diff --git a/src/.DS_Store b/src/.DS_Store
new file mode 100644
index 0000000..a92f3a2
Binary files /dev/null and b/src/.DS_Store differ
diff --git a/src/client.rs b/src/client.rs
index 0a52011..d04fb3a 100644
--- a/src/client.rs
+++ b/src/client.rs
@@ -89,7 +89,7 @@ impl Client {
         let request = client
             .get(format!(
                 "https://forest.sendy.jp/cloud/service/file/v1/filelink/token?host_id={}&path={}",
-                self.host_id, "hello"
+                self.host_id, ""
             ))
             .bearer_auth(&self.token.read().await);
 
diff --git a/src/lib.rs b/src/lib.rs
index e19e767..d466328 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -52,20 +52,29 @@ impl RakutenDriveClient {
         fake_size: Option<u64>,
         pb: Option<indicatif::ProgressBar>,
     ) -> anyhow::Result<()> {
+        let prefix = if prefix.unwrap_or("") == "/" {
+            ""
+        } else {
+            prefix.unwrap_or("")
+        };
         let req = types::request::CheckUploadRequest {
             host_id: self.client.host_id.clone(),
-            path: prefix.unwrap_or("").to_string(),
-            upload_id: "".to_string(),
+            path: prefix.to_string(),
             file: files
                 .iter()
                 .map(|file| types::request::CheckUploadRequestFile {
                     path: file.path.clone(),
                     size: fake_size.unwrap_or(file.data.len() as u64) as i64,
+                    version_id: None,
+                    host_id: None,
+                    hash: None,
                 })
                 .collect(),
         };
 
-        println!("prefix: {:?}", prefix.unwrap_or(""));
+        println!("{:#?}", req);
+
+        // println!("prefix: {:?}", prefix.unwrap_or(""));
 
         let check_upload_res = self.client.check_upload(req).await.unwrap();
 
@@ -202,17 +211,26 @@ impl RakutenDriveClient {
         fake_size: Option<u64>,
         pb: Option<indicatif::ProgressBar>,
     ) -> anyhow::Result<()> {
+        let prefix = if prefix.unwrap_or("") == "/" {
+            ""
+        } else {
+            prefix.unwrap_or("")
+        };
         let req = types::request::CheckUploadRequest {
             host_id: self.client.host_id.clone(),
-            path: prefix.unwrap_or("").to_string(),
-            upload_id: "".to_string(),
+            path: prefix.to_string(),
             file: vec![types::request::CheckUploadRequestFile {
                 path: file.file.to_str().unwrap().to_string(),
                 size: fake_size.unwrap_or(file.file.metadata().unwrap().len() as u64) as i64,
+                hash: None,
+                host_id: None,
+                version_id: None,
             }],
         };
 
-        println!("prefix: {:?}", prefix.unwrap_or(""));
+        println!("upload from path");
+
+        // println!("prefix: {:?}", prefix.unwrap_or(""));
 
         let check_upload_res = self.client.check_upload(req).await.unwrap();
 
@@ -238,7 +256,7 @@ impl RakutenDriveClient {
         multipart_upload_from_path(
             &token_res,
             &check_upload_res.bucket,
-            &check_upload_res.file[1],
+            &check_upload_res.file[0],
             &check_upload_res.prefix,
             &check_upload_res.region,
             &check_upload_res.upload_id,
diff --git a/src/main.rs b/src/main.rs
index b48fd18..d782325 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -169,6 +169,7 @@ async fn main() -> anyhow::Result<()> {
                     return Err(anyhow::anyhow!("Prefix must end with /"));
                 }
             }
+            println!("is_dir: {}", file.is_dir());
             if file.is_dir() {
                 println!("name: {:?}", file.file_name().unwrap().to_str().unwrap());
                 println!("prefix: {:?}", prefix.as_deref());
@@ -331,6 +332,7 @@ async fn main() -> anyhow::Result<()> {
                 // println!("prefix: {:?}", file_dir);
 
                 if stream {
+                    println!("is stream true");
                     client
                         .upload_from_path(file.clone(), Some(&file_dir), fake_size, Some(pb))
                         .await
diff --git a/src/types/request.rs b/src/types/request.rs
index ffbec9c..ef600ab 100644
--- a/src/types/request.rs
+++ b/src/types/request.rs
@@ -76,7 +76,7 @@ pub struct CheckUploadRequest {
     pub file: Vec<CheckUploadRequestFile>,
     pub host_id: String,
     pub path: String,
-    pub upload_id: String,
+    // pub upload_id: String,
 }
 
 #[derive(Debug, Serialize, Deserialize)]
@@ -84,6 +84,9 @@ pub struct CheckUploadRequest {
 pub struct CheckUploadRequestFile {
     pub path: String,
     pub size: i64,
+    pub hash: Option<bool>,       // always null
+    pub version_id: Option<bool>, // always null
+    pub host_id: Option<bool>,    // always null
 }
 
 #[derive(Debug, Serialize, Deserialize)]
@@ -100,6 +103,9 @@ pub struct CompleteUploadRequest {
 pub struct CompleteUploadRequestFile {
     pub path: String,
     pub size: i64,
+    pub hash: Option<bool>,       // always null
+    pub version_id: Option<bool>, // always null
+    pub host_id: Option<bool>,    // always null
 }
 
 #[derive(Debug, Serialize, Deserialize)]
@@ -158,4 +164,5 @@ pub struct CopyFileRequestFile {
 pub struct VerifyCustomTokenRequest {
     pub return_secure_token: bool,
     pub token: String,
-}
\ No newline at end of file
+}
+
diff --git a/src/util.rs b/src/util.rs
index 0b3a33f..0048131 100644
--- a/src/util.rs
+++ b/src/util.rs
@@ -446,6 +446,7 @@ pub async fn list_files(
         thumbnail_size: 130,
         to: pagination_size,
     };
+    println!("{:#?}", req);
     let mut res = client.list_files(req).await?;
 
     files.append(&mut res.file);