diff --git a/Cargo.lock b/Cargo.lock
index 21d5f59..63b704b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -26,6 +26,21 @@ dependencies = [
  "memchr",
 ]
 
+[[package]]
+name = "android-tzdata"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e999941b234f3131b00bc13c22d06e8c5ff726d1b6318ac7eb276997bbb4fef0"
+
+[[package]]
+name = "android_system_properties"
+version = "0.1.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "819e7219dbd41043ac279b19830f2efc897156490d7fd6ea916720117ee66311"
+dependencies = [
+ "libc",
+]
+
 [[package]]
 name = "anstream"
 version = "0.6.5"
@@ -97,6 +112,7 @@ name = "asset-tool"
 version = "0.1.0"
 dependencies = [
  "anyhow",
+ "chrono",
  "clap",
  "flate2",
  "futures",
@@ -107,6 +123,8 @@ dependencies = [
  "rbx_reflection_database",
  "rbx_xml",
  "reqwest",
+ "serde",
+ "serde_json",
  "tokio",
 ]
 
@@ -201,6 +219,21 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
+[[package]]
+name = "chrono"
+version = "0.4.31"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7f2c685bad3eb3d45a01354cedb7d5faa66194d1d58ba6e267a8de788f79db38"
+dependencies = [
+ "android-tzdata",
+ "iana-time-zone",
+ "js-sys",
+ "num-traits",
+ "serde",
+ "wasm-bindgen",
+ "windows-targets 0.48.5",
+]
+
 [[package]]
 name = "clap"
 version = "4.4.12"
@@ -600,6 +633,29 @@ dependencies = [
  "tokio-native-tls",
 ]
 
+[[package]]
+name = "iana-time-zone"
+version = "0.1.59"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b6a67363e2aa4443928ce15e57ebae94fd8949958fd1223c4cfc0cd473ad7539"
+dependencies = [
+ "android_system_properties",
+ "core-foundation-sys",
+ "iana-time-zone-haiku",
+ "js-sys",
+ "wasm-bindgen",
+ "windows-core",
+]
+
+[[package]]
+name = "iana-time-zone-haiku"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f31827a206f56af32e590ba56d5d2d085f558508192593743f16b2306495269f"
+dependencies = [
+ "cc",
+]
+
 [[package]]
 name = "idna"
 version = "0.2.3"
@@ -913,9 +969,9 @@ checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de"
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.71"
+version = "1.0.75"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "75cb1540fadbd5b8fbccc4dddad2734eba435053f725621c070711a14bb5f4b8"
+checksum = "907a61bd0f64c2f29cd1cf1dc34d05176426a3f504a78010f08416ddb7b13708"
 dependencies = [
  "unicode-ident",
 ]
@@ -957,9 +1013,9 @@ dependencies = [
 
 [[package]]
 name = "quote"
-version = "1.0.33"
+version = "1.0.35"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5267fca4496028628a95160fc423a33e8b2e6af8a5302579e322e4b520293cae"
+checksum = "291ec9ab5efd934aaf503a6466c5d5251535d108ee747472c3977cc5acc868ef"
 dependencies = [
  "proc-macro2",
 ]
@@ -1230,18 +1286,18 @@ dependencies = [
 
 [[package]]
 name = "serde"
-version = "1.0.193"
+version = "1.0.194"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "25dd9975e68d0cb5aa1120c288333fc98731bd1dd12f561e468ea4728c042b89"
+checksum = "0b114498256798c94a0689e1a15fec6005dee8ac1f41de56404b67afc2a4b773"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.193"
+version = "1.0.194"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "43576ca501357b9b071ac53cdc7da8ef0cbd9493d8df094cd821777ea6e894d3"
+checksum = "a3385e45322e8f9931410f01b3031ec534c3947d0e94c18049af4d9f9907d4e0"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1250,9 +1306,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.108"
+version = "1.0.111"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3d1c7e3eac408d115102c4c24ad393e0821bb3a5df4d506a80f85f7a742a526b"
+checksum = "176e46fa42316f18edd598015a5166857fc835ec732f5215eac6b7bdbf0a84f4"
 dependencies = [
  "itoa",
  "ryu",
@@ -1298,9 +1354,9 @@ checksum = "73473c0e59e6d5812c5dfe2a064a6444949f089e20eec9a2e5506596494e4623"
 
 [[package]]
 name = "syn"
-version = "2.0.43"
+version = "2.0.48"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ee659fb5f3d355364e1f3e5bc10fb82068efbf824a1e9d1c9504244a6469ad53"
+checksum = "0f3531638e407dfc0814761abb7c00a5b54992b849452a0646b7f65c9f770f3f"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1629,6 +1685,15 @@ dependencies = [
  "wasm-bindgen",
 ]
 
