diff --git a/apps/emqx/src/emqx_quic_connection.erl b/apps/emqx/src/emqx_quic_connection.erl
index e081dc5cf..b75137e05 100644
--- a/apps/emqx/src/emqx_quic_connection.erl
+++ b/apps/emqx/src/emqx_quic_connection.erl
@@ -47,13 +47,15 @@
     handle_info/2
 ]).
 
+-export_type([cb_state/0, cb_ret/0]).
+
 -type cb_state() :: #{
     %% connecion owner pid
     conn_pid := pid(),
     %% Pid of ctrl stream
     ctrl_pid := undefined | pid(),
     %% quic connecion handle
-    conn := undefined | quicer:conneciton_handle(),
+    conn := undefined | quicer:connection_handle(),
     %% Data streams that handoff from this process
     %% these streams could die/close without effecting the connecion/session.
     %@TODO type?
@@ -85,7 +87,7 @@ init(#{stream_opts := SOpts} = S) when is_list(SOpts) ->
 init(ConnOpts) when is_map(ConnOpts) ->
     {ok, init_cb_state(ConnOpts)}.
 
--spec closed(quicer:conneciton_handle(), quicer:conn_closed_props(), cb_state()) ->
+-spec closed(quicer:connection_handle(), quicer:conn_closed_props(), cb_state()) ->
     {stop, normal, cb_state()}.
 closed(_Conn, #{is_peer_acked := _} = Prop, S) ->
     ?SLOG(debug, Prop),
diff --git a/apps/emqx/src/emqx_quic_data_stream.erl b/apps/emqx/src/emqx_quic_data_stream.erl
index 254e6e2a3..48d8ddd2e 100644
--- a/apps/emqx/src/emqx_quic_data_stream.erl
+++ b/apps/emqx/src/emqx_quic_data_stream.erl
@@ -124,7 +124,7 @@ send_complete(_Stream, false, S) ->
 send_complete(_Stream, true = _IsCanceled, S) ->
     {ok, S}.
 
--spec send_shutdown_complete(stream_handle(), error_code(), cb_state()) -> cb_ret().
+-spec send_shutdown_complete(stream_handle(), IsGraceful :: boolean(), cb_state()) -> cb_ret().
 send_shutdown_complete(_Stream, _Flags, S) ->
     {ok, S}.
 
@@ -321,7 +321,7 @@ serialize_packet(Packet, Serialize) ->
 -spec init_state(
     quicer:stream_handle(),
     quicer:connection_handle(),
-    quicer:new_stream_props()
+    non_neg_integer()
 ) ->
     % @TODO
     map().