diff --git a/neutauri_bundler/Cargo.toml b/neutauri_bundler/Cargo.toml
index a0d2b2a..9e49aaa 100644
--- a/neutauri_bundler/Cargo.toml
+++ b/neutauri_bundler/Cargo.toml
@@ -11,3 +11,7 @@ new_mime_guess = "4.0"
 serde = {version = "1.0", features = ["derive"]}
 toml = "0.5"
 wry = "0.12"
+
+[profile.release.package.wry]
+debug = true
+debug-assertions = true
\ No newline at end of file
diff --git a/neutauri_bundler/src/bundle.rs b/neutauri_bundler/src/bundle.rs
new file mode 100644
index 0000000..f885186
--- /dev/null
+++ b/neutauri_bundler/src/bundle.rs
@@ -0,0 +1,49 @@
+use crate::data;
+use std::{fs, io::Write};
+
+#[cfg(windows)]
+const RUNTIME_DATA: &[u8] = include_bytes!("../../target/release/neutauri_runtime.exe");
+#[cfg(not(windows))]
+const RUNTIME_DATA: &[u8] = include_bytes!("../../target/release/neutauri_runtime");
+
+fn options() -> fs::OpenOptions {
+    #[cfg(not(windows))]
+    use std::os::unix::prelude::OpenOptionsExt;
+    let mut options = fs::OpenOptions::new();
+    options.write(true);
+    options.create(true);
+    options.truncate(true);
+    #[cfg(not(windows))]
+    options.mode(0o755);
+    options
+}
+
+pub fn bundle(config_path: String) -> std::io::Result<()> {
+    let config_path = std::path::Path::new(&config_path).canonicalize()?;
+    let config: data::Config = toml::from_str(fs::read_to_string(&config_path)?.as_str())
+        .map_err(|e| std::io::Error::new(std::io::ErrorKind::Other, e))?;
+    let source = match config_path.parent() {
+        Some(path) => path.join(&config.source).canonicalize()?,
+        None => config.source.canonicalize()?,
+    };
+    let target = match config_path.parent() {
+        Some(path) => data::normalize_path(&path.join(&config.target)),
+        None => data::normalize_path(&config.target),
+    };
+    let target = if target.extension() == None && cfg!(windows) {
+        target.with_extension("exe")
+    } else {
+        target
+    };
+    if target.extension() == Some(std::ffi::OsStr::new("neu")) {
+        data::pack(config_path)?;
+        return Ok(());
+    }
+    let data = data::Data::build_from_dir(source, config.window_attr()?, config.webview_attr()?)?;
+    let mut f = options().open(&target)?;
+    f.write_all(RUNTIME_DATA)?;
+    f.write_all(&data)?;
+    f.sync_all()?;
+    f.flush()?;
+    Ok(())
+}
diff --git a/neutauri_bundler/src/main.rs b/neutauri_bundler/src/main.rs
index 7354f2e..d0f4014 100644
--- a/neutauri_bundler/src/main.rs
+++ b/neutauri_bundler/src/main.rs
@@ -1,65 +1,10 @@
-use std::{fs, io::Write};
-
+mod bundle;
 mod data;
 
-#[cfg(windows)]
-const RUNTIME_DATA: &[u8] = include_bytes!("../../target/release/neutauri_runtime.exe");
-#[cfg(not(windows))]
-const RUNTIME_DATA: &[u8] = include_bytes!("../../target/release/neutauri_runtime");
-
-#[cfg(not(windows))]
-fn options() -> fs::OpenOptions {
-    use std::os::unix::prelude::OpenOptionsExt;
-    let mut options = fs::OpenOptions::new();
-    options.write(true);
-    options.create(true);
-    options.truncate(true);
-    options.mode(0o755);
-    options
-}
-
-#[cfg(windows)]
-fn options() -> fs::OpenOptions {
-    let mut options = fs::OpenOptions::new();
-    options.write(true);
-    options.create(true);
-    options.truncate(true);
-    options
-}
-
-fn main() -> wry::Result<()> {
+fn main() -> std::io::Result<()> {
     let arg = std::env::args()
         .nth(1)
         .unwrap_or_else(|| "neutauri.toml".into());
-    if arg == "--help" || arg == "-h" {
-        println!("Usage: neutauri_bundler [neutauri.toml]");
-        return Ok(());
-    }
-    let config_path = std::path::Path::new(&arg).canonicalize()?;
-    let config: data::Config = toml::from_str(fs::read_to_string(&config_path)?.as_str())
-        .map_err(|e| std::io::Error::new(std::io::ErrorKind::Other, e))?;
-    let source = match config_path.parent() {
-        Some(path) => path.join(&config.source).canonicalize()?,
-        None => config.source.canonicalize()?,
-    };
-    let target = match config_path.parent() {
-        Some(path) => data::normalize_path(&path.join(&config.target)),
-        None => data::normalize_path(&config.target),
-    };
-    let target = if target.extension() == None && cfg!(windows) {
-        target.with_extension("exe")
-    } else {
-        target
-    };
-    if target.extension() == Some(std::ffi::OsStr::new("neu")) {
-        data::pack(arg)?;
-        return Ok(());
-    }
-    let data = data::Data::build_from_dir(source, config.window_attr()?, config.webview_attr()?)?;
-    let mut f = options().open(&target)?;
-    f.write_all(RUNTIME_DATA)?;
-    f.write_all(&data)?;
-    f.sync_all()?;
-    f.flush()?;
+    bundle::bundle(arg)?;
     Ok(())
 }