+[[package]]
+name = "windows-core"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "33ab640c8d7e35bf8ba19b884ba838ceb4fba93a4e8c65a9059d08afcfc683d9"
+dependencies = [
+ "windows-targets 0.52.0",
+]
+
 [[package]]
 name = "windows-sys"
 version = "0.48.0"
diff --git a/Cargo.toml b/Cargo.toml
index 1c4129c..08d604d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -7,6 +7,7 @@ edition = "2021"
 
 [dependencies]
 anyhow = "1.0.75"
+chrono = { version = "0.4.31", features = ["serde"] }
 clap = { version = "4.4.2", features = ["derive"] }
 flate2 = "1.0.28"
 futures = "0.3.30"
@@ -16,7 +17,9 @@ rbx_binary = "0.7.1"
 rbx_dom_weak = "2.5.0"
 rbx_reflection_database = "0.2.7"
 rbx_xml = "0.13.1"
-reqwest = { version = "0.11.23", features = ["cookies"] }
+reqwest = { version = "0.11.23", features = ["cookies", "json"] }
+serde = { version = "1.0.194", features = ["derive"] }
+serde_json = "1.0.111"
 tokio = { version = "1.35.1", features = ["macros", "rt-multi-thread", "fs"] }
 
 [profile.release]
diff --git a/src/main.rs b/src/main.rs
index f0b00e1..3902700 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -2,6 +2,7 @@ use std::io::{Read,Seek};
 use clap::{Args,Parser,Subcommand};
 use anyhow::Result as AResult;
 use futures::StreamExt;
+use serde::Serialize;
 
 type AssetID=u64;
 type AssetIDFileMap=Vec<(AssetID,std::path::PathBuf)>;
@@ -53,6 +54,24 @@ struct PathBufList{
 	paths:Vec<std::path::PathBuf>
 }
 
+#[derive(serde::Deserialize)]
+struct VersionPage{
+	previousPageCursor:Option<String>,
+	nextPageCursor:Option<String>,
+	data:Vec<AssetVersion>,
+}
+#[derive(serde::Deserialize,serde::Serialize)]
+struct AssetVersion{
+	Id:u64,
+	assetId:AssetID,
+	assetVersionNumber:u64,
+	creatorType:String,
+	creatorTargetId:u64,
+	creatingUniverseId:Option<u64>,
+	created:chrono::DateTime<chrono::Utc>,
+	isPublished:bool,
+}
+
 #[tokio::main]
 async fn main()->AResult<()>{
 	let cli=Cli::parse();
@@ -68,18 +87,57 @@ async fn main()->AResult<()>{
 	let cookie=format!(".ROBLOSECURITY={}",match cookie_enum{
 		Cookie::Literal(s)=>s,
 		Cookie::Environment(var)=>std::env::var(var)?,
-		Cookie::File(path)=>tokio::fs::read_to_string(path).await?,
+		Cookie::File(path)=>tokio::fs::read_to_string(path).await?.trim().to_string(),
 	});
 
 	let group=match cli.group{
 		Some(group_id)=>Owner::Group(group_id),
 		None=>Owner::User,
 	};
+	{
+		let client=reqwest::Client::new();
+		let mut cursor:Option<String>=None;
+		let mut asset_list=Vec::new();
+		loop{
+			let mut url=reqwest::Url::parse("https://develop.roblox.com/v1/assets/252877716/saved-versions")?;
+			//url borrow scope
+			{
+				let mut query=url.query_pairs_mut();//borrow here
+				//query.append_pair("sortOrder","Asc");
+				//query.append_pair("limit","100");
+				//query.append_pair("count","100");
+				match &cursor{
+					Some(next_page)=>{query.append_pair("cursor",next_page);}
+					None=>(),
+				}
+			}
+			println!("url={}",url);
+			let resp=client.get(url)
+			.header("Cookie",cookie.clone())
+			.send().await?;
+			println!("resp:{:?}",resp);
+			match resp.json::<VersionPage>().await{
+				Ok(mut page)=>{
+					asset_list.append(&mut page.data);
+					if page.nextPageCursor.is_none(){
+						break;
+					}
+					cursor=page.nextPageCursor;
+				},
+				Err(e)=>panic!("error: {}",e),
+			}
+		}
+		asset_list.sort_by(|a,b|a.assetVersionNumber.cmp(&b.assetVersionNumber));
+		let mut path=std::path::PathBuf::new();
+		path.set_file_name("versions.json");
+		tokio::fs::write(path,serde_json::to_string(&asset_list)?).await?;
+	};
+	Ok(())
 
-	match cli.command{
-		Commands::Download=>download_list(cookie,vec![cli.asset_id]).await,
-		Commands::Upload=>upload_list(cookie,group,vec![cli.asset_id]).await,
-	}
+	// match cli.command{
+	// 	Commands::Download=>download_list(cookie,vec![cli.asset_id]).await,
+	// 	Commands::Upload=>upload_list(cookie,group,vec![cli.asset_id]).await,
+	// }
 }
 
 enum Owner{