diff --git a/src/callbacks.rs b/src/callbacks.rs
index c3c4f70..d58ced2 100644
--- a/src/callbacks.rs
+++ b/src/callbacks.rs
@@ -28,23 +28,31 @@ impl FuukaBotCallbacks {
         if room.state() != RoomState::Joined {
             return Ok(());
         }
-        let client = room.client();
-        let user_id = client.user_id().unwrap();
-        if ev.sender == user_id {
-            return Ok(());
-        }
 
-        let body = remove_plain_reply_fallback(ev.content.body()).trim();
-        if let Some(commands) = body.strip_prefix(&ctx.config.command_prefix) {
-            if let Err(e) =
-                fuuka_bot_dispatch_command(ev.clone(), room.clone(), commands, client.homeserver())
-                    .await
-            {
-                send_error_message(ev, room, e).await?;
+        tokio::spawn(async move {
+            let client = room.client();
+            let user_id = client.user_id().unwrap();
+            if ev.sender == user_id {
+                return Ok(());
+            }
+
+            let body = remove_plain_reply_fallback(ev.content.body()).trim();
+            if let Some(commands) = body.strip_prefix(&ctx.config.command_prefix) {
+                if let Err(e) = fuuka_bot_dispatch_command(
+                    ev.clone(),
+                    room.clone(),
+                    commands,
+                    client.homeserver(),
+                )
+                .await
+                {
+                    send_error_message(ev, room, e).await?;
+                }
             }
-        }
 
-        Ok(())
+            Ok(())
+        })
+        .await?
     }
 
     pub async fn on_stripped_member(ev: StrippedRoomMemberEvent, room: Room) {
diff --git a/src/dicer.rs b/src/dicer.rs
index 120321b..e82ba02 100644
--- a/src/dicer.rs
+++ b/src/dicer.rs
@@ -94,7 +94,8 @@ impl Expr {
             Self::DiceOrInt(result) => match result {
                 DiceOrInt::Dice(dice) => {
                     let Dice { count, sides } = dice;
-                    Ok((fastrand::u32(1..=sides) * count) as i32)
+                    //Ok((fastrand::u32(1..=sides) * count) as i32)
+                    Ok((0..count).fold(0, |acc, _| acc + fastrand::u32(1..=sides)) as i32)
                 }
                 DiceOrInt::Int(num) => Ok(num),
             },
diff --git a/src/message_responses.rs b/src/message_responses.rs
index 96008c5..366fabe 100644
--- a/src/message_responses.rs
+++ b/src/message_responses.rs
@@ -25,32 +25,36 @@ impl FuukaBotMessages {
             return Ok(());
         }
 
-        let body = remove_plain_reply_fallback(ev.content.body()).trim();
-        let mut splited = body.split_whitespace();
-        // If the first part of the message is pure ASCII, skip it
-        if splited.next().unwrap().is_ascii() {
-            return Ok(());
-        };
-
-        let from_sender = &ev.sender;
-        let Some(to_sender) = get_reply_target(&ev, &room).await? else {
-            return Ok(());
-        };
-
-        let Some(content) = _dispatch_jerryxiao(&room, body, from_sender, &to_sender).await? else {
-            return Ok(());
-        };
-
-        let content = content
-            .make_reply_to(
-                &ev.into_full_event(room.room_id().into()),
-                ForwardThread::Yes,
-                AddMentions::Yes,
-            )
-            .add_mentions(Mentions::with_user_ids([to_sender]));
-        room.send(content).await?;
-
-        Ok(())
+        tokio::spawn(async move {
+            let body = remove_plain_reply_fallback(ev.content.body()).trim();
+            let mut splited = body.split_whitespace();
+            // If the first part of the message is pure ASCII, skip it
+            if splited.next().unwrap().is_ascii() {
+                return Ok(());
+            };
+
+            let from_sender = &ev.sender;
+            let Some(to_sender) = get_reply_target(&ev, &room).await? else {
+                return Ok(());
+            };
+
+            let Some(content) = _dispatch_jerryxiao(&room, body, from_sender, &to_sender).await?
+            else {
+                return Ok(());
+            };
+
+            let content = content
+                .make_reply_to(
+                    &ev.into_full_event(room.room_id().into()),
+                    ForwardThread::Yes,
+                    AddMentions::Yes,
+                )
+                .add_mentions(Mentions::with_user_ids([to_sender]));
+            room.send(content).await?;
+
+            Ok(())
+        })
+        .await?
     }
 
     /// The callback handler for randomdraw.
@@ -60,18 +64,21 @@ impl FuukaBotMessages {
             return Ok(());
         }
 
-        let body = remove_plain_reply_fallback(ev.content.body()).trim();
-        let Some(content) = _dispatch_randomdraw(&ev, &room, body).await? else {
-            return Ok(());
-        };
+        tokio::spawn(async move {
+            let body = remove_plain_reply_fallback(ev.content.body()).trim();
+            let Some(content) = _dispatch_randomdraw(&ev, &room, body).await? else {
+                return Ok(());
+            };
 
-        let content = content.make_reply_to(
-            &ev.into_full_event(room.room_id().into()),
-            ForwardThread::Yes,
-            AddMentions::Yes,
-        );
-        room.send(content).await?;
-        Ok(())
+            let content = content.make_reply_to(
+                &ev.into_full_event(room.room_id().into()),
+                ForwardThread::Yes,
+                AddMentions::Yes,
+            );
+            room.send(content).await?;
+            Ok(())
+        })
+        .await?
     }
 
     /// The callback handler for dicer.
@@ -80,25 +87,23 @@ impl FuukaBotMessages {
         if room.state() != RoomState::Joined {
             return Ok(());
         }
-        let client = room.client();
-        let user_id = client.user_id().unwrap();
-        if ev.sender == user_id {
-            return Ok(());
-        }
 
-        let body = remove_plain_reply_fallback(ev.content.body()).trim();
-        let Some(content) = _dispatch_dicer(body).await? else {
-            return Ok(());
-        };
+        tokio::spawn(async move {
+            let body = remove_plain_reply_fallback(ev.content.body()).trim();
+            let Some(content) = _dispatch_dicer(body).await? else {
+                return Ok(());
+            };
 
-        let content = content.make_reply_to(
-            &ev.into_full_event(room.room_id().into()),
-            ForwardThread::Yes,
-            AddMentions::Yes,
-        );
-        room.send(content).await?;
+            let content = content.make_reply_to(
+                &ev.into_full_event(room.room_id().into()),
+                ForwardThread::Yes,
+                AddMentions::Yes,
+            );
+            room.send(content).await?;
 
-        Ok(())
+            Ok(())
+        })
+        .await?
     }
 }