diff --git a/ica-rs/src/data_struct/messages/msg_trait.rs b/ica-rs/src/data_struct/messages/msg_trait.rs
index 1efcd23..f59945b 100644
--- a/ica-rs/src/data_struct/messages/msg_trait.rs
+++ b/ica-rs/src/data_struct/messages/msg_trait.rs
@@ -87,7 +87,7 @@ impl<'de> Deserialize<'de> for Message {
 
 impl Display for Message {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        write!(f, "{}|{}|{}", self.sender_id, self.sender_name, self.content)
+        write!(f, "{}|{}|{}|{}", self.msg_id(), self.sender_id, self.sender_name, self.content)
     }
 }
 
@@ -115,8 +115,12 @@ impl Display for NewMessage {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         write!(
             f,
-            "{}|{}|{}|{}",
-            self.room_id, self.msg.sender_id, self.msg.sender_name, self.msg.content
+            "{}|{}|{}|{}|{}",
+            self.msg_id(),
+            self.room_id,
+            self.msg.sender_id,
+            self.msg.sender_name,
+            self.msg.content
         )
     }
 }
diff --git a/ica-rs/src/data_struct/mod.rs b/ica-rs/src/data_struct/mod.rs
index c9916fb..4127497 100644
--- a/ica-rs/src/data_struct/mod.rs
+++ b/ica-rs/src/data_struct/mod.rs
@@ -4,6 +4,22 @@ pub mod messages;
 pub mod all_rooms;
 pub mod online_data;
 
+/// 房间 id
+/// 群聊 < 0
+/// 私聊 > 0
 pub type RoomId = i64;
 pub type UserId = i64;
 pub type MessageId = String;
+
+pub trait RoomIdTrait {
+    fn is_room(&self) -> bool;
+    fn is_chat(&self) -> bool { !self.is_room() }
+    fn as_room_id(&self) -> RoomId;
+    fn as_chat_id(&self) -> RoomId;
+}
+
+impl RoomIdTrait for RoomId {
+    fn is_room(&self) -> bool { (*self).is_negative() }
+    fn as_room_id(&self) -> RoomId { -(*self).abs() }
+    fn as_chat_id(&self) -> RoomId { (*self).abs() }
+}
diff --git a/ica-rs/src/py/call.rs b/ica-rs/src/py/call.rs
index 0c92f07..549f089 100644
--- a/ica-rs/src/py/call.rs
+++ b/ica-rs/src/py/call.rs
@@ -8,7 +8,7 @@ use crate::data_struct::messages::NewMessage;
 use crate::data_struct::MessageId;
 use crate::py::{class, verify_plugins, PyStatus};
 
-pub fn get_func<'a>(py_module: &'a PyAny, path: &PathBuf, name: &'a str) -> Option<&'a PyAny> {
+pub fn get_func<'py>(py_module: &'py PyAny, path: &PathBuf, name: &'py str) -> Option<&'py PyAny> {
     // 要处理的情况:
     // 1. 有这个函数
     // 2. 没有这个函数
@@ -57,7 +57,7 @@ pub async fn new_message_py(message: &NewMessage, client: &Client) {
                 let args = (msg, client);
                 if let Some(py_func) = get_func(py_module.as_ref(py), &path, "on_message") {
                     if let Err(e) = py_func.call1(args) {
-                        warn!("failed to call function<on_new_message>: {:?}", e);
+                        warn!("failed to call function<on_message>: {:?}", e);
                     }
                 }
             })