diff --git a/Cargo.toml b/Cargo.toml
index d7a1426..b62fe90 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,6 +7,8 @@ edition = "2021"
 
 [dependencies]
 rfd = "0.11"
-whisper-rs = "0.8"
-hound = "3"
-tokio = { version = "1", features = ["rt-multi-thread"] }
\ No newline at end of file
+tokio = { version = "1", features = ["rt-multi-thread"] }
+eframe = "0.22"
+egui = "0.22"
+font-kit = "0.11"
+whisper_cli = "0.1"
\ No newline at end of file
diff --git a/src/font.rs b/src/font.rs
new file mode 100644
index 0000000..9f47acb
--- /dev/null
+++ b/src/font.rs
@@ -0,0 +1,22 @@
+use font_kit::source::SystemSource;
+
+pub fn load_fonts(ctx: &egui::Context) {
+    let sys = SystemSource::new();
+    let font_name = format!("SimHei");
+    let font = sys.select_family_by_name(&font_name).unwrap().fonts()[0]
+        .load()
+        .unwrap()
+        .copy_font_data()
+        .unwrap()
+        .to_vec();
+    let mut font_defs = egui::FontDefinitions::default();
+    font_defs
+        .font_data
+        .insert(font_name.to_string(), egui::FontData::from_owned(font));
+    font_defs
+        .families
+        .get_mut(&egui::FontFamily::Proportional)
+        .unwrap()
+        .insert(0, font_name);
+    ctx.set_fonts(font_defs);
+}
\ No newline at end of file
diff --git a/src/main.rs b/src/main.rs
index 916c513..3c59258 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,109 +1,24 @@
-use std::{env, fs, io, thread};
-use std::io::Error;
-use std::io::ErrorKind;
-use std::path::PathBuf;
-use std::process::Command;
-use std::sync::{Arc, Mutex};
-use tokio::runtime::Runtime;
+use eframe::NativeOptions;
+use egui::Vec2;
+use crate::ui::Conv;
 
-#[derive(Debug, Clone, Default)]
-struct Files {
-    audio: Option<PathBuf>,
-    image: Option<PathBuf>,
-    subtitle: Option<PathBuf>,
-}
+mod ui;
+mod font;
+mod utils;
 
-#[derive(Debug, Clone)]
-struct Conv {
-    rt: Arc<Runtime>,
-    files: Arc<Mutex<Files>>,
+fn main() {
+    run();
 }
 
