diff --git a/src/types/mod.rs b/src/types/mod.rs
index f601540..5629958 100644
--- a/src/types/mod.rs
+++ b/src/types/mod.rs
@@ -10,7 +10,6 @@ pub struct BasicAuth {
 }
 
 pub use self::request::ArgumentFields;
-pub use self::request::File;
 pub use self::request::Id;
 pub(crate) use self::request::RpcRequest;
 pub use self::request::TorrentAction;
diff --git a/src/types/request.rs b/src/types/request.rs
index 6582883..4620d3a 100644
--- a/src/types/request.rs
+++ b/src/types/request.rs
@@ -146,16 +146,22 @@ pub struct TorrentAddArgs {
     pub peer_limit: Option<i64>,
     #[serde(skip_serializing_if = "Option::is_none", rename = "bandwidthPriority")]
     pub bandwidth_priority: Option<i64>,
+    /// list of indices of files to be downloaded
+    /// to ignore some files, put their indices in files_unwanted, otherwise they will still be downloaded
     #[serde(skip_serializing_if = "Option::is_none", rename = "files-wanted")]
-    pub files_wanted: Option<Vec<File>>,
+    pub files_wanted: Option<Vec<i32>>,
+    /// list of indices of files not to download
     #[serde(skip_serializing_if = "Option::is_none", rename = "files-unwanted")]
-    pub files_unwanted: Option<Vec<File>>,
+    pub files_unwanted: Option<Vec<i32>>,
+    /// list of indices of files to be downloaded with high priority
     #[serde(skip_serializing_if = "Option::is_none", rename = "priority-high")]
-    pub priority_high: Option<Vec<File>>,
+    pub priority_high: Option<Vec<i32>>,
+    /// list of indices of files to be downloaded with low priority
     #[serde(skip_serializing_if = "Option::is_none", rename = "priority-low")]
-    pub priority_low: Option<Vec<File>>,
+    pub priority_low: Option<Vec<i32>>,
+    /// list of indices of files to be downloaded with normal priority
     #[serde(skip_serializing_if = "Option::is_none", rename = "priority-normal")]
-    pub priority_normal: Option<Vec<File>>,
+    pub priority_normal: Option<Vec<i32>>,
 }
 
 impl Default for TorrentAddArgs {
@@ -177,10 +183,6 @@ impl Default for TorrentAddArgs {
     }
 }
 
-#[derive(Serialize, Debug, RustcEncodable, Clone)]
-pub struct File {
-    //todo
-}
 #[derive(Clone, IntoEnumIterator)]
 pub enum TorrentGetField {
     Id,
@@ -213,6 +215,9 @@ pub enum TorrentGetField {
     Uploadedever,
     Uploadratio,
     Webseedssendingtous,
+    Wanted,
+    Priorities,
+    Filestats
 }
 
 impl TorrentGetField {
@@ -254,6 +259,9 @@ impl TorrentGetField {
             TorrentGetField::Uploadedever => "uploadedEver",
             TorrentGetField::Uploadratio => "uploadRatio",
             TorrentGetField::Webseedssendingtous => "webseedsSendingToUs",
+            TorrentGetField::Wanted => "wanted",
+            TorrentGetField::Priorities => "priorities",
+            TorrentGetField::Filestats => "fileStats",
         }.to_string()
     }
 }
diff --git a/src/types/response.rs b/src/types/response.rs
index 6f2193d..0dfc5f2 100644
--- a/src/types/response.rs
+++ b/src/types/response.rs
@@ -76,6 +76,12 @@ pub struct Torrent {
     #[serde(rename = "uploadedEver")]
     pub uploaded_ever: Option<i64>,
     pub files: Option<Vec<File>>,
+    /// for each file in files, whether or not they will be downloaded (0 or 1)
+    pub wanted: Option<Vec<i8>>,
+    /// for each file in files, their download priority (low:-1,normal:0,high:1)
+    pub priorities: Option<Vec<i8>>,
+    #[serde(rename = "fileStats")]
+    pub file_stats: Option<Vec<FileStat>>,
 }
 
 #[derive(Deserialize, Debug, RustcEncodable)]
@@ -98,6 +104,15 @@ pub struct File {
     pub name: String,
 }
 
+#[derive(Deserialize, Debug, RustcEncodable, Clone)]
+pub struct FileStat {
+    #[serde(rename = "bytesCompleted")]
+    pub bytes_completed: i64,
+    pub wanted: bool,
+    /// low: -1, normal: 0, high: 1
+    pub priority: i8,
+}
+
 #[derive(Deserialize, Debug, RustcEncodable)]
 pub struct Nothing {}
 impl RpcResponseArgument for Nothing {}