     }));
 
     let mut _ffmpeg_record_interface = ffmpeg_record_interface.clone();
-    let mut _area_capture = area_capture.clone();
     let _stop_button = stop_button.clone();
     let _record_button = record_button.clone();
     record_button.connect_clicked(move |_| {
@@ -405,9 +404,8 @@ pub fn build_ui(application: &Application) {
     let _stop_button = stop_button.clone();
     let _play_button = play_button.clone();
     stop_button.connect_clicked(move |_| {
-        let _record_button = record_button.clone();
         _ffmpeg_record_interface.borrow_mut().clone().stop_record();
-        _record_button.show();
+        record_button.show();
         _stop_button.hide();
         _play_button.show();
     });
diff --git a/src/timer.rs b/src/timer.rs
new file mode 100644
index 0000000..e6d2789
--- /dev/null
+++ b/src/timer.rs
@@ -0,0 +1 @@
+// TODO: add timer
diff --git a/src/waylan_interface.rs b/src/waylan_interface.rs
new file mode 100644
index 0000000..da53f84
--- /dev/null
+++ b/src/waylan_interface.rs
@@ -0,0 +1 @@
+// TODO: add wayland screen record support