diff --git a/src/main.rs b/src/main.rs
index 735d1a7..977696a 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -127,14 +127,10 @@ fn gemini(
     match storage::Item::from_url(gemini.url.as_str(), &argument.directory) {
         Ok(item) => {
             let mut read: usize = 0;
-            // send header
-            match stream.write_all(
-                &response::success::Default {
-                    mime: item.mime,
-                    data: &[], // init empty
-                }
-                .into_bytes(),
-            ) {
+            // create header packet
+            match stream
+                .write_all(&response::success::default::Meta { mime: item.mime }.into_bytes())
+            {
                 // chunk begin
                 Ok(()) => loop {
                     let mut data = vec![0; argument.chunk];
@@ -184,10 +180,10 @@ fn titan(
     stream: &mut TlsStream<TcpStream>,
 ) {
     use titanite::*;
-    println!("[{}] [info] [{peer}] Request: {}", now(), titan.url);
+    println!("[{}] [info] [{peer}] Request: {}", now(), titan.meta.url);
     // require content type for application,
     // even MIME value is optional by Titan specification
-    let mime = match titan.mime {
+    let mime = match titan.meta.mime {
         Some(mime) => mime,
         None => {
             const MESSAGE: &str = "Content type is required";
@@ -240,7 +236,7 @@ fn titan(
                     }
 
                     // validate client-side limits (from header)
-                    if total > titan.size {
+                    if total > titan.meta.size {
                         if let Err(e) = tmp.delete() {
                             println!("[{}] [error] [{peer}] {e}", now());
                         }
@@ -282,12 +278,12 @@ fn titan(
                             }
 
                             // just to make sure
-                            if total > titan.size {
+                            if total > titan.meta.size {
                                 panic!()
                             }
 
                             // all data received
-                            if titan.size == total {
+                            if titan.meta.size == total {
                                 return match tmp.commit() {
                                     Ok(pmt) => send(
                                         &response::redirect::Permanent {