diff --git a/src/ffmpeg_interface.rs b/src/ffmpeg_interface.rs
index a956e96..d355f22 100644
--- a/src/ffmpeg_interface.rs
+++ b/src/ffmpeg_interface.rs
@@ -51,7 +51,7 @@ impl ProgressWidget {
     }
 
     pub fn hide(&self) {
-        self.dialog.emit_close();
+        self.dialog.hide();
     }
 }
 
diff --git a/src/main.rs b/src/main.rs
index d61adbc..cc2cd03 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -14,11 +14,12 @@ use glib::signal::Inhibit;
 use gtk::prelude::*;
 use gtk::ComboBoxText;
 use gtk::{
-    AboutDialog, Builder, Button, CheckButton, CssProvider, Entry, FileChooser, Label,
-    MenuItem, SpinButton, Window,
+    AboutDialog, Builder, Button, CheckButton, CssProvider, Entry, FileChooser, Label, MenuItem,
+    SpinButton, Window,
 };
 use libappindicator::{AppIndicator, AppIndicatorStatus};
 use std::cell::RefCell;
+use std::ops::Add;
 use std::path::Path;
 use std::process::{Command, Stdio};
 use std::rc::Rc;
@@ -41,22 +42,30 @@ fn main() {
     if user_interface_path_abs.exists() {
         builder = Builder::from_file(user_interface_path_abs);
     } else {
-        builder = Builder::from_file("interfaces/main.ui");
+        builder = Builder::from_file(
+            std::env::var("INTERFACES_DIR")
+                .unwrap_or(String::from("interfaces/"))
+                .add("main.ui"),
+        );
     }
 
     // translate
+    let mut po_path_abs = {
+        let mut current_exec_dir = std::env::current_exe().unwrap();
+        current_exec_dir.pop();
+        current_exec_dir
+    }
+    .join(Path::new("po"));
+
+    if !po_path_abs.exists() {
+        po_path_abs = std::fs::canonicalize(Path::new(
+            &std::env::var("PO_DIR").unwrap_or(String::from("po")),
+        ))
+        .unwrap();
+    }
+
     setlocale(LocaleCategory::LcAll, "");
-    bindtextdomain(
-        "blue-recorder",
-        {
-            let mut current_exec_dir = std::env::current_exe().unwrap();
-            current_exec_dir.pop();
-            current_exec_dir
-        }
-        .join(Path::new("po"))
-        .to_str()
-        .unwrap(),
-    );
+    bindtextdomain("blue-recorder", po_path_abs.to_str().unwrap());
     textdomain("blue-recorder");
 
     // config initialize
@@ -115,8 +124,7 @@ fn main() {
     format_chooser_combobox.append(Some("avi"), &gettext("AVI (Audio Video Interleaved)"));
     format_chooser_combobox.append(Some("mp4"), &gettext("MP4 (MPEG-4 Part 14)"));
     format_chooser_combobox.append(Some("wmv"), &gettext("WMV (Windows Media Video)"));
-    // TODO: gif not work at this time, fix it!
-    // 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("nut"), &gettext("NUT (NUT Recording Format)"));
     format_chooser_combobox.set_active(Some(0));
 
@@ -292,22 +300,21 @@ fn main() {
     });
 
     // init record struct
-    let ffmpeg_record_interface: Rc<RefCell<Ffmpeg>> =
-        Rc::new(RefCell::new(Ffmpeg {
-            filename: (folder_chooser, filename_entry, format_chooser_combobox),
-            record_video: video_switch,
-            record_audio: audio_switch,
-            audio_id: audio_source_combobox,
-            record_mouse: mouse_switch,
-            follow_mouse: follow_mouse_switch,
-            record_frames: frames_spin,
-            record_delay: delay_spin,
-            command: command_entry,
-            process_id: None,
-            saved_filename: None,
-            unbound: None,
-            progress_widget: ProgressWidget::new(&main_window)
-        }));
+    let ffmpeg_record_interface: Rc<RefCell<Ffmpeg>> = Rc::new(RefCell::new(Ffmpeg {
+        filename: (folder_chooser, filename_entry, format_chooser_combobox),
+        record_video: video_switch,
+        record_audio: audio_switch,
+        audio_id: audio_source_combobox,
+        record_mouse: mouse_switch,
+        follow_mouse: follow_mouse_switch,
+        record_frames: frames_spin,
+        record_delay: delay_spin,
+        command: command_entry,
+        process_id: None,
+        saved_filename: None,
+        unbound: None,
+        progress_widget: ProgressWidget::new(&main_window),
+    }));
 
     // App Indicator
     let mut indicator_icon_path = {
@@ -318,7 +325,12 @@ fn main() {
     .join(Path::new("data/blue-recorder.png"));
 
     if !indicator_icon_path.exists() {
-        indicator_icon_path = std::fs::canonicalize(Path::new("data/blue-recorder.png")).unwrap();
+        indicator_icon_path = std::fs::canonicalize(Path::new(
+            &std::env::var("DATA_DIR")
+                .unwrap_or(String::from("data/"))
+                .add("blue-recorder.png"),
+        ))
+        .unwrap();
     }
 
     let indicator = Rc::new(RefCell::new(AppIndicator::new(