-impl Conv {
-    pub fn new() -> Self {
-        let rt = tokio::runtime::Builder::new_multi_thread()
-            .enable_all()
-            .build()
-            .unwrap();
-        Self {
-            rt: Arc::new(rt),
-            files: Arc::new(Mutex::new(Files::default())),
-        }
-    }
-
-    fn open_audio(&self) {
-        let mut audio = self.files.clone();
-        // thread::spawn(move || {
-        if let Some(path) = rfd::FileDialog::new()
-            .pick_file() {
-            audio.lock().unwrap().audio = Some(path);
-        }
-        // });
-    }
-
-    fn open_image(&self) {
-        let mut image = self.files.clone();
-        thread::spawn(move || {
-            if let Some(path) = rfd::FileDialog::new()
-                .pick_file() {
-                image.lock().unwrap().image = Some(path);
-            }
-        });
-    }
-
-    fn open_subtitle(&self) {
-        let mut subtitle = self.files.clone();
-        thread::spawn(move || {
-            if let Some(path) = rfd::FileDialog::new()
-                .pick_file() {
-                subtitle.lock().unwrap().subtitle = Some(path);
-            }
-        });
-    }
-}
-
-fn main() -> io::Result<()> {
-    let current = env::current_dir()?;
-    let mut con = Conv::new();
-    con.rt.spawn(async move {
-        println!("OK");
-    });
-
-    con.open_audio();
-
-    let output = current.join("output.mp4");
-    if output.exists() {
-        fs::remove_file(output).unwrap_or(());
-    }
-    let ffmpeg = current.join("ffmpeg");
-    let mut cmd = Command::new(&ffmpeg);
-
-    if let Some(ref image) = con.files.lock().unwrap().image {
-        cmd
-            .arg("-loop")
-            .arg("1")
-            .arg("-i")
-            .arg(image);
-    }
-
-    if let Some(ref audio) = con.files.lock().unwrap().audio {
-        cmd
-            .arg("-i")
-            .arg(audio);
-    } else {
-        return Err(Error::from(ErrorKind::Other));
-    }
-
-    cmd
-        .arg("-shortest")
-        .arg("output.mp4");
-
-    let exit_status = cmd
-        .spawn()?
-        .wait()?;
-
-    return match exit_status.success() {
-        true => Ok(()),
-        false => Err(Error::from(ErrorKind::Unsupported)),
+fn run() {
+    let option = NativeOptions {
+        icon_data: None,
+        initial_window_size: Some(Vec2::new(400.0, 300.0)),
+        follow_system_theme: true,
+        centered: true,
+        resizable: false,
+        ..NativeOptions::default()
     };
+    eframe::run_native("Conv", option, Box::new(|cc| Box::new(Conv::new(cc))))
+        .unwrap();
 }
diff --git a/src/ui.rs b/src/ui.rs
new file mode 100644
index 0000000..7ae92fe
--- /dev/null
+++ b/src/ui.rs
@@ -0,0 +1,131 @@
+use std::path::PathBuf;
+use std::sync::{Arc, Mutex};
+use std::thread;
+use eframe::{CreationContext, Frame};
+use egui::{Context, FontId};
+use egui::FontFamily::Proportional;
+use egui::TextStyle::*;
+use tokio::runtime::Runtime;
+use crate::font::load_fonts;
+
+#[derive(Debug, Clone)]
+pub struct Conv {
+    rt: Arc<Runtime>,
+    files: Arc<Mutex<Files>>,
+}
+
+#[derive(Debug, Clone, Default)]
+struct Files {
+    audio: Option<PathBuf>,
+    image: Option<PathBuf>,
+    subtitle: Option<PathBuf>,
+}
+
+impl Conv {
+    pub fn new(cc: &CreationContext) -> Self {
+        load_fonts(&cc.egui_ctx);
+        let mut style = (*cc.egui_ctx.style()).clone();
+        style.text_styles = [
+            (Heading, FontId::new(30.0, Proportional)),
+            (Name("Heading2".into()), FontId::new(25.0, Proportional)),
+            (Name("Context".into()), FontId::new(23.0, Proportional)),
+            (Body, FontId::new(18.0, Proportional)),
+            (Monospace, FontId::new(14.0, Proportional)),
+            (Button, FontId::new(14.0, Proportional)),
+            (Small, FontId::new(10.0, Proportional)),
+        ]
+            .into();
+        cc.egui_ctx.set_style(style);
+
+        let rt = tokio::runtime::Builder::new_multi_thread()
+            .enable_all()
+            .build()
+            .unwrap();
+        Self {
+            rt: Arc::new(rt),
+            files: Default::default(),
+        }
+    }
+
+    fn open_audio(files: Arc<Mutex<Files>>) {
+        thread::spawn(move || {
+            if let Some(path) = rfd::FileDialog::new()
+                .add_filter("Audio File", &["mp3", "wav"])
+                .pick_file() {
+                files.lock().unwrap().audio = Some(path);
+            }
+        });
+    }
+
+    fn open_image(files: Arc<Mutex<Files>>) {
+        thread::spawn(move || {
+            if let Some(path) = rfd::FileDialog::new()
+                .add_filter("Image File", &["jpg", "png"])
+                .pick_file() {
+                files.lock().unwrap().image = Some(path);
+            }
+        });
+    }
+
+    fn open_subtitle(files: Arc<Mutex<Files>>) {
+        thread::spawn(move || {
+            if let Some(path) = rfd::FileDialog::new()
+                .add_filter("Subtitle File", &["srt", "lrc", "vtt"])
+                .pick_file() {
+                files.lock().unwrap().subtitle = Some(path);
+            }
+        });
+    }
+}
+
+impl eframe::App for Conv {
+    fn update(&mut self, ctx: &Context, _: &mut Frame) {
+        ctx.request_repaint();
+
+        egui::CentralPanel::default().show(ctx, |ui| {
+            ui.vertical_centered(|ui| ui.heading("Conv"));
+
+            ui.separator();
+
+            ui.horizontal(|ui| {
+                ui.label("选择音频");
+                if ui.button("打开").clicked() {
+                    Conv::open_audio(self.files.clone());
+                }
+            });
+            ui.label(format!("音频: {}", if let Some(ref p) = self.files.lock().unwrap().audio {
+                p.to_str().unwrap()
+            } else {
+                "None"
+            }));
+
+            ui.horizontal(|ui| {
+                ui.label("选择背景图片");
+                if ui.button("打开").clicked() {
+                    Conv::open_image(self.files.clone());
+                }
+            });
+            ui.label(format!("背景图片: {}", if let Some(ref p) = self.files.lock().unwrap().image {
+                p.to_str().unwrap()
+            } else {
+                "None"
+            }));
+
+            ui.horizontal(|ui| {
+                ui.label("选择字幕");
+                if ui.button("打开").clicked() {
+                    Conv::open_subtitle(self.files.clone());
+                }
+            });
+            ui.label(format!("字幕: {}", if let Some(ref p) = self.files.lock().unwrap().subtitle {
+                p.to_str().unwrap()
+            } else {
+                "None"
+            }));
+
+            ui.separator();
+
+
+        });
+    }
+}
\ No newline at end of file
diff --git a/src/utils.rs b/src/utils.rs
new file mode 100644
index 0000000..ef20dfd
--- /dev/null
+++ b/src/utils.rs
@@ -0,0 +1,45 @@
+use std::{env, fs::File, io::{BufRead, BufReader, Write}};
+use std::path::{Path, PathBuf};
+
+fn is_number(s: &str) -> bool {
+    s.chars().all(|c| c.is_digit(10))
+}
+
+// 将srt时间格式转换为lrc时间格式
+fn format_time(time: &str) -> String {
+    let msec = &time[9..12];
+    let sec = &time[6..8];
+    let min = &time[3..5];
+
+    format!("[{}:{}.{:.2}]", min, sec, msec)
+}
+
+fn srt2lrc(path: &str) -> Result<(), Box<dyn std::error::Error>> {
+    let output_filename = Path::new(path).with_extension("lrc");
+
+    let file = File::open(path)?;
+    let reader = BufReader::new(file);
+    let lines = reader.lines().filter_map(|l| l.ok());
+
+    let lrc_content = lines.fold(String::new(), |lrc, line| {
+        if is_number(&line) {
+            // 行号
+            lrc
+        } else if line.is_empty() {
+            // 空行
+            lrc
+        } else {
+            // 时间和文本内容
+            let time = line.split_whitespace().nth(0).unwrap();
+            let text = line.splitn(2, char::is_whitespace).nth(1).unwrap();
+
+            let lrc_time = format_time(time);
+            format!("{}{}\n", lrc, lrc_time + " " + text)
+        }
+    });
+
+    let mut output_file = File::create(output_filename)?;
+    output_file.write_all(lrc_content.as_bytes())?;
+
+    Ok(())
